Artigos de revistas: "Rice"

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Akkermans, Rebecca. "Arnold Rice Rich". Lancet Respiratory Medicine 5, n.º 2 (fevereiro de 2017): 102–3. http://dx.doi.org/10.1016/s2213-2600(17)30014-0.

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Bollich, C. N., B. D. Webb, M. A. Marchetti e J. E. Scott. "Registration of ‘Rico 1’ Rice". Crop Science 30, n.º 5 (1990): 1161. http://dx.doi.org/10.2135/cropsci1990.0011183x003000050054x.

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Lu, Tingting, Xuehui Huang, Chuanrang Zhu, Tao Huang, Qiang Zhao, Kabing Xie, Lizhong Xiong, Qifa Zhang e Bin Han. "RICD: A rice indica cDNA database resource for rice functional genomics". BMC Plant Biology 8, n.º 1 (2008): 118. http://dx.doi.org/10.1186/1471-2229-8-118.

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Gardner, Melissa (Mel), e Claudette Bañares. "Rice Rice Baby". ASHA Leader 23, n.º 2 (fevereiro de 2018): 12. http://dx.doi.org/10.1044/leader.gl.23022018.12.

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Zhang, Liuquan, Yanbin Guo, Kehong Liang, Zhongqiu Hu, Xiangdong Sun, Yong Fang, Xiaohong Mei, Hongqing Yin, Xianjin Liu e Baiyi Lu. "Determination of Selenium in Common and Selenium-Rich Rice from Different Areas in China and Assessment of Their Dietary Intake". International Journal of Environmental Research and Public Health 17, n.º 12 (26 de junho de 2020): 4596. http://dx.doi.org/10.3390/ijerph17124596.

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In this study, 41 common rice varieties and 211 selenium-rich rice varieties from ten representative areas in China were collected in 2017–2019. The selenium contents of rice were analyzed with optimized inductively coupled plasma mass spectrometry (ICP-MS). Selenium concentrations of common rice and selenium-rich rice ranges were 0.81–7.26 and 0.76–180.73 µg/100 g, respectively. The selenium contents in selenium-rich rice from different areas were significantly different (p < 0.001) while those in common rice from different areas were not. The selenium-rich rice in Harbin and Keshan showed the lowest selenium level and those from selenium-rich areas (Enshi and Ankang) were highest. Based on the estimation of the risk assessment software @risk7.0 (Palisade Corporation, New York, NY, USA), the consumption of selenium-rich rice can effectively increase dietary selenium intake for the population. However, the risk index of P95 (Percentile 95) selenium exposure at the tolerable upper intake level for children at 2–14 years old exceeded 100%, with potential risk currently. Therefore, the consumption of selenium-rich rice should be properly monitored for young children and adolescents.

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Seyfferth, Angelia L., Andrew H. Morris, Rattandeep Gill, Kelli A. Kearns, Jessica N. Mann, Michelle Paukett e Corey Leskanic. "Soil Incorporation of Silica-Rich Rice Husk Decreases Inorganic Arsenic in Rice Grain". Journal of Agricultural and Food Chemistry 64, n.º 19 (6 de maio de 2016): 3760–66. http://dx.doi.org/10.1021/acs.jafc.6b01201.

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Huang, Wei, Qingguo Xu e Ning Wu. "Effects of Selenium-Enriched Rape Returning Amount on Available Selenium Content in Paddy Soil and Selenium Accumulation in Rice". International Journal of Analytical Chemistry 2022 (17 de dezembro de 2022): 1–11. http://dx.doi.org/10.1155/2022/3101069.

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Selenium-rich rape “Selenium Ziyuan No.1” was used as green manure to study the effects of different amounts of green manure returned to the field on the release characteristics of available selenium in acidic paddy soil in southern China, and to analyze the absorption and transformation of selenium in rice, so as to provide a theoretical basis for planting natural selenium-rich rice in acidic areas of southern China. Six treatments with different amounts of selenium-enriched rapeseed returning (0, 5, 10, 15, 20, and 25 t/hm2) were set up. Two rice varieties (selenium-rich rice variety Meixiangzhan 2 and common rice variety Zhongguangxiang 1) were selected. The results showed that (1) with the increase of selenium-rich rapeseed returning amount, the available selenium in soil showed an increasing trend. Over time, soil available selenium showed a significant increasing trend, and the content of soil available selenium reached the maximum at tillering stage, and then decreased. (2) For selenium-rich varieties, when the amount of selenium-rich rapeseed returned to the field was less than 15 t/hm2, the selenium content in rice grains increased significantly with the increase of the amount of selenium-rich rapeseed returned to the field, then remained basically stable. For conventional varieties, with the increase of the amount of selenium-rich rapeseed returned to the field, the selenium content of rice grains showed an increasing trend, but the overall selenium content was much lower than that of selenium-rich variety. (3) With the increase of the amount of rapeseed returned to the field, the rice yield had an increasing trend, but the maximum rice yields appeared when the amount of selenium-rich rapeseed returned to the field was 15 t/hm2. Therefore, Se-enriched rape returning could promote the release of available selenium in soil and the enrichment of selenium in rice plants, and significantly increase the selenium content in rice. According to the selenium content and yield of rice, it is suggested that the selenium-rich rice variety Meixiangzhan 2 was chosen and the amount of Se-rich rape returning is 15 t/hm2.

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Teramoto, Yuji, Kaoru Okamoto, Seinosuke Ueda e Shoji Kayashima. "RICE WINE BREWING WITH SPROUTING RICE, SPROUTING RICE INFECTED WITHASPERGILLUS ORYZAEAND RICE KOJI". Journal of the Institute of Brewing 99, n.º 6 (12 de novembro de 1993): 467–71. http://dx.doi.org/10.1002/j.2050-0416.1993.tb01185.x.

