Bibliographies thématiques / Ocimum species

Littérature scientifique sur le sujet « Ocimum species »

Auteur : Grafiati
Publié le 18 mai 2024

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Articles de revues sur le sujet "Ocimum species"

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Saha, S., T. D. Dhar, C. Sengupta et P. Ghosh. « Biological activities of essential oils and methanol extracts of five Ocimum species against pathogenic bacteria ». Czech Journal of Food Sciences 31, No. 2 (18 avril 2013) : 195–202. http://dx.doi.org/10.17221/234/2012-cjfs.

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The essential oils and methanol extracts of Ocimum basilicum L., Ocimum kilimandscharicum Guerke, Ocimum gratissimum L, Ocimum canum Sims, and Ocimum tenuiflorum L. (green type) were examined for their potential antibacterial activities. The chemical composition of essential oils of Ocimum species was analysed by GC-MS. The inhibitory effects of essential oils and methanol extracts were studied on two Gram-positive (Bacillus subtilis, Micrococcus luteus) and five Gram-negative (Pseudomonas aeruginosa, Shigella dysenteriae, Escherichia coli, Vibrio cholera, and Shigella flexneri) bacteria using disc-diffusion method. Minimum inhibitory concentration (MIC) was assessed by micro broth dilution method. The antibacterial test results showed that the essential oils of Ocimum basilicum L., Ocimum kilimandscharicum Guerke, and Ocimum gratissimum L. strongly inhibited the growth of all of the microorganisms studied, especially of the Gram-negative strains, whereas other two essential oils showed moderate activities. The result may suggest that the essential oils of Ocimum possess compounds with antibacterial activities, and therefore could be used as natural preservative ingredients in food and/or pharmaceutical industries.  
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Ramaiah, Maddi, Amani Prathi, Bhavitha Singam, Gayathri Tulluru et Lohitha Tummala. « A REVIEW ON OCIMUM SPECIES : OCIMUM AMERICANUM L., OCIMUM BASILICUM L., OCIMUM GRATISSIMUM L. AND OCIMUM TENUIFLORUM L ». International Journal of Research in Ayurveda and Pharmacy 10, no 3 (14 août 2019) : 41–48. http://dx.doi.org/10.7897/2277-4343.100359.

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Nagbanshi, Durgesh, et Akshya Kumar Mishra. « Variation of Chlorophyll Content Among the Different Tulsi Species Found in Nuapada District, Odisha ». Journal for Research in Applied Sciences and Biotechnology 3, no 2 (1 avril 2024) : 17–19. http://dx.doi.org/10.55544/jrasb.3.2.5.

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The Tulsi plant, also known as Holy Basil, is a sacred herb in Hinduism and is revered for its medicinal properties as well. It belongs to the Lamiaceae (mint) family and is native to the Indian subcontinent. Tulsi is widely cultivated and is found in many Hindu households where it is worshipped daily. In this work there was an attempt to made to find out chlorophyll content of different Tulsi species found in Nuapada district, Odisha. In this work we were compare chlorophyll pigment of 4 different species of tulsi of Nuapda such as Ocimum tenuiflorum (black tulshi), Ocimum sanctum (green tulshi), Ocimum basilcum (dohna) and Ocimum gratissuma (van tulshi). Among them maximum total chlorophyll content found in Ocimum tenuifflorum And list in Ocimum sanctum. The chlorophyll a found maximum in Ocimum basilcum. And minimum in Ocimum gratissuma.The chlorophyll b found maximum in Ocimum basilcum and minimum in Ocimum tenuiflorum. The total chlorophyll found Ocimum gratissum and minimum in Ocimum sanctum. Such type of work provides us data regarding distribution of chlorophyll in different species of a genera.
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Bhattacharya, Aniket, Ashok Aggarwal, Navnita Sharma et Jagbeer Cheema. « Evaluation of some anti-oxidative constituents of three species of Ocimum ». International Journal of Life Sciences 8, no 5 (8 janvier 2015) : 14–17. http://dx.doi.org/10.3126/ijls.v8i5.11858.

