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Academic literature on the topic 'Odoriferous compounds'

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Published: 4 June 2021
Last updated: 21 February 2023

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Journal articles on the topic "Odoriferous compounds"

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Oigman, Silvia Siag, Yasmin Fróes de Miranda Fernandes, Dany Teles, Lenize Fernandes Maia, Rosângela de Almeida Epifanio, and Claudia Moraes Rezende. "Brazilian gorgonians: a source of odoriferous compounds?" Revista Brasileira de Farmacognosia 25, no. 6 (November 2015): 612–18. http://dx.doi.org/10.1016/j.bjp.2015.08.004.

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Hasegawa, Yoshihiro, Masayuki Yabuki, and Masamoto Matsukane. "Identification of New Odoriferous Compounds in Human Axillary Sweat." Chemistry & Biodiversity 1, no. 12 (December 2004): 2042–50. http://dx.doi.org/10.1002/cbdv.200490157.

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Hanssen, H. P., and W. R. Abraham. "Odoriferous compounds from liquid cultures ofGloeophyllum odoratum andLentinellus cochleatus (basidiomycotina)." Flavour and Fragrance Journal 2, no. 4 (October 1987): 171–74. http://dx.doi.org/10.1002/ffj.2730020407.

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Mastello, Raíssa Bittar, Natália Soares Janzantti, and Magali Monteiro. "Volatile and odoriferous compounds changes during frozen concentrated orange juice processing." Food Research International 77 (November 2015): 591–98. http://dx.doi.org/10.1016/j.foodres.2015.10.007.

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Chakira, Abacar, Cyrielle Garcia, Christian Soria, Jérôme Minier, and Marc Chillet. "Effect of Flower Development Stages on the Dynamics of Volatile Compounds in Ylang-Ylang (Cananga odorata) Essential Oil." Horticulturae 8, no. 11 (October 23, 2022): 986. http://dx.doi.org/10.3390/horticulturae8110986.

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Several abiotic factors influence the chemical composition of essential oils. Understanding these factors is an important step in developing quality products that meet market demands. This research work aims to study the chemical composition of the essential oils of ylang-ylang (Cananga odorata, forma genuina) according to the maturity of flowers. The volatile compounds of ylang-ylang flowers from Reunion Island were extracted by hydrodistillation and the samples were analyzed by high resolution gas chromatography coupled with mass spectrometry (GC-MS) allowing for the identification of 70 volatile compounds. The chemical composition of the essential oils extracted from the flowers at 5 different stages of development varies both qualitatively and quantitatively. The volatile compounds observed belong to 4 chemical groups which are esters, alcohols, terpenes, and ether-oxides. The synthesis of light oxygenated compounds is largely the predominant chemical subgroup in all stages of development. Their relative content is considerably increased during flower ripening with a peak concentration in stage 4 (SD4). The highest concentrations of non-terpene esters and heavy oxygenated compounds are found in stages 1 (SD1) and (SD5), respectively, while no chemical subgroup is dominant in the intermediate stages 2 (SD2) and (SD3). The dynamics of volatile compounds have also been studied. This study established that the stage of development of ylang-ylang flowers significantly influences the dynamics of volatile compounds in the extracted essential oils. Total oxygenated compounds that are highly odoriferous in essential oils increase progressively and significantly with flower maturity, unlike hydrocarbon terpenes, which are less valuable in terms of their contribution to the fragrance and following opposite kinetics; suggesting that odoriferous properties increase with the development of the flower, with a higher intensity at SD4.
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Wood, William F., and Mark Fesler. "Mushroom odors: Student synthesis of the odoriferous compounds of the matsutake mushroom." Journal of Chemical Education 63, no. 1 (January 1986): 92. http://dx.doi.org/10.1021/ed063p92.

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Freeman, C. G., and M. J. McEwan. "Rapid Analysis of Trace Gases in Complex Mixtures Using Selected Ion Flow Tube–Mass Spectrometry." Australian Journal of Chemistry 55, no. 8 (2002): 491. http://dx.doi.org/10.1071/ch02111.