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Wibisono, Lestiyanto. "ANALISIS KETERSEDIAAN STOK BERAS TERHADAP HARGA BERAS DI DKI JAKARTA (STUDI KASUS: PASAR INDUK BERAS CIPINANG)". Jurnal Bioindustri 4, n.º 2 (30 de maio de 2022): 149–63. http://dx.doi.org/10.31326/jbio.v4i2.1007.

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This research was about the analysis of rice stocks availability on rice prices in DKI Jakarta. This study aims to identify determinants of rice stock in DKI Jakarta and determine the effect of rice stock availability on rice prices. The results of the identification of determinants of rice stock in DKI Jakarta using multiple linear regression showed that the variable (X3p) the initial rice stock of DKI Jakarta and the variable (X4p) the rice procurement of DKI Jakarta had a significant effect on the dependent variable (Yp) DKI Jakarta's rice stock. The results of the analysis of the effect of rice stock availability on rice price at the consumer level using simple linear regression with log-difference transformations showed that the variable dlog (Xp) the rice stock availability in DKI Jakarta had no significant effect on the dependent variable dlog (Yp) the rice price at the consumer level. The results of the analysis of the effect of rice stock availability on rice price at the producer level using simple linear regression with the Yp (-1) variable and the log-difference transformation showed that the variable dlog(Yp(-1)) the rice price at the producer level at lag 1 had a significant effect on the dependent variable dlog(Yp) the rice price at the producer level.

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Bhatnagar, A. S., D. S. Prabhakar, P. K. Prasanth Kumar, R. G. Raja Rajan e A. G. Gopala Krishna. "Processing of commercial rice bran for the production of fat and nutraceutical rich rice brokens, rice germ and pure bran". LWT - Food Science and Technology 58, n.º 1 (setembro de 2014): 306–11. http://dx.doi.org/10.1016/j.lwt.2014.03.011.

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Zhang, Minghui, e Kunlun Liu. "Lipid and Protein Oxidation of Brown Rice and Selenium-Rich Brown Rice during Storage". Foods 11, n.º 23 (1 de dezembro de 2022): 3878. http://dx.doi.org/10.3390/foods11233878.

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Selenium-rich rice has become one of the effective ways to increase people’s selenium intake. Selenium-containing proteins have higher antioxidant properties, which may lead to selenium-rich brown rice (Se-BR) having better storage stability than ordinary brown rice (BR). By measuring the peroxidation value, fatty acid value, carbonyl value and protein secondary structure, it was found that Se-BR had higher oxidation resistance stability than BR. The biological function of the differential proteins (DEPs) between ordinary brown rice stored for 0 days (BR-0) and 180 days (BR-6) as well as Se-rich brown rice stored for 0 days (Se-0) and 180 days (Se-6) was investigated by using iTRAQ. A total of 237, 235, 113 and 213 DEPs were identified from group A (BR-0/BR-6), group B (Se-0/Se-6), group C (BR-0/Se-0) and group D (BR-6/Se-6), respectively. Kyoto Encyclopedia of Genes and Genomes analysis showed that the DEPs were mainly enriched in glucose metabolism, tricarboxylic acid cycle, fatty acid biosynthesis and degradation, glutathione metabolism, sulfur metabolism, peroxisome and other metabolic pathways. This study provides theoretical support for the study of protein oxidation kinetics and storage quality control of brown rice during storage.

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Astika, I. W., e F. F. Hartono. "Hydropic Rice Nursery for Rice Transplanting Using Rice Transplanters". IOP Conference Series: Earth and Environmental Science 1038, n.º 1 (1 de junho de 2022): 012016. http://dx.doi.org/10.1088/1755-1315/1038/1/012016.

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Abstract Rice nursery using dapogs requires a series of media preparation activities involving sieving the soil, mixing with organic fertilizer and rice husk charcoal, which are troublesome for the farmers. Another practical method is to grow the rice seedlings in an hydroponic system. The purpose of this research was to develop a hydroponic system to grow rice seedlings until ready for transplanting with rice tranplanters and then to transplant the seedlings with a transplanter. The seedling nursery were designed having 10 level rack with 12 trays on each level. It is designed DFT, NFT and flooding hydroponic systems. Finally flooding system, nutrient concentration rate of 2.4 mS and seed density 5 seeds/cm2 were used in the research as those treatments gave the best results. Light illumination at rack level 1-6 were significantly different from level 7 (the top layer) and consequently level 1-6 suffered from etiolation problems making the seedlings less vigor. Transplanting results showed a wide range of number of clump/hill both at “lees” and “middle” machine setting. Root zone without any soil media made a high friction force when the seedling mat sliding down to the planting fork. A slight media at the bottom of tray might be required as the slippering media.

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Edirisinghe, Jayanthi P., e Channa N. B. Bambaradeniya. "Rice Fields: an Ecosystem Rich in Biodiversity". Journal of the National Science Foundation of Sri Lanka 34, n.º 2 (28 de junho de 2006): 57. http://dx.doi.org/10.4038/jnsfsr.v34i2.2084.

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Tikapunya, Tiparat, Glen Fox, Agnelo Furtado e Robert Henry. "Grain physical characteristic of the Australian wild rices". Plant Genetic Resources 15, n.º 5 (29 de março de 2016): 409–20. http://dx.doi.org/10.1017/s1479262116000083.