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The use herbal medicines for combating with several kinds of health hazards has been traditionally practiced by different human societies since long past. Among the plants known for their therapeutic value, the genus Ocimum, commonly known as ‘Basil’ is very important for its curative potential. In traditional Ayurvedic system mainly the leaves and the seeds of different species of ‘Basil’ were recommended for household remedies from several diseases. Three different species of Ocimum (Ocimum sanctum L., Ocimum basilicum L. and Ocimum canum Sims.) were grown under laboratory condition for analyzing some of their antioxidative constituents using standard methods. The results revealed that the leaf extract of Ocimum canum had the highest amount of carotenoids, phenolics, and flavonoid content than the other two species. Riboflavin and thiamine content also much higher in Ocimum canum, whereas Ocimum sanctum contained highest amount of ascorbic acid. The results obtained in this effort clearly indicate that, the leaves of these three species of ‘Basil’ have strong antioxidative potential, and surely can be used as a cheap source of natural antioxidants.DOI: http://dx.doi.org/10.3126/ijls.v8i5.11858
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Rai, Abhishek Kumar, Samreen Khan, Akhilesh Kumar, Basant Kumar Dubey, R. K. Lal, Ashutosh Tiwari, Prabodh Kumar Trivedi, Christopher T. Elliott et Ratnasekhar Ch. « Comprehensive Metabolomic Fingerprinting Combined with Chemometrics Identifies Species- and Variety-Specific Variation of Medicinal Herbs : An Ocimum Study ». Metabolites 13, no 1 (13 janvier 2023) : 122. http://dx.doi.org/10.3390/metabo13010122.

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Identification of plant species is a crucial process in natural products. Ocimum, often referred to as the queen of herbs, is one of the most versatile and globally used medicinal herbs for various health benefits due to it having a wide variety of pharmacological activities. Despite there being significant global demand for this medicinal herb, rapid and comprehensive metabolomic fingerprinting approaches for species- and variety-specific classification are limited. In this study, metabolomic fingerprinting of five Ocimum species (Ocimum basilicum L., Ocimum sanctum L., Ocimum africanum Lour., Ocimum kilimandscharicum Gurke., and Hybrid Tulsi) and their varieties was performed using LC-MS, GC-MS, and the rapid fingerprinting approach FT-NIR combined with chemometrics. The aim was to distinguish the species- and variety-specific variation with a view toward developing a quality assessment of Ocimum species. Discrimination of species and varieties was achieved using principal component analysis (PCA), partial least squares discriminate analysis (PLS-DA), data-driven soft independent modelling of class analogy (DD-SIMCA), random forest, and K-nearest neighbours with specificity of 98% and sensitivity of 99%. Phenolics and flavonoids were found to be major contributing markers for species-specific variation. The present study established comprehensive metabolomic fingerprinting consisting of rapid screening and confirmatory approaches as a highly efficient means to identify the species and variety of Ocimum, being able to be applied for the quality assessment of other natural medicinal herbs.
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SWANEPOEL, WESSEL, et ERNST J. VAN JAARSVELD. « Ocimum sebrabergensis (Lamiaceae), a new species from Namibia ». Phytotaxa 405, no 4 (6 juin 2019) : 203. http://dx.doi.org/10.11646/phytotaxa.405.4.4.

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Ocimum sebrabergensis, here described as new species, has a restricted range and is only known from the Zebra Mountains within the Kaokoveld Centre of Endemism, northwestern Namibia. These shrubs grow on clayey soil among greyish black rocks of anorthosite. Diagnostic characters for O. sebrabergensis include the mauve-coloured corolla with four orbicular lobes on the posterior lip and the calyx which has the lateral lobes of the anterior lip asymmetric lanceolate. Ocimum sebrabergensis is placed in Ocimum subg. Ocimum sect. Hiantia subsect. Hiantia ser. Serpyllifolium. A comparison of some of the more prominent morphological features to differentiate between O. sebrabergensis and its possible nearest relatives, O. burchellianum and O. fimbriatum, are provided. Based on IUCN Red List categories and criteria, a conservation assessment of Vulnerable (VU D1) is recommended for the new species.
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Homa, Kathryn, William P. Barney, Daniel L. Ward, Christian A. Wyenandt et James E. Simon. « Morphological Characteristics and Susceptibility of Basil Species and Cultivars to Peronospora belbahrii ». HortScience 51, no 11 (novembre 2016) : 1389–96. http://dx.doi.org/10.21273/hortsci09778-16.