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Although the human nose is an extremely sensitive olfactory organ, detecting some odoriferous compounds at concentrations as low as a few ppt (parts per trillion by volume) it is not quantitative. Furthermore, it cannot identify some volatile species at quite high concentrations, and neither can it recognize the individual components of many mixtures of trace volatile organic compounds (VOCs). For some considerable time the scientific community has experimented with a number of different types of olfactory devices with varying degrees of success. The advent of selected ion flow tube–mass spectrometry (SIFT-MS) has revolutionized thinking in trace gas monitoring due to the simplicity of operation together with the rapidity and sensitivity of detection that this technique provides.
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Ômura, Hisashi, Keiichi Honda, and Nanao Hayashi. "Identification of Odoriferous Compounds from Adults of a Swallowtail Butterfly, Papilio machaon (Lepidoptera: Papilionidae)." Zeitschrift für Naturforschung C 56, no. 11-12 (December 1, 2001): 1126–34. http://dx.doi.org/10.1515/znc-2001-11-1234.

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Abstract Adults, particularly males, of a papilionid butterfly, Papilio machaon hippocrates, emit a fairly strong scent perceivable by humans. We have identified a variety of volatile compounds (hydrocarbons, alcohols, aldehydes, ketones, esters, and so on) from the wings and bodies of both sexes of the butterfly. Male wings secreted n-dodecane, linalool and geranylacetone as major components together with small amounts of camphene, limonene, p-cymene, 2 -phenylethanol, n-hexanal, n-decanal, isoamyl acetate, p-allylanisole, 2 -pyrrolidone and other characteristic volatiles. The overall profile of volatile compounds detected from male body was quite different from that of the wings. Male body was devoid of camphene, 2-phenyletha-nol, n-hexanal but instead contained limonene, acetoin, a sesquiterpene hydrocarbon (C15H24), methyl n-octanoate, (E,E)-hepta-2,4-dienal, and another isomer of heptadienal as principal components, of which the last four compounds were specific to the body. All these substances seem to concurrently characterize the male odor. The chemical patterns of com­ pounds found from female wings and body were essentially the same in quality as those of male wings and body, respectively, although their quantities in females were generally smaller than in males. Females, however, had a larger amount of acetamide than males. The chemical compositions of volatiles from the fore and hind wings of males were not greatly different from each other, and every component was considered to be present on all parts of the wings. This suggests that the scent-producing organs or scent-emitting pores are widely distributed on the whole wings. EA G responses of both sexes to 12 selected compounds identified from the butterfly were not strong at a dose of 1 μg, while both sexes showed relatively stronger responses to n-nonanal, methyl n-octanoate, D-limonene and linalool at a higher dose (10 [μg). Although sexual difference in EAG response was not prominent, females appeared a little more sensitive, and n-nonanal and acetoin evoked significantly higher responses from females at 1 μg.
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Matłok, Natalia, Sabina Lachowicz, Józef Gorzelany, and Maciej Balawejder. "Influence of Drying Method on Some Bioactive Compounds and the Composition of Volatile Components in Dried Pink Rock Rose (Cistus creticus L.)." Molecules 25, no. 11 (June 3, 2020): 2596. http://dx.doi.org/10.3390/molecules25112596.

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This study investigates the effects of various drying methods applied to leaves of Cistus creticus L. on the contents of polyphenols and the composition of the volatile fraction. The following four drying methods were used: convection drying at a temperature of 40 °C (CD 40 °C), 50 °C (CD 50 °C), and 60 °C (CD 60 °C); vacuum-microwave (VMD 240 W); combined drying, involving convection pre-drying (50 °C) and vacuum-microwave (240 W) finish drying (CPD-VMFD) as well as freeze-drying (FD). Polyphenols in the dried leaves were determined using chromatography-photodiode detector-quadrupole/time of flight-mass spectrometry (UPLC-PDA-Q/TOF-MS). The contents of odoriferous substances in the dry material were determined by means of head space-solid phase microextraction (HS-SPME) with the use of a gas chromatograph (GC). Thirty-seven polyphenol components including 21 flavonols, eight flavan-3-ols, and eight hydrolyzed tannins in dry Pink Rock Rose material were found for the first time. The highest contents of polyphenols, totaling 2.8 g 100 g−1 dry matter (d.m.), were found in the samples subjected to the CPD/VMFD drying method. Pink Rock Rose subjected to this drying method was characterized by large quantities of odoriferous compounds, mainly eugenol, thymol, and carvacrol, which contribute to its antiseptic properties. By using CPD/VMFD methods, it is possible to obtain fine quality dry material from the leaves of C. creticus.
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Ômura, Hisashi, Nanako Yanai, and Keiichi Honda. "Sexual Dimorphism in Scent Substances and Cuticular Lipids of Adult Papilio protenor Butterflies." Zeitschrift für Naturforschung C 67, no. 5-6 (June 1, 2012): 331–41. http://dx.doi.org/10.1515/znc-2012-5-614.