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AbstractRice yield improvement is required to support increasing global rice demand. However, the limited genetic diversity within the cultivated rice gene pool may be a major obstacle. Australian wild rice which has been largely genetically isolated from cultivated rice might be a new source of genetic variation for use in improving rice production. The physical properties of Oryza australiensis and of the two perennial Australian Wild rice taxa-belonging to the A genome wild rice were evaluated. Seeds collected from rice in the wild were generally smaller than those from domesticated rice. The wild rice A genome collections were classified as extra-long paddy rice with grains that were long or medium, while O. australiensis was categorized as long paddy rice with a short grain. However, these wild rices were slender compared with domesticated rice. The grain colour of these wild rices varied from light red brown to dark brown compared with domesticated rice which is brighter, with less redness and more yellowness than the wild rice. The physical characteristics of the grains of the Australian wild rice indicate that these rice grains may be successfully processed using current rice processing techniques and may be a useful novel food especially in the coloured rice market.

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A, THANIKACHALAM, e RANGARAJAN M. "BIOCONVERSION OF RICE STRAW INTO PROTEIN RICH FEED". Madras Agricultural Journal 79, March (1992): 138–41. http://dx.doi.org/10.29321/maj.10.a01744.

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Three cellulolytic fungi were inoculated on alkali hydrolysed rice straw and untreated rice straw, Asperquillus sp. (AS.3) exhibited maximum straw conversion (80.0%) followed by Fusarium sp. (Fs.4) and Trichodermu sp. (T.3) Fungal biomass yield ranged from 82 to 1.06 g/50 ml depending upon the fungi. Crude protein content of rice straw after fermentation varied from 15.6 to 25.0% irrespective of the type of rice straw and the fungi. Soluble protein of the fermented rice straw was maximum (42.5 mg/100 ml) in Aspergillus sp. (As.3) insulated substrate. The results showed the possibility of obtaining protein enriched rice straw employing efficient cellulosic fungi.

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Peng, Bo, Kun Xu, Kun He, Juan Peng, Xia-Yu Tian, Ling Sun, Xiao-Hua Song et al. "Detection and Analysis of Mineral Elements in Giant Embryo Rice". Journal of Biotechnology Research, n.º 66 (1 de junho de 2020): 50–56. http://dx.doi.org/10.32861/jbr.66.50.56.

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Mineral elements are essential micronutrients necessary to constitute human tissue and maintain normal physiological functions. Micronutrient deficiencies are an important issue currently faced in the world. The best strategy to solve this problem is to breed special functional types of rice varieties rich in trace elements (special rice for short). A special type of rice that can produce rich nutrients. In order to explore the nutritional value of giant embryo rice, the contents of 17 mineral elements ((K, Ca, Fe, Se, Zn, Cu, Na, Mn, Mg, Ni, Cr, Co, Pb, As, Cd, Ag, Al)) in 5 kinds of giant embryo rice (white giant embryo, giant japonica-GB-12, giant japonica-GB-11 and giant japonica-GB-5, giant japonica-GB-1) were detected by inductively coupled plasma mass spectrometry. After comparison with ordinary rice, it was found that the content of the same mineral element in different samples has a large variation, suggesting that different rice varieties have different absorption, transformation and storage efficiency of the same element; different giant embryo brown rice in some mineral elements (such as Cr, Ni, Cu and Zn) are extremely low in content and almost undetectable. Meanwhile, the brown rice of giant embryo rice has a more powerful enrichment effect on some mineral elements, which means that embryo rice has a unique advantage in cultivating new rice varieties with special functions rich in minerals.

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Zainal, Nur Saadah, Zaleha Mohamad, Mohammad Sukri Mustapa, Nur Azam Badarulzaman, Mohd Idrus Masirin e Zainathul Akhmar Salim Abdul Salim. "Study of Characteristics of Rice Husk and Silica Obtained from Rice Husk". International Journal of Chemical Engineering and Applications 9, n.º 5 (outubro de 2018): 158–62. http://dx.doi.org/10.18178/ijcea.2018.9.5.718.

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Salaudeen, M. T. "Relative resistance to Rice yellow mottle virus in rice ". Plant Protection Science 50, No. 1 (27 de janeiro de 2014): 1–8. http://dx.doi.org/10.17221/61/2012-pps.

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We identified sources of Rice yellow mottle virus (RYMV) resistance in rice cultivars. Eight cultivars together with susceptible and resistant controls were evaluated under screenhouse conditions as inoculated and uninoculated treatment in completely randomised design with three replications. Seedlings were inoculated with the virus by sap transmission at two weeks after sowing. Disease incidence and severity (scale 1–9: 1–3 = green leaves with sparse dots or streaks, 9 = yellow or orange leaves and some plant dead), yield, and agronomic traits were recorded. Data analyses included Area Under the Disease Progress Curve (AUDPC), independent t-test, and Analysis of Variance. According to differences in most measured traits control cultivars FARO 29 and Gigante were proved to be the most susceptible and partially tolerant ones, respectively. Cvs FARO 12, FARO 17, FARO 37, and FARO 52 were classified as partially tolerant. Uninoculated control plants performed better than the inoculated for all the yield and agronomic parameters. Reduction in plant height (6%) and number of tillers per plant (4.8%), increased days to heading (3 days), and reduction in paddy yield (6.5%) was lowest in cv. Gigante. Paddy yield per plant of the RYMV-inoculated was the highest in cv. Gigante (2.4 g). The rice cultivars which combined RYMV-resistance with high-yield could be utilised in rice breeding programmes in order to enhance food security.

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AK, Engku, M. Norida, Juraimi AS, Rafii MY, Abdullah SNA e Alam MA. "Gene flow from Clearfield® rice to weedy rice under field conditions". Plant, Soil and Environment 62, No. 1 (6 de junho de 2016): 16–22. http://dx.doi.org/10.17221/616/2015-pse.