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Sweet basil (Ocimum basilicum) is the most economically important culinary herb in the United States. In 2007, a new disease, basil downy mildew (BDM), caused by the oomycete pathogen Peronospora belbahrii, was introduced into the United States and has since caused significant losses in commercial basil production. Although no commercial sweet basils available are resistant to P. belbahrii, other species of Ocimum have exhibited potential tolerance, resistance, or both. The objectives of this work were to determine if leaf morphological characteristics including stomata density and leaf curvature correlated with infection of plants by P. belbahrii, and thus could be used as selected characters in plant breeding. In 2011, 20 Ocimum cultivars including sweet (O. basilicum), cinnamon (O. basilicum), clove (O. basilicum), citrus (Ocimum ×africanum syn. Ocimum citriodorum), spice (Ocimum americanum syn. Ocimum canum), and holy basils (Ocimum tenuiflorum syn. Ocimum sanctum) were evaluated for susceptibility to downy mildew. Sweet basils were determined to be the most susceptible; cinnamon, clove, and Thai types were moderately susceptible; and citrus, spice, and holy types were least susceptible to downy mildew. Using those same 20 Ocimum species and cultivars, stomata length and density and leaf curvature were measured and correlated with downy mildew incidence and severity. In general, basil species with higher stomatal densities had higher downy mildew incidence and severity. High stomatal densities were mainly found in the sweet, cinnamon, and clove basils. Citrus and spice species with longer stomatal lengths generally exhibited lower downy mildew incidence. Holy basil, the least susceptible of all Ocimum sp. to P. belbahrii evaluated in this study, had the greatest stomatal density and shortest stomatal length. Some sweet basil cultivars with the highest downy mildew incidence also had the greatest downward leaf curvature, whereas other sweet basil cultivars with moderate downy mildew incidence had leaves that were nearly flat or curved upward. Holy, citrus, and spice basils with low downy mildew incidence had leaves that were nearly flat or curved upward. This study suggests that leaf curvature and stomatal density and length affect downy mildew development and sporulation. Considerations of these leaf morphological characteristics may be useful phenotypic traits in breeding for downy mildew resistance in Ocimum.
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Du, Pengmeng, Honglun Yuan, Yayu Chen, Haihong Zhou, Youjin Zhang, Menglan Huang, Yiding Jiangfang et al. « Identification of Key Aromatic Compounds in Basil (Ocimum L.) Using Sensory Evaluation, Metabolomics and Volatilomics Analysis ». Metabolites 13, no 1 (4 janvier 2023) : 85. http://dx.doi.org/10.3390/metabo13010085.