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Adults of Papilio protenor demetrius emit a faint odour; the male odour is notably stronger than that of the females. The extracts of whole individuals of each sex comprised 53 compounds regarded as cuticular lipid components, of which the 17 major compounds were straight-chain alkanes and alkenes with 23 - 31 carbon atoms, higher fatty acids, long-chain aliphatic ketones, squalene, and cholesterol. However, highly volatile compounds were not detected in the whole individual extracts. Eight of the 17 major compounds showed a significant sex difference in relative abundance per individual. Principal component analysis, using the major compounds as variables, revealed a marked sexual dimorphism in the chemical composition of cuticular lipids. From the extracts of 10 dissected individuals of each sex, 21 highly volatile compounds were identified in amounts of less than 200 ng/individual. Among them, linalool and 2,3-butanediol showed a significantly larger amount in males than in females, indicating that the adult odour is also sexually dimorphic. Moreover, both sexes shared several odoriferous compounds, such as heptanal, nonanal, methyl salicylate, benzyl alcohol, and benzoic acid. The faint odour of P. protenor adults, perceivable by the human nose, appears to originate from these volatile compounds
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Dissertations / Theses on the topic "Odoriferous compounds"

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Tronson, Deidre A., of Western Sydney Hawkesbury University, of Science Technology and Environment College, and of Science Food and Horticulture School. "Volatile compounds in some eastern Australian Banksia flowers." THESIS_CSTE_SFH_Tronson_D.xml, 2001. http://handle.uws.edu.au:8081/1959.7/140.

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This project was the very beginning of research into the chemistry of eastern Australian banksia flowers. Using dynamic headspace sampling (DHS) analysis, differences in volatile components, consistent with detection of differences in odour, were detected among three different species and one commercial cultivar. Infraspecific variation was also observed between two known subspecies of Banksia ericifolia and between differently coloured forms of Banksia spinulosa var. collina. The cultivar, Banksia 'Giant Candles', was shown to have some of the chemical components of each of its supposed ancestors. The absence of known wound-response chemicals indicated that this DHS method was successful in leaving the inflorescences undamaged throughout the sampling procedure. The Likens-Nickerson modification of classical hydrodistillation methods was useful. The static headspace method (SHS) was easily automated and was shown to be chemically robust and sufficiently sensitive to detect volatile compounds from only a few flowers. The milder DHS method, which minimised mechanical and heat damage to the plant tissue, produced a different set of results. From the results of this project, a suite of volatile compounds has been proposed that may be useful in future behavioural studies to help determine whether animals are attracted to components of banksia odours. These candidates include some compounds that have been reported in animal secretions, wound-response chemicals that may be produced by the plant to aid its communication with other organisms, and a compound (suggested to be sulfanylmethyl acetate) not previously reported from natural sources. The mildest of the three analytical methods used, dynamic headspace sampling, was shown to be suitable for the potential chemotaxonomic evaluation of some members of the Banksia genus.
Doctor of Philosophy (PhD)
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Léal, Françoise. "Etude de la production et de l'émanation de composés volatils malodorants sur textile à usage sportif." Thesis, Vandoeuvre-les-Nancy, INPL, 2011. http://www.theses.fr/2011INPL070N/document.