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Salleh, S. F., M. R. Jalani, N. Abdul Rahman e A. Baharum. "Production of Biogas from Rice Straw Using Paddy Rice Soil as Inoculant". Journal of Clean Energy Technologies 5, n.º 4 (julho de 2017): 285–88. http://dx.doi.org/10.18178/jocet.2017.5.4.384.

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Ratnayake, R. R., B. M. A. C. A. Perera, R. P. S. K. Rajapaksha, E. M. H. G. S. Ekanayake, R. K. G. K. Kumara e H. M. A. C. Gunaratne. "Soil carbon sequestration and nutrient status of tropical rice based cropping systems: Rice-Rice, Rice-Soya, Rice-Onion and Rice-Tobacco in Sri Lanka". CATENA 150 (março de 2017): 17–23. http://dx.doi.org/10.1016/j.catena.2016.11.006.

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De Silva, Ganeesha, Upul Marapana, Anton Kalubowila, Nirosh Lalantha e Thaksala Seresinhe. "Quality Changes of Burger from Vegetable, Wheat Flour, Rice Flour with Fat Emulsion during Frozen Storage". Journal of Food Science and Technology Nepal 6 (29 de junho de 2013): 65–68. http://dx.doi.org/10.3126/jfstn.v6i0.8262.

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Animal ScienceChanges in physico-chemicals, microbial and sensory quality of newly formulated veggie burgers prepared from rice flour, wheat flour with (RW5E) and without (RI0E) fat emulsion, rice flour isolated soya protein (ISP) with (RI5E) and without (RI0E) fat emulsion were periodically analyzed during frozen storage at -18°C for 90 days. Sensorial attributes were altered with fat emulsion and rice flour wheat flour addition (p<0.05). RW5E was found to be the best sample based on sensory method. Further proximate analysis revealed that RW5E had gained 51.68% moisture, 8.38% fat, 48.33% TS, 36.84% ONF and 3.1% ash after 90 days of storage and RW5E was the best option to lessen purge and increase WHC followed by others. The results of microbial, pH and peroxide value indicated that all four products were well within the recommended standards. This study indicated that the addition of RW5E to veggie burger exhibited reasonable shelf-life and acceptable in terms of nutritional value and sensory attributes. J. Food Sci. Technol. Nepal, Vol. 6 (65-68), 2010 DOI: http://dx.doi.org/10.3126/jfstn.v6i0.8262

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Lee, Hyo-Jae, Dong-Chul Kim, Oui-Woung Kim, Jae-Woong Han, Woong Kim e Hoon Kim. "Latent Heat of Water Vapor of Rough Rice, Brown Rice, White Rice and Rice Husk". Journal of Biosystems Engineering 36, n.º 4 (30 de agosto de 2011): 267–72. http://dx.doi.org/10.5307/jbe.2011.36.4.267.

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Sahu, S., M. Ghosh e D. K. Bhattacharyya. "Utilization of unsaponifiable matter from rice bran oil fatty acid distillate for preparing an antioxidant-rich oleogel and evaluation of its properties". Grasas y Aceites 71, n.º 1 (14 de janeiro de 2020): 336. http://dx.doi.org/10.3989/gya.0938182.

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Rice bran oil fatty acid distillate (RBOFAD) is an important by-product obtained from the physical refining process. This fatty acid distillate contains high a amount of Unsaponifiable Matter (γ-oryzanol 3.27 gm/100gm UM; total tocopherol 10.93 mg/100 g UM; total phytosterol 21.81 g/100g UM; squalene 1.15 g/100 g UM and total fatty alcohol 73.34 g/100 g UM) and free fatty acids. Antioxidant-rich Oleogels were obtained from rice bran wax (RBW), rice bran oil fatty acid distillate (RBOFAD) and refined rice bran oil. The main objective of this study was to utilize the antioxidant-rich unsaponifiable matter of RBOFAD (UMRBOFAD) as an organogelator along with rice bran wax, which also acts as a good organogelator. Antioxidant-rich oleogel was prepared using UMRBFAD, ethylcellulose (EC) and RBW at 2%, 2%, 3% on weight basis, respectively, in refined rice bran oil and this antioxidant-rich oleogel was compared with rice bran oil oleogel using RBW at 7% on weight basis of rice bran oil. These oleogels were evaluated using a combination of techniques such as differential scanning calorimetry (DSC), polarized light microscopy (PLM), Viscosity, synchrotron radiation X-ray diffraction (SR-XRD) and FTIR Spectroscopy. The differential scanning calorimetry (DSC) measured the thermal properties of rice bran oil oleogel and high antioxidant-rich oleogel. Polarized light microscopy images revealed needle-like crystals for RBW. SR-XRD measurements were used for clarification of the crystal structures of the building blocks of these oleogels. The antioxidant activities of oleogels were evaluated involving DPPH and ABTS assays.

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Chauhan, Mr Dinesh Kumar, e Dr Neeraj Sharma. "Phytochemical and Biological Activity of Rice Bran: A Review". International Journal of Advanced Pharmaceutical Sciences and Research 4, n.º 1 (30 de dezembro de 2023): 1–11. http://dx.doi.org/10.54105/ijapsr.a4030.124123.