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Basil (Ocimum L.) is widely used as a flavor ingredient, however research on basil flavor is limited. In the current study, nine basil species were selected, including Ocimum basilicum L.var. pilosum (Willd.) Benth., Ocimum sanctum, Ocimum basilicum cinnamon, Ocimum gratissimum var. suave, Ocimum tashiroi, Ocimum basilicum, Ocimum americanum, Ocimum basilicum ct linalool, and Ocimum basilicum var. basilicum, and their fragrance and flavor characteristics were assessed by sensory evaluation. The results indicated that Ocimum basilicum var. basilicum and Ocimum gratissimum var. suave have a strong clove smell and exhibited a piquant taste. Metabolomics and volatilomics analyses measured 100 nonvolatile metabolites and 134 volatiles. Differential analysis showed that eugenol, γ-terpinene, germacrene D and malic acid were among the most varied metabolites in basil species. Combined with sensory evaluation results, correlation analysis revealed that β-pinene and γ-cadinene contributed to the piquant smell, while eugenol and germacrene D contributed to the clove smell, and malic acid and L-(−)-arabitol contributed to the sweet flavor in basil. This study provided comprehensive flavor chemistry profiles of basil species and could be used as a guide for basil flavor improvement. The better understanding of objective sensory attributes and chemical composition of fresh basil could introduce the improved cultivars with preponderant traits, which is also in accordance with the various demands of breeders and growers, food producers, and consumers.
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Vieira, Roberto F., James E. Simon, Peter Goldsbrough et Antonio Figueira. « Genetic Diversity of Basil (Ocimum spp. - Lamiaceae) Based on RAPD Markers and Volatile Oil Constituents ». HortScience 33, no 3 (juin 1998) : 492f—493. http://dx.doi.org/10.21273/hortsci.33.3.492f.

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Essential oils extracted from basil (Ocimum spp.) by steam distillation are used to flavor foods, oral products, in fragrances, and in traditional medicines. The genus Ocimum contains around 30 species native to the tropics and subtropics, with some species naturalized and/or cultivated in temperate areas. Interand intraspecific hybridization have created significant confusion in the botanical systematics of this genus. Taxonomy of basil (O. basilicum) is also complicated by the existence of numerous varieties, cultivars, and chemotypes within the species that do not differ significantly in morphology. In this study we are using RAPD markers and volatile oil composition to characterize the genetic diversity among the most economically important Ocimum species. We hypothesize that the genetic similarity revealed by molecular markers will more accurately reflect the morphological and chemical differences in Ocimum than essential oil composition per se. Preliminary research using five Ocimum species, four undetermined species, and eight varieties of O. basilicum (a total of 19 accessions) generated 107 polymorphic fragments amplified with 19 primers. RAPDs are able to discriminate between Ocimum species, but show a high degree of similarity between O. basilicum varieties. The genetic distance between nine species and among 55 accessions within the species O. americanum, O. basilicum, O. campechianum, O. × citriodorum, O. gratissimum, O. kilimandscharium, O. minimum, O. selloi, and O. tenuiflorum will be analyzed by matrix of similarity and compared to the volatile oil profile. This research will for the first time apply molecular markers to characterize the genetic diversity of Ocimum associate with volatile oil constituent.
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Agarwal, Chhaya, N. L. Sharma et S. S. Gaurav. « Anti epileptic activity of ocimum species : A brief review ». International Journal of Applied Sciences and Biotechnology 1, no 4 (21 décembre 2013) : 180–83. http://dx.doi.org/10.3126/ijasbt.v1i4.9168.

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The Ocimum species is a medicinal herb used in the indigenous system of medicine. Ocimum sp. have variety of biological, pharmacological properties such as antibacterial, antiviral, antifungal, antimalarial, anthelmentic, antidiarrhoeal, antiinflammatory, antihypertensive, cardioprotective, central nervous system (CNS) depressant, antidiabetic, antithyroidic, antioxidant, anticancer, chemopreventive, radioprotective, immunomodulatory, antifertility, antiulcer, antiarthritic, antistress, antileucodermal and anticoagulant activities. Sevral species of Ocimum are used to cure central nervous system (CNS) disorders.in various part of the world due to its anticonvulsant property .epilepsy is a chronic disorder which is characterized by seizures. Seizures are resistant to treatment with currently available anticonvulsant drug (AEDs) in about one out of three patient with epilepsy. This review refers to the study of ocimum as an antiepileptic drug (AEDs) because of its specific anticonvulsant property.DOI: http://dx.doi.org/10.3126/ijasbt.v1i4.9168 Int J Appl Sci Biotechnol, Vol. 1(4): 180-183
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Thèses sur le sujet "Ocimum species"

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Chowdhury, Tanmay. « Ethnobotany of Dakshin Dinajpur district with special reference to diversity and conservation of ocimum species ». Thesis, University of North Bengal, 2017. http://ir.nbu.ac.in/hdl.handle.net/123456789/2571.