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Si la sueur fraîchement émise par le corps humain est inodore, la dégradation de celle-ci par la flore bactérienne cutanée produit des composés volatils malodorants, responsables des odeurs de transpiration. Les odeurs de transpiration apparaissent également sur les vêtements au cours de leur utilisation, particulièrement sur les textiles réalisés en fibres synthétiques. Ce travail a pour but d’améliorer la compréhension du phénomène d’émanation d’odeurs en étudiant l’effet du sujet testé, l’effet de la flore bactérienne et l’effet du textile sur les émissions de composés volatils malodorants.L’intérêt de ce travail réside dans l’approche globale de la problématique des odeurs de transpiration et dans la diversité des méthodes de mesure mises en place, tant dans l’étude de la flore microbiologique que dans les méthodes de mesures des composés odorants émis.Dans un premier temps, le dénombrement simultané de la flore bactérienne sur la peau et sur le vêtement a été réalisé sur un échantillon de 15 sujets à l’issue d’un exercice physique. Cette expérimentation a permis d’évaluer le taux de transfert bactérien moyen lors d’une activité sportive et d’étudier son rôle dans l’émission d’odeurs. Ensuite, afin d’affiner ces résultats, une méthode basée sur la biologie moléculaire a été mise en place pour réaliser le suivi qualitatif de la stabilité de la flore commensale axillaire d’un sujet pendant 3 mois. Le transfert bactérien spécifique entre la peau du testeur et le vêtement a été étudié pour 4 matières textiles sélectionnées (dont le coton et le PET). Ceci a permis de déterminer le rôle du transfert bactérien spécifique dans l’émission des odeurs à partir de textile.Enfin, le dernier chapitre est consacré à l’étude de l’émission de composés volatils et odorants à l’aide de mesures olfactives et d’un nez électronique au cours du temps par 8 composants textiles sélectionnés. Après traitement statistique par analyse en composante principale et étude détaillée des mesures, 9 composés chimiques ont été identifiés comme indicateurs d’un comportement textile malodorant. Ces derniers pourraient être utilisés dans la mise en place d’une méthode ciblée de mesure physico-chimique des mauvaises odeurs.Ce travail a permis de déterminer l’impact de chacun des facteurs sujet, flore bactérienne et textile dans l’émission d’odeurs. En outre, ce travail ouvre des perspectives sur l’étude des contaminations bactériennes par contact, mais également dans l’étude des odeurs, sur les phénomènes de désorption de molécules volatiles à partir de différentes matrices textiles et sur les solutions pouvant être envisagées pour limiter les émissions odorantes à partir de textiles
Fresh human sweat is odorless. Odoriferous volatile compounds are produced by the metabolism of bacteria living on the skin, generating strong malodor. Sweaty body odors do also appear on clothes during use, and especially on synthetic fabrics. The aim of this document is to improve understanding of odor emission by investigating subject effect, microbiota effect and fabric effect on the emission of odoriferous volatile compounds.Odors of perspiration are hereby globally approached with a wide use of methods and experimental devices, for microbial flora study as well as for odoriferous volatile compounds emission study.First, microflora enumeration has been simultaneously processed on the skin and on the fabric after exercise for 15 subjects. This experiment allowed an evaluation of the average bacterial transfer yield during physical activity and the beginning of the investigation of its effect on odor emission.A molecular biology methodology has then been developed in order to refine these results. Monitoring of qualitative composition of the microbiota has been performed to study the stability of the armpit’s ecosystem on a subject during 3 months. Specific microbial transfer from subject’s skin to clothe has been performed for 4 textile fabrics (including cotton and PET). This leaded to characterize the effect of specific bacterial transfer on odor emission from fabric.The last chapter is dedicated to the study of the emission of odoriferous volatile compounds over time using olfactory measurements and electronic nose for 8 selected fabrics. Principal component analysis targeted 9 chemical compounds that have been selected as malodorous behavior indicators for a given fabric. Those 9 compounds could be used for setting up a fitted physicochemical method of malodor.To conclude, this study helped to understand the effect of 3 factors in odor perception from a fabric after sport : subject, microbial flora and fabric. Perspectives have been charted on contact microbial contamination, but also on odor, and especially on desorption of odoriferous volatile molecules from a textile or knitted matrix. The solutions that could be used to limit malodorous emission from fabrics have also been discussed
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Tronson, Deidre A. "Volatile compounds in some eastern Australian Banksia flowers." Thesis, 2001. http://handle.uws.edu.au:8081/1959.7/140.