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Rice is most commonly food consumed by human beings all over the world. It is easily cultivated by the various countries. Rice is an annual plant. It grows in an area with a rich supply of water. The height of rice bran depends on the depth of water. 13500 years ago, Oryza sativa was the first rice plant which is cultivated in the Yangtze River basin. Rice bran is a milling product of rice. Various study shows that rice bran consists of various phytochemical constituent. This constituent consists of vitamin E, thiamine, Niacin, and minerals, Tocotrienol, oryzanol, tocopherol, gallic acid, vanillic acid, etc and nutritional components like carbohydrates, protein, fat and dietary fiber, vitamins, andminerals, etc. rice bran useful for health and contain antioxidant property due to presence of tocopherol, tocotrinol and gama-oryzanols. Traditionally rice bran is used as a treatment for various diseases like diabetes, cancer, liver disease, heart disease, etc. It is also used as a skincare product. Due to the presence of tocopherol, Tocotrienol, and gama-oryzanols rice bran is used for the treatment of various diseases or disorders like cancer, hypertension, lowering serum cholesterol, skin-related problems, insulin sensitivity, etc. during various studies shown by various scientists that rice bran has a rich source of a nutritional constituent, medicinal value as well as neutraceutical value. Various food industries use rice bran as a neutraceutical ingredient. Rice bran is rich source of gama-oryzanol. Hence it is used to improve disease conditions. Several studies prove the biological effect of rice bran improving hypertension, diabetes, hypercholesteremia, lowering cholesterol levels, cancer, skin problems, and various diseases.

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Farooq, Muhammad Umer, Zhichen Tang, Tengda Zheng, Muhammad Ahsan Asghar, Rui Zeng, Yang Su, Hla Hla Ei et al. "Cross-Talk between Cadmium and Selenium at Elevated Cadmium Stress Determines the Fate of Selenium Uptake in Rice". Biomolecules 9, n.º 6 (24 de junho de 2019): 247. http://dx.doi.org/10.3390/biom9060247.

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Cadmium (Cd) is a well-known metal imposing threats to human health, and it can be accumulated in polished rice over the permitted range of 0.2 mg kg−1 (GB 2762-2017). It has been reported that selenium (Se) application decreases Cd uptake. Se-rich diets have gained attention recently, but the potential of Se-rich rice in mitigating Cd stress needs further investigation. In this study, a pot experiment in the field was conducted to assess the influence of environmental factors and exogenous split application of Se on the nutritional status of rice under Cd stress. The results indicated that the increased fertilizer treatment in soil bulk linearly increased the metal content in rice grains. Approximately 50–70% of metal was recovered in rice tissues, while 5–20% of the metal that was applied leached down into the soil. A Se concentration of 0.4 mg kg−1 could significantly improve the total Se content in grain and mitigate Cd toxicity (1 mg kg−1) below the permitted range. Panicles and roots were more active for total Se accumulation in Se-rich and non-Se-rich rice, respectively. Polishing and milling operations can significantly reduce the Cd content, as rice bran in rice tissues accumulated most of the metal’s residues. The late matured rice cultivars consumed more heat units, and more metal contents were found in them. Collectively, it was found that Se can mitigate Cd toxicity, but the rice cultivation at T2 (high Cd; 2 mg kg−1 and Se; 1 mg kg−1) increased the metal uptake capability and health-risk index in polished rice, with its Se content heightened over permitted range of 0.04 to 0.30 mg kg−1 (GB/T 22499-2008). However, further molecular studies are required, in order to completely access the inverted Se accumulation behavior in rice tissues at high Cd soil stress.

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Saithong, Pramuan, Wanida Tewaruth Chitisankul e Supachi Nitipan. "Comparative study of red yeast rice with high monacolin K, low citrinin concentration and pigments in white rice and brown rice". Czech Journal of Food Sciences 37, No. 1 (6 de março de 2019): 75–80. http://dx.doi.org/10.17221/474/2017-cjfs.

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Growth pigments and metabolites of monacolin K and citrinin were compared for Monascus purpureus during 14-day solid-state ermentation on white rice and brown rice (Chai-Nart cultivar). Monascus purpureus IFRPD 4046 was selected as the target strain which produced the ighesth monacolin K content and the lowest citrinin content. Optimum fermentation conditions regarding moisture content, temperature and fermentation time were determined. A comparative study showed that monacolin K production in white rice was about twice higher than in brown rice. At the optimum conditions, concentrations of monacolin K dried at 55°C to constant weight were 132.98 and 66.48 mg/100 g in white rice and brown rice, respectively while citrinin was not detected. Results revealed that the IFRPD 4046 strain has a potential to produce red yeast rice with higher monacolin K in white rice than<br />in brown rice with low citrinin content.

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Mustofa, A., C. Anam, D. Praseptiangga e Sutarno. "A comparative study on physicochemical properties of rice and starch of white rice, black rice and black glutinous rice". Food Research 8, Supplementary 2 (6 de abril de 2024): 55–65. http://dx.doi.org/10.26656/fr.2017.8(s2).566.

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Rice is a staple food for Indonesians and Asians in general. It is rich in starch, a component that can be developed as a texture agent, filler, or raw material for edible films, encapsulation, or other products. The characteristics of the starch produced will determine its functional properties. This study aimed to characterize the physicochemical properties of rice and starch of white rice, black rice, and black glutinous rice. In this study, rice was extracted using an alkaline method to obtain rice starch. The processing of rice into starch can change some of its characteristics. A comparative study was also conducted on rice starch. The results showed that the starch contents of white, black, and black glutinous rice were 85.48; 86.67; and 83.56% (db). Black glutinous rice contains more amylopectin than black and white rice. Resistant starch in the rice fractions was greater than the amount of resistant starch in the starch fractions. Black rice contained anthocyanins of 323.85 mg/100 g, while the anthocyanins in black glutinous rice reached 219.35 mg/100 g. Although in very small amounts, anthocyanins were detected in black rice and black glutinous rice starch fractions. The starch fraction has much lower antioxidant activity compared to that in the form of rice. It appears on all types of rice. The peak viscosities of the starch of white rice, black rice, and black glutinous rice were 3627, 5448, and 5001 cP with pasting temperatures of 79.10°C, 80.60°C, and 80.90°C. Physicochemical and pasting properties of the rice fraction and the starch fraction from white, black, and black glutinous rice provide complete information to be used as a basis for the manufacture of food products.