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Bhamra, Sukvinder. « Investigating the use and identity of traditional herbal remedies amongst South Asian communities using surveys and biomolecular techniques ». Thesis, De Montfort University, 2016. http://hdl.handle.net/2086/12392.

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Herbal medicines (HMs) have been used to supplement, maintain, and treat health conditions, and have inspired the development of many Western pharmaceuticals. Migrant South Asian (SA) communities in the UK have brought with them their own traditional forms of medicine, yet little is known about their current use of HMs in the UK. Consuming HMs alongside conventional Western medicines could affect pharmacological treatment and lead to herb-drug interactions; hence, healthcare professionals (HCPs) should be aware of their patients’ use of HMs. The import of HMs to the UK raises concerns over the quality, safety and regulation of HMs. Deoxyribonucleic acid (DNA) barcoding can be used to discriminate between different species, and identify contaminants and adulterants, thus can be used for the authentication of HMs. The South Asian Traditional Medicines (SATMED) questionnaire explored the knowledge and use of HMs by diasporic SA communities in the UK. It uncovered a vast range of HMs which were used by participants, where ingredients were sourced from, the concurrent use of herbal and Western medicines, and how minor ailments were treated. An online survey designed to investigate UK based practitioners’ views of HMs revealed that HCPs claimed to lack sufficient knowledge of HMs. HCPs said they needed more training on HMs to help them make better informed decisions. Tulsi (Ocimum tenuiflorum L.) was identified as a culturally and commercially valuable plant, which was used for molecular analysis. A variety of tulsi samples were collected for authentication: community samples from SA families in the UK, commercial samples, and referenced specimens. Both ITS and trnH-psbA regions were successfully used to distinguish between several Ocimum species, and identify a potential species substitution. This research represents the first time that DNA based methods have been used to authenticate medicinal plants species used by migrant SA communities living in the UK. The results of this multi-disciplinary study provide a unique contribution to the evolving discipline of ethnopharmacology.
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Malapermal, Veshara. « In vitro antidiabetic and antimicrobial properties of Ocimum species (Ocimum basilicum and Ocimum sanctum) (L.) ». Thesis, 2016. http://hdl.handle.net/10321/1534.