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This project was the very beginning of research into the chemistry of eastern Australian banksia flowers. Using dynamic headspace sampling (DHS) analysis, differences in volatile components, consistent with detection of differences in odour, were detected among three different species and one commercial cultivar. Infraspecific variation was also observed between two known subspecies of Banksia ericifolia and between differently coloured forms of Banksia spinulosa var. collina. The cultivar, Banksia 'Giant Candles', was shown to have some of the chemical components of each of its supposed ancestors. The absence of known wound-response chemicals indicated that this DHS method was successful in leaving the inflorescences undamaged throughout the sampling procedure. The Likens-Nickerson modification of classical hydrodistillation methods was useful. The static headspace method (SHS) was easily automated and was shown to be chemically robust and sufficiently sensitive to detect volatile compounds from only a few flowers. The milder DHS method, which minimised mechanical and heat damage to the plant tissue, produced a different set of results. From the results of this project, a suite of volatile compounds has been proposed that may be useful in future behavioural studies to help determine whether animals are attracted to components of banksia odours. These candidates include some compounds that have been reported in animal secretions, wound-response chemicals that may be produced by the plant to aid its communication with other organisms, and a compound (suggested to be sulfanylmethyl acetate) not previously reported from natural sources. The mildest of the three analytical methods used, dynamic headspace sampling, was shown to be suitable for the potential chemotaxonomic evaluation of some members of the Banksia genus.
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Book chapters on the topic "Odoriferous compounds"

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Chatonnet, Pascal. "Volatile and Odoriferous Compounds in Barrel-Aged Wines: Impact of Cooperage Techniques and Aging Conditions." In ACS Symposium Series, 180–207. Washington, DC: American Chemical Society, 1998. http://dx.doi.org/10.1021/bk-1998-0714.ch014.

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Hermia, J., S. Vigneron, and C. Slingeneijer. "Odour Characterization and Control of Volatile Odoriferous Compounds in Coke and Steel Industries." In Studies in Environmental Science, 225–30. Elsevier, 1992. http://dx.doi.org/10.1016/s0166-1116(08)70699-x.

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Nash, Wayne A., and Richard B. Seibert. "Biofilter Treatment of Process Streams in the Chemical Process to Eliminate Odoriferous Compounds and Higher Molecular Weight Hydrocarbons." In Biotechnology in Industrial Waste Treatment and Bioremediation, 269–77. CRC Press, 2020. http://dx.doi.org/10.1201/9781003070153-20.

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Nash, Wayne A., and Richard B. Seibert. "Biofilter Treatment of Process Streams in the Chemical Process to Eliminate Odoriferous Compounds and Higher Molecular Weight Hydrocarbons." In Biotechnology in Industrial Waste Treatment and Bioremediation, 269–77. CRC Press, 2020. http://dx.doi.org/10.4324/9781003070153-20.

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"REFERENCES 1. Compilation of Odor and Taste Threshold Values Data, Ed. F.A. Fazzalari, ASTM Data Series DS 48A, American Society for Testing and Materials, Philadelphia, 1978. 2. Compilation of Odour Threshold Values in Air and Water, Ed. L.J. Van Gemert, A.H. Nettenbreijer, RID, Voorburg, CIVO Zeist, Netherlands, 1977. 3. F. Patte, M. Etcheto, P. Laffort, Selected and Standardized Values of Suprathreshold Odor Intensities for 110 Substances, Chemical Senses and Flavour, 1, 1975, 283-305. 4. P.H. Punter, Measurement of Human Olfactory Threshold for several Groups of Structural related Compounds, Chemical Senses, 7(3/4), 1983, 215-235. 5. N.P. Cemansky, Diesel Exhaust Odor and Irritants : A Review, J. Air Pollut. Control Assoc., 33(2), 1983, 97-104. 6. H. Van Langenhove, N. Schamp, Chemical and Olfactometric Measurement of Odours, In : "Characterization and Control of Odoriferous Pollutants in Process Industries", Ed. Societe Beige de Filtration, Louvain-la-Neuve, Belgium, 1984. 7. H. Van Langenhove, F. Van Wassenhove, J. Coppin, M. Van Acker, N. Schamp, GC-MS Identification of Organic Volatiles Contributing to Rendering Odors, Environ. Sci. Technol., 16(12), 1982, 883-886. 8. H. Van Langenhove, M. Van Acker, N. Schamp, Quantitative Determination of Carbonyl Ccnpounds in Rendering Emissions by RP-HPIC of the 2,4-dinitro-phenylhydrazones, The Analyst (London), 108, 1983, 329-334. 9. H. Van Langenhove, M. Van Acker, H. Van Langenhove, Separation and Deter­ mination of 2,4-dinitrophenyl thioethers by RP-HPLC, J. Chranatogr. 257, 1983, 170-173." In Odour Prevention and Control of Organic Sludge and Livestock Farming, 172–73. CRC Press, 1986. http://dx.doi.org/10.1201/9781482286311-78.

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