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Kaasová, J., P. Kadlec, Z. Bubník e V. Pour. "Microwave treatment of rice". Czech Journal of Food Sciences 19, No. 2 (7 de fevereiro de 2013): 62–66. http://dx.doi.org/10.17221/6577-cjfs.

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The effect of microwave treatment on wet rice was studied. Power output used was 90, 160, 350 or 500 W; final heating temperatures were 40, 60 and 80°C; initial moisture content of rice was 11, 21 or 30%. Temperature of treated sample during microwave heating was measured by means of NoEMI fiber-optic temperature system. Temperature of rice gelatinization, expressed as alkali spreading values and total starch content, was used to evaluate the influence of microwave heating on physicochemical properties of rice. Drying time reduction and the stability of total starch content during microwave treatment of rice makes it possible to recommend the combination of microwave and conventional rice drying for further use.

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Nakamura, Sumiko, Junji Katsura, Akira Suda, Yasuhiro Maruyama e Ken’ichi Ohtsubo. "Effects of Binding between Ca in Hard Water and Phosphorus in Amylopectin on the Qualities of Boiled Rice and Rice Noodle Prepared by Soaking and Boiling in Hard Water". Foods 13, n.º 13 (1 de julho de 2024): 2094. http://dx.doi.org/10.3390/foods13132094.

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Recently, global warming has led to an increase in chalky rice grains. This has consequently resulted in the deterioration in quality of rice products. Although we previously reported that hard water, rich in Ca, is useful for the quality improvement of high-temperature-damaged rice grains, the mechanism was not elucidated sufficiently. Therefore, we used various kinds of rice cultivars, from waxy to high-amylose ones, for soaking and boiling in hard water and compared physical and chemical properties of the products. It was shown that the degree of quality improvement, such as final viscosities in pasting property, and textural properties of boiled rice, was more remarkable for high-amylose rice than low-amylose rice. As we found that the phosphorus contents showed positive correlations with amylose and long chains of amylopectin, we estimate that the effects are mainly due to binding of calcium and phosphorus. Because that high-amylose or long-chain-rich amylopectin rice cultivars showed high calcium contents in rice products, these rice cultivars would be very useful to supply calcium through dietary intake via hard water cooking.

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Woolston, Chris. "Rice". Nature 514, n.º 7524 (outubro de 2014): S49. http://dx.doi.org/10.1038/514s49a.

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Dugan, Mary. "Rice". Journal of Agricultural & Food Information 16, n.º 1 (2 de janeiro de 2015): 3–10. http://dx.doi.org/10.1080/10496505.2015.985546.

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Juliano, Bienvenido O. "Rice". Journal of Plant Foods 6, n.º 3 (julho de 1985): 129–45. http://dx.doi.org/10.1080/0142968x.1985.11904307.

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Kinkley, Jeffrey C., Su Tong e Howard Goldblatt. "Rice". World Literature Today 70, n.º 2 (1996): 469. http://dx.doi.org/10.2307/40152268.

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Ghebremichael, Simki. "RICE". Capitalism Nature Socialism 21, n.º 3 (setembro de 2010): 116–17. http://dx.doi.org/10.1080/10455752.2010.507505.

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Dao, Le Hoang, e Pham Van Hung. "TOTAL PHENOLIC CONTENT, ANTIOXIDANT CAPACITY AND STARCH HYDROLYTIC ENZYME INHIBITION OF THE EXTRACTS FROM UNPOLISHED COLORED RICES". Vietnam Journal of Biotechnology 15, n.º 4 (14 de dezembro de 2018): 685–90. http://dx.doi.org/10.15625/1811-4989/15/4/13411.

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The different colors of rice are contributed by various phenolic compounds, which have various health benefits. However, phenolic compounds, which are mostly existed in rice bran and easily lost during milling. Therefore, the consumption of unpolished rice is recommended to prevent from many diseases. The objective of this study is to determine total phenolic and flavonoid contents, antioxidant capacity and diabetic enzyme inhibition potential of the extracts of the different unpolished colored rices. Three kinds of unpolished colored rices (unpolished white rice, unpolished red rice and unpolished black rice) grown in Vietnam were used to extract their bioactive compounds by alcoholic solvent extracting method. The results showed that the highest level of total phenolic content (TPC) was found in unpolished red rice (470.96 µg FAE/g db sample), while the lowest was in unpolished white rice (135.84 µg FAE/g db sample). TPC of rice in free form was considerably higher than that in the bound form. Total flavonoid content in free form was also significantly higher than bound form. Total flavonoid content in free form of unpolished black rice (126.75 µg RE/g db sample) was higher than that in the others. In the present study, unpolished red rice extract possessed the best antioxidant activity (78.79%) in most cases, and showed the strongest inhibitory potential against alpha-amylase (78.56%) and amyloglucosidase (36.13%) as well. As a result, extracts of unpolished colored rices could act like both antioxidant and enzyme inhibitors and have a potential to be used in prevention of type 2 diabetes.

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Sanagala, Raghavendrarao, e Ranjitha Kumari B.D. "Expression Analysis of miRNA 164c During Rice Regeneration in Different indica Rice Genotypes". Journal of Pure and Applied Microbiology 12, n.º 4 (30 de dezembro de 2018): 2159–64. http://dx.doi.org/10.22207/jpam.12.4.54.