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Submitted in fulfillment of the requirements of the degree of Master in Technology, Department of Biomedical Technology and Clinical Technology, Durban University of Technology, Durban, South Africa, 2016.
Introduction In Africa, use of phytotherapy for treatment of diabetes mellitus is a common form of practice. Considering the increasing burden of non-communicable diseases in South Africa efforts are directed at simple, cost effective, non-hazardous and efficient methods to treat cancer, cardiovascular diseases and diabetes. The role of phytonanotherapy is an attractive proposition for advancing new therapies. Metal nanoparticles are a possible means for delivery of such therapies. However, this requires investigation on interactions, mechanisms and therapeutic efficacy upon co-administering ethnobotanicals with metal nanoparticles and existing drug therapy in human beings. Aim The primary aim of the study was to test the in vitro antidiabetic and antibacterial activity of Ocimum sanctum (leaf extracts and flower extracts), Ocimum basilicum (leaf extracts and flower extracts), and a combination of the leaf extracts of both, and to observe whether any antidiabetic and antibacterial activity was enhanced in due to phyto-synthesised bimetallic gold-silver (Au-Ag) nanoparticles and silver nanoparticles. Methods Aqueous and ethanol extracts of O. sanctum and O. basilicum leaf and flowers alone and combined (leaf + flower) were prepared using hot vs cold water extraction techniques and 60% and 70% ethanol as polar solvents. A simple, rapid, cost effective and reproducible green chemistry method synthesised alloyed bimetallic (Au-Ag) nanoparticles using O. basilicum leaf and flower aqueous extracts and prepared silver nanoparticles (AgNps) using O. basilicum and O. sanctum leaf aqueous extracts singly and in combination (O. sanctum + O. basilicum). The size, shape and elemental analysis of the nanoparticles was carried out using UV-Visible spectroscopy, transmission electron microscopy (TEM), scanning electron microscopy coupled with energy-dispersive X-ray (SEM-EDX), dynamic light scattering (DLS) and zeta potential. Fourier transform infrared spectroscopy (FT-IR) supported by gas chromatography mass spectroscopy (GC-MS) identified the bio-capping agents. Antidiabetic carbohydrate metabolising enzymes, α-amylase (porcine) and Bacillus stearothermophilus α-glucosidase as models tested the in vitro inhibitory potential of the aqueous and ethanol plant extracts and the phyto-synthesised (Au-Ag) bimetallic and AgNps. In addition, the study investigated the antibacterial potential for the aqueous plant preparations and their respective phyto-synthesised bimetallic and AgNps against the bacterial species Staphylococcus aureus, Escherichia coli, Bacillus subtilis, Salmonella species and Pseudomonas aeruginosa compared to gentamycin and vancomycin. Results Bimetallic nanoparticles (synthesised from leaf and flower aqueous extracts) displayed inhibitory activity that showed uncompetitive inhibition (leaf extract), and non-competitive inhibition (flower extract) of α-amylase and competitive (leaf extract) and uncompetitive inhibition (flower extract) of α-glucosidase. Bimetallic nanoparticles were higher in inhibitory activity than acarbose and the crude O. basilicum ethanol and aqueous leaf and flower extracts. In the antibacterial analysis, bimetallic nanoparticles derived from O. basilicum leaf showed inhibition against Staphylococcus aureus, Escherichia coli, Bacillus subtilis and Pseudomonas aeruginosa and were greater in activity compared to the crude aqueous leaf extract from O. basilicum. The in vitro inhibitory effect of AgNps derived from O. sanctum and AgNps derived from O. basilicum on both enzymes was higher in activity than acarbose and their respective crude extracts. However, in combination (O. sanctum + O. basilicum), the derived AgNps appeared to be a less potent inhibitor of α-amylase and α-glucosidase enzyme and was lower than acarbose. AgNps synthesised from the combination of O. sanctum and O. basilicum showed the highest percentage inhibition against Bacillus stearothermophilus α-glucosidase, and AgNps derived from O. sanctum and AgNps derived from O. basilicum displayed competitive type of inhibition. In the antibacterial analysis, AgNps derived from the various extracts showed zones of inhibition against the Gram negative and Gram positive bacterial test strains. However, AgNps synthesised from the O. sanctum leaf extract showed higher inhibition against Escherichia coli than the positive control gentamycin and higher inhibition against Staphylococcus aureus compared to vancomycin. In addition, AgNps from O. sanctum leaf extract displayed inhibition against Bacillus subtilis, Pseudomonas aeruginosa and Salmonella species, thus representing the highest antibacterial potential. Conclusion The results demonstrate the possibility of synthesis of stable silver and bimetallic nanoparticles of Ocimum sp. The synthesised silver nanoparticles and first time synthesis of bimetallic (Au-Ag) nanoparticles displayed enhanced antihyperglycaemic properties compared to their respective crude extracts and, therefore, show promising effects in lowering postprandial hyperglycaemia in diabetic patients with dual potential for antibacterial treatment. However, the antidiabetic and antibacterial effect will need to be further affirmed in a clinical context. Medicinal plants with therapeutic value may create a new platform for further research to explore the potential for herbal medicine and nanoscience as effective biomedical and industrial applications, and for improving existing drug delivery systems in diabetic patients. Investigations into the cytotoxicity of these extracts and phytosynthesised nanoparticles is recommended.
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Sarvaiya, Sushil R. « Studies on hypertension with special references to hypotensive effect of ocimum sanctum ». Thesis, 1986. http://hdl.handle.net/2009/5067.

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Chapitres de livres sur le sujet "Ocimum species"

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Pant, Aakanksha, et Rakesh Pandey. « Ocimum Species : A Longevity Elixir ». Dans The Ocimum Genome, 9–24. Cham : Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-97430-9_2.

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Kumari, Mamta, Archana Prasad, Laiq-Ur-Rahman, Ajay Kumar Mathur et Archana Mathur. « Strategies for Conservation and Production of Bioactive Phytoconstituents in Commercially Important Ocimum Species : A Review ». Dans Plants for Immunity and Conservation Strategies, 57–85. Singapore : Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-2824-8_4.

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Sarkar, Biswatrish, Manish Kumar et Kunal Mukhopadhyay. « A Rapid Method for Detection and Characterization of Anthocyanins from Hibiscus, Ocimum and Syzygium Species and Evaluation of Their Antioxidant Potential ». Dans Applications of Biotechnology for Sustainable Development, 129–37. Singapore : Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-5538-6_16.

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Kumar, Brijesh, Vikas Bajpai, Surabhi Tiwari et Renu Pandey. « Rapid Screening of Phytochemicals in Ocimum Species ». Dans Phytochemistry of Plants of Genus Ocimum, 19–41. CRC Press, 2020. http://dx.doi.org/10.1201/9781003014850-2.

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John, Sareen Sarah, et Aiswarya P. Hariharan. « MOLECULAR CHARACTERIZATION AND DETERMINATION OF THE ANTIBACTERIAL ACTIVITY OF BACTERIAL ENDOPHYTES FROM OCIMUM SANCTUM LINN. (LAMIACEAE) ». Dans Recent Trends in Endophyte Research, 221–31. Iterative International Publishers, Selfypage Developers Pvt Ltd, 2024. http://dx.doi.org/10.58532/nbennurch275.

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Endophytic microorganisms of medicinal plants have gained great importance, and new evidence points to their significant ecological and biotechnological importance. Endophytes are indeed a group of organisms, such as fungi, bacteria, or actinomycete, which live in plant tissues. Although many endophytes have mutually beneficial relationships with plants, not all endophytes are symbiotic. Some endophytes can damage plants under certain conditions and cause more harm instead of providing benefits. Antimicrobial activity is attributed to the presence of endophytes in the plant. This study focuses on the isolation, characterization, and screening of endophytes associated with Ocimum sanctum leaves and stem. The aim is to evaluate the antibacterial properties of the endophytic bacteria. Genomic DNA extraction, PCR analysis, and sequence analysis were performed to characterize the molecular features of the isolated endophytes. Research results confirm the use of Ocimum sanctum against pathogenic microorganisms. It also highlights the importance of isolating and identifying antimicrobials from endophytic bacteria as a valuable approach in the search for new natural products. A total of 30 endophytic species were isolated from the leaves and stem of Ocimum sanctum and screened for their antimicrobial activity using antibiotic discs containing Thrombomycin, Chloramphenicol, and Streptomycin. Additionally it was also determined that these species produce enzymes such as cellulase, amylase, pectinase, and protease. Overall, this study demonstrates the potential of endophytic bacteria associated with aromatic shrubs such as Ocimum sanctum. Its use as a source of antimicrobial emphasizes the importance of further research in this area
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Kumar, Brijesh, Vikas Bajpai, Surabhi Tiwari et Renu Pandey. « Quantitation of Bioactive Phytochemicals in Ocimum Species and Its Marketed Herbal Formulations Using UHPLC-MS ». Dans Phytochemistry of Plants of Genus Ocimum, 43–62. CRC Press, 2020. http://dx.doi.org/10.1201/9781003014850-3.

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Alam, Mr Firoz, et Ms Shelly Raghav. « A COMPREHENSIVE REVIEW OF MICROSCOPICAL CHARACTERS OF TRANSVERSE SECTION (TS) OF OCIMUM SANCTUM STEM ». Dans MICROSCOPICAL EVALUATION OF MEDICINAL PLANTS. KAAV PUBLICATIONS, 2023. http://dx.doi.org/10.52458/9788196830014.2023.eb.ch-18.