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Liu, Wei, Zhen Li, Qingguo Wang, Jiaowen Pan, Pengfei Wang, Guilin Zhang, Lianqun Yang, Fangyin Yao e Wei Liu. "Genome-wide characterization of Rice Black Streaked Dwarf Virus-responsive genes in rice". SDRP Journal of Food Science & Technology 5, n.º 2 (2020): 66–82. http://dx.doi.org/10.25177/jfst.5.2.ra.615.

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Background: Rice black streaked dwarf virus (RBSDV) is an important pathogen disease in rice and gramineous planting regions all over the world. The major phenotypes of RBSDV infected rice were dwarf with dark green leaves, which generally resulted in seriously loss of yield. The RBSDV known so far is preoperatively transmitted to rice in a persistent manner by small brown planthopper (SBPH), instead of transmitting to offspring through ovary. Results: To identify RBSDV responsive genes and to explore and clarify the molecular mechanisms involved in plant-virus interaction, digital gene expression profile (DGE) analysis was performed by high-throughput sequencing using wild-type (WT) and RBSDV infected rice leaves (IRL) as materials. A total of 165,975 and 165,940 unique tags were obtained in IRL and WT libraries, respectively. In comparison with the control, 896 differentially expressed genes (DEGs) were obtained, of which 500 DEGs were up regulated and 396 DEGs were down regulated. Functional analysis showed that DEGs mainly classified into10 groups, including metabolism, stress pathogen and defense, signal transduction, Transporter, transcription and post-transcription, cell structure and division etc. To further validate reliability and authenticity of the data, 10 DEGs were randomly picked and Real-time RT-PCR was carried out, and the expression trends of 7 genes were in line with the RNA-seq results. By searching the RBSDV related miRNA database of rice, 10 targeted genes of 6 significantly changed miRNAs were also identified in these DEGs. Conclusions: The data derived from RNA-seq were valid and credible. Through this research, a series of candidate RBSDV-responsive genes were obtained, and special signal transduction and metabolism pathways were built and pulled out in rice. This study provided further insight into the molecular mechanisms during compatible and incompatible interactions between viruses and their host plants.

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Chakma, S., M. M. Rahman, P. Islam, M. A. Awal, U. K. Roy e M. R. Haq. "Arsenic in rice and rice straw". Bangladesh Veterinarian 29, n.º 1 (16 de setembro de 2012): 1–6. http://dx.doi.org/10.3329/bvet.v29i1.11883.

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Arsenic from groundwater affects people in Bangladesh via seed grains and forages. Samples of rice (Oryza sativa L) and rice straw were collected from arsenic-contaminated areas and arsenic concentration was measured using Flow Injection Hidride Generator Atomic Absorption Spectrophotometer (FI-HG-AAS) method. The concentrations in rice and rice straw were 0.235 ± 0.014 ppm (n = 48) and 1.149 ± 0.119 ppm (n = 51), respectively. Both were greater than the maximum permissible concentration in drinking water (0.05 ppm; WHO). DOI: http://dx.doi.org/10.3329/bvet.v29i1.11883 Bangl. vet. 2012. Vol. 29, No. 1, 1-6

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Yum, Hye-Yung, Kyung eun Lee, Sung youn Choi, Hea sun Yang, Myung Hyun Sohn, Kyu-Earn Kim e Sang-Il Lee. "Wild rice, hypoallergenic rice—Immunologic comparison". Allergy and Asthma Proceedings 27, n.º 4 (1 de julho de 2006): 387–92. http://dx.doi.org/10.2500/aap.2006.27.2876.

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YU, SiBin, Yin XIONG, JingHua XIAO, LiJun LUO e QiFa ZHANG. "Hybrid rice and Green Super Rice". Chinese Science Bulletin 61, n.º 35 (20 de outubro de 2016): 3797–803. http://dx.doi.org/10.1360/n972016-01092.

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Havukkala, I. "Transgenic rice and rice genome research". Field Crops Research 45, n.º 1-3 (maio de 1996): 27–35. http://dx.doi.org/10.1016/0378-4290(95)00056-9.

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KOMATSU, Sakura, Ippeita DAN e Kenjiro AOYAMA. "The effects of rice deprivation and rice stimulus on rice craving". Proceedings of the Annual Convention of the Japanese Psychological Association 74 (20 de setembro de 2010): 1AM002. http://dx.doi.org/10.4992/pacjpa.74.0_1am002.

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Park, Jiyoung, Seuk-Ki Lee, Induck Choi, Hye-Sun Choi, Namgeol Kim, Dong Sun Shin, Kwang-Ho Jeong, Chang-Hwan Park e Sea-Kwan Oh. "Quality Characteristics of Rice Wort and Rice Beer by Rice Processing". Food Engineering Progress 23, n.º 4 (30 de novembro de 2019): 290–96. http://dx.doi.org/10.13050/foodengprog.2019.23.4.290.

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Trinidad, Trinidad P., Aida C. Mallillin, Rosario S. Sagum, Dave P. Briones, Rosario R. Encabo e Bienvenido O. Juliano. "Iron absorption from brown rice/brown rice-based meal and milled rice/milled rice-based meal". International Journal of Food Sciences and Nutrition 60, n.º 8 (18 de novembro de 2009): 688–93. http://dx.doi.org/10.3109/09637480701830404.

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Apea-Bah, Franklin Brian, Xiang Li e Trust Beta. "Phenolic Composition and Antioxidant Properties of Cooked Rice Dyed with Sorghum-Leaf Bio-Colorants". Foods 10, n.º 9 (31 de agosto de 2021): 2058. http://dx.doi.org/10.3390/foods10092058.

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White rice is an important staple food globally. It is a rich source of energy but is low in dietary phenolic antioxidants. This current research aimed at providing scientific evidence for an alternative rice dish that has increased phenolic-antioxidant health-promoting potential by combining white rice with red cowpea beans and cooking with dye sorghum leaves hydrothermal extract, as a source of natural colorant. Boiled white rice and the rice–cowpea–sorghum extract dish were freeze-dried, and the free and bound phenolic compounds of raw and cooked samples were extracted. Phenolic composition, total phenolic content (TPC), and antioxidant activities (measured by 2,2-diphenyl-1-picrylhydrazyl radical scavenging capacity, Trolox equivalent antioxidant capacity, and oxygen radical absorbance capacity methods) of the raw and cooked samples were determined. Combining white rice with cowpea seeds and sorghum leaves extract significantly (p < 0.0001) increased the TPC and antioxidant activities of the rice due to the higher TPC and antioxidant activities of cowpea and sorghum leaves. Although boiling caused substantial losses of flavonoids and anthocyanins in the rice–cowpea–sorghum extract composite meal, the resulting dish had higher TPC and antioxidant activities than boiled white rice. Compositing white rice with phenolic-rich pulses can be an innovative approach to providing alternative healthy rice dishes to consumers.

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Lucca, Paola, Richard Hurrell e Ingo Potrykus. "Fighting Iron Deficiency Anemia with Iron-Rich Rice". Journal of the American College of Nutrition 21, sup3 (junho de 2002): 184S—190S. http://dx.doi.org/10.1080/07315724.2002.10719264.

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Mia, Md Mukul, Shamsun Nahar Begum, Mirza Mofazzal Islam, M. Sifate Rabbana Khanom, Manas Kanti Saha, Sharif Ar-Raffi e Lutful Hassan. "Phenotypic diversity analysis of iron rich rice landraces". Asian-Australasian Journal of Bioscience and Biotechnology 1, n.º 1 (30 de abril de 2016): 15–22. http://dx.doi.org/10.3329/aajbb.v1i1.61525.

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Anemia in human being due to iron deficiency would be solved with the intake of iron rich rice (Oryza sativa L.) grain developed by biofortification. Phenotypical study of obsolete rice germplasms containing high iron content is important. Phenotypic characters like flowering and maturity time; plant height; tillers hill‑1; grains panicle‑1; seed weight and grain yield plant‑1 were studied for 39 rice genotypes in this research. In this research, Malagoti showed early maturity (126 day), Dhar Shail showed highest filled grain panicle-1 (303), Marish Shail showed highest grain yield plant-1 (86.66g), and Karengal showed lowest filled grain panicle-1 (59.67) and lowest grain yield plant-1 (17.20g). Number of filled grains panicle-1 showed high heritability. All the yield contributing traits except panicle length and unfilled grains panicle-1 were significantly and positively correlated with grain yield plant-1 at both phenotypic and genotypic level. The highest direct effects (0.486 and 9.75) on grain yield plant-1 were found for plant height and days to maturity at phenotypic and genotypic level with residual effect 0.461 and 0.496 respectively. Finally, the obsolete genotypes with highest grain yield (Marish Shail) and early maturity (Malagoti) performance would be used as breeding materials to improve iron rich rice varieties. Asian Australas. J. Biosci. Biotechnol. 2016, 1 (1), 15-22

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Wu, Xiuxiu, Tianyi Guo, Feijun Luo e Qinlu Lin. "Brown rice: a missing nutrient-rich health food". Food Science and Human Wellness 12, n.º 5 (setembro de 2023): 1458–70. http://dx.doi.org/10.1016/j.fshw.2023.02.010.

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Mamud, A., B. Saha, SA Hossain e MTA Chowdhury. "Alleviation of arsenic accumulation in rice by applying silicon-rich rice husk residues in Bangladesh soil". Bangladesh Journal of Scientific and Industrial Research 56, n.º 3 (30 de setembro de 2021): 195–206. http://dx.doi.org/10.3329/bjsir.v56i3.55967.

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While the accumulation of arsenic in rice (Oryza sativa L.) has been highlighted as a major concern in Bangladesh, sustainable measures are critically needed to reduce the uptake of arsenic by rice plants. In the present study, a pot-experiment was conducted using a Boro rice variety (BRRI dhan-29) in two geomorphologically different soils from Holocene floodplains and Pleistocene terraces, in which silicon-rich fresh rice husk (FRH) and rice husk ash (RHA) were applied, as silicon fertilisers, in the soils at the rate of 1% (w/w) of rice residue:soil.In the Holocene floodplain soils, the application of FRH was found to decrease arsenic in grain, husk and straw by 42, 56 and 51%, respectively, whereas the soil incorporation of RHA decreased arsenic in grain, husk and straw by 26, 37.5 and 36%, respectively. In the Pleistocene terrace soils, the application of FRH reduced the grain, husk and straw arsenic by 38, 38 and 44%, respectively, whereas the RHA decreased the grain, husk and straw arsenic by 26, 30 and 29%, respectively. Fresh rice husk was found to be more effective in alleviating arsenic accumulation in rice than RHA. In both the Holocene floodplain and Pleistocene terrace soils, the grain concentrations of calcium, phosphorus, silicon, and zinc were found to be increased with the decrease of arsenic in the grain due to the use of FRH and RHA. The present study suggests that silicon-rich rice husk residue scan be used as silicon fertilisers to reduce arsenic accumulation in rice in Bangladesh. Bangladesh J. Sci. Ind. Res.56(3), 195-206, 2021

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