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The rich medicinal plant heritage of India, contributing to 80 percent of materials in Indian medicine systems, underscores the integral role of plants in various healthcare traditions. Over centuries, diverse plant species have been pivotal in treating human diseases within different medicinal systems and local health practices. One such enduring medicinal resource is Tulsi, scientifically identified as Ocimum sanctum Linn. Gurke, renowned for its versatile healing properties. Embedded in Ayurveda for millennia, Tulsi, often revered as the 'incomparable one,' holds a sacred and esteemed position among the multitude of healing herbs in India. While morphological and anatomical characteristics are vital for crude drug standardization, the lack of comprehensive documentation of medicinal plants from the Ocimum spp. often results in the misrepresentation of adulterants as genuine drugs. Addressing this gap, the present investigation focuses on Ocimum sanctum, specifically selected for standardization owing to its profound medicinal importance.
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Chaudhary, Priyanka, Shivika Sharma et Vikas Sharma. « Exploring Plant Tissue Culture in Ocimum basilicum L. » Dans In Vitro Propagation and Secondary Metabolite Production from Medicinal Plants : Current Trends (Part 2), 180–95. BENTHAM SCIENCE PUBLISHERS, 2024. http://dx.doi.org/10.2174/9789815196351124010009.

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Ocimum basilicum is a well-known, economically important therapeutic plant that belongs to the family Lamiaceae. Basil is marvelous in the environment as the complete plant has been used as a conventional remedy for domestic therapy against numerous illnesses since ancient times. O. basilicum exhibited interesting biological effects due to the presence of several bioactives such as eugenol, methyl eugenol, cineone and anthocyanins. O. basilicum possesses antimicrobial, antiinflammatory, hepatoprotective, hypoglycemic, immunomodulator, antiulcerogenic, antioxidant, chemomodulatory and larvicidal activities. The oil of this plant has been found to be valuable for the cure of wasp stings, snakebites, mental fatigue, and cold. The demand of this multipurpose medicinal plant is growing day by day due to its economic importance, pharmacological properties and its numerous uses in cooking and folk medicine. Thus seeing the exciting biological activities of O. basilicum, micropropagation could be a fascinating substitute for the production of this medicinal plant because numerous plantlets can be achieved in fewer times with the assurance of genetic stability. An overview of the current study showed the use of the plant tissue culture technique for micropropagation, which is very beneficial for duplicating and moderating the species, which are problematic to regenerate by conventional methods and save them from extinction. 
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Actes de conférences sur le sujet "Ocimum species"

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Dunca, Simona, Lacramioara Oprica, Ira-Adeline Simionov, Alina Antache, Aurelia Nica, Marius-Nicusor Grigore, Anca Miron, Diana Costin, Razvan Magean et Stefan-Mihai Petrea. « Antibacterial Activity of Ocimum basilicum L. Extracts Grown in Aquaponic Conditions Against Gram-positive and Gram-negative Species ». Dans 2022 E-Health and Bioengineering Conference (EHB). IEEE, 2022. http://dx.doi.org/10.1109/ehb55594.2022.9991296.

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Rapports d'organisations sur le sujet "Ocimum species"

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Belanger, Faith, Nativ Dudai et Nurit Katzir. Genetic Linkage Mapping of Basil (Ocimum basilicum). United States Department of Agriculture, mars 2010. http://dx.doi.org/10.32747/2010.7593385.bard.

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The ultimate goal of this project is to develop a genetic linkage map of basil (Ocimumbasilicum). We received 1 year of funding from BARD to conduct a feasibility study. Below is a summary of our study. During this year we evaluated the cultivars ‘Perrie’ and ‘Cardinal’ for DNA sequence polymorphisms using AFLPs and gene-based markers. We evaluated an F2 population for variation in production of volatile compounds. We also determined the nuclear DNA content of 8 species of Ocimum. All of this information will be useful in the future for genetic linkage mapping of basil.
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