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Journal articles on the topic 'Linalool oxide'

Author: Grafiati

Published: 4 June 2021

Last updated: 14 February 2022

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1

Jablonský, Michal, Helena Ramajová, Aleš Ház, Alexandra Sládková, Andrea Škulcová, and Katarína Čížová. "Comparison of Different Methods for Extraction from Lavender: Yield and Chemical Composition." Key Engineering Materials 688 (April 2016): 31–37. http://dx.doi.org/10.4028/www.scientific.net/kem.688.31.

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A comparative study of accelerated solvent extraction (ASE) with two conventional volatile isolation methods including traditional steam distillation and Soxhlet extraction was performed on lavender. ASE was carried out by butanol (polar protic solvent) or dichloromethane (nonpolar solvent) and the temperature was 120°C. Separation and identification of the components was carried out by GC/MS. The main components of the analysed samples were Linalool (14.79%), α-Terpineol (4.42%), Linalool oxide (furanoid) (2.92%), cis-linalyl oxide (2.8%), α-Bisabolol (1.86%) and Octacosane (1.56%) for steam

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2

Tschiggerl, Christine, and Franz Bucar. "Volatile Fraction of Lavender and Bitter Fennel Infusion Extracts." Natural Product Communications 5, no. 9 (2010): 1934578X1000500. http://dx.doi.org/10.1177/1934578x1000500917.

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The relative proportions of chemical classes (hydrocarbons, oxides, alcohols/ethers, aldehydes/ketones, acids/esters/lactones) in the essential oil of lavender ( Lavendula Angustifolia Mill., family Lamiaceae) and bitter fennel ( Foeniculum vulgare Mill. subsp. vulgare var. vulgare (Mill.) Thellung, family Apiaceae) and in the volatile fraction of infusion extracts were examined and showed remarkable differences. The volatile compounds of infusions were isolated by hydrodistillation and solid phase extraction (SPE). Their qualitative and semiquantitative compositions were compared with the ess

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3

Reynolds, A. G., C. G. Edwards, D. A. Wardle, D. Webster, and M. Dever. "Shoot Density Affects `Riesling' Grapevines II. Wine Composition and Sensory Response." Journal of the American Society for Horticultural Science 119, no. 5 (1994): 881–92. http://dx.doi.org/10.21273/jashs.119.5.881.

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`Riesling' grapevines (Vitis vinifera L.) were subjected for 4 seasons (1987-90) to three shoot densities (16, 26, and 36 shoots/m of row) combined with three crop-thinning levels (1, 1.5, and 2 clusters per shoot) in a factorial design. Wines were made from all treatment combinations in 1989. Aroma compounds such as trans-3-hexen-1-ol, linalool, and linalool oxides 1 and 2 in many cases decreased in nonaged and aged wines by increasing shoot density and clusters per shoot, while cis-3-hexen-1-ol increased. Aging wines increased concentrations of cis-3-hexen-1-ol, citronellol, α-terpineol, and

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4

Jirovetz, Leopold, Gerhard Buchbauer, Andrea Wobus, Mohamed P. Shafi, and Beena Jose. "Medicinal used plants from lndia: analysis of the essential oil of air-dried Biophvtum sensitivum (L.) DC." Scientia Pharmaceutica 72, no. 1 (2004): 87–96. http://dx.doi.org/10.3797/scipharm.aut-04-08.

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The essential oil of the air-dried plant Biophytum sensitivum (L.) DC. (Oxalidaceae) from Southern lndia was investigated by gas chromatographic-spectroscopic (GC-FID and GC-MS) and olfactoric methods to identify compounds responsible for the characteristic odor as well as partly for the folk medicinal use of this plant. Especially benzene derivatives, such as 1,4-dimethoxy benzene (24.9%), 1,2-dimethoxy benzene (10.6%) and 2-methoxy-4-methyl phenol (3.5%), the monoterpenes (Z)-linalool oxide (8.1%), (E)-linalool oxide (5.2%) and linalyl acetate (3.4%) as well as l-octen-3-ol (9.5%) and isopho

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5

Sun, Jie, Baoguo Sun, Fazheng Ren, et al. "Effects of Storage Conditions on the Flavor Stability of Fried Pepper (Zanthoxylum bungeanum) Oil." Foods 10, no. 6 (2021): 1292. http://dx.doi.org/10.3390/foods10061292.

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Flavor stability of fried pepper oil was investigated during 30 days of storage. Variation trends of key volatile flavor compounds in fried pepper oil induced by ultraviolet (UV) irradiation and oxygen (O2) exposure were compared using GC-MS and chiral GC-MS analysis. Chirality analysis showed that conversion of (S)-(-)-limonene to (R)-(+)-limonene form was observed during storage. The storage conditions did not change the configuration of linalool, linalool oxide, or carvone. Quantitative analysis showed that the concentrations of linalool, limonene, 1,8-cineole, β-myrcene, and β-ocimene decr

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6

Joshi, Robin, Poonam, Rikki Saini, et al. "Characterization of Volatile Components of Tea Flowers (Camellia sinensis) Growing in Kangra by GC/MS." Natural Product Communications 6, no. 8 (2011): 1934578X1100600. http://dx.doi.org/10.1177/1934578x1100600829.

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Volatile flavour components of tea flowers ( Camellia sinensis) were isolated by two methods viz. simultaneous distillation extraction (SDE), supercritical fluid extraction (SFE), analyzed by GC and GC/MS and compared with headspace analysis (HS). The composition of the volatile components extracted by the three methods differed considerably. In SFE, phenylethanol (14.7%), linalool (7.9%), ( E)-linalool oxide furanoid (3.5%), epoxy linalool (1.6%), geraniol (2.3%) and hotrienol (1.5%) were major components. m-Xylene (2.6%), ( E)-linalool oxide pyranoid (5.4%), p-myrcene (5.2%), α-cadinol (4.3%

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7

Gupta, Suphla, Pankaj Pandotra, Gandhi Ram, et al. "Composition of a Monoterpenoid-rich Essential Oil from the Rhizome of Zingiber officinale from North Western Himalayas." Natural Product Communications 6, no. 1 (2011): 1934578X1100600. http://dx.doi.org/10.1177/1934578x1100600122.

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The chemical composition of the essential oil from the rhizome of ginger ( Zingiber officinale Roscoe), collected from Nahan, Himachal Pradesh, India, was determined by gas chromatography and GC-MS. Fifty-one compounds, representing 95.1% of the oil, were identified. The oil was characterized by relatively large amounts of the monoterpenoids 1,8-cineole (10.9%), linalool (4.8%), borneol (5.6%), α-terpineol (3.6%), neral (8.1%), geraniol (14.5%), geranial (9.5%), trans-dimethoxy citral (5.0%) and geranyl acetate (6.3%). Five compounds, namely trans-linalool oxide, trans-linalool oxide acetate,

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8

Baron, Mojmir, Bozena Prusova, Lenka Tomaskova, Michal Kumsta, and Jiri Sochor. "Terpene content of wine from the aromatic grape variety ‘Irsai Oliver’ (Vitis vinifera L.) depends on maceration time." Open Life Sciences 12, no. 1 (2017): 42–50. http://dx.doi.org/10.1515/biol-2017-0005.

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AbstractThis study deals with the determination of the content of both free and bound terpenes in berries and wine of the aromatic grapevine variety ‘Irsai Oliver’. Grapes were macerated in juice for different time intervals (viz. 0; 5; 12; 24 hours) and thereafter processed to wine. The objective was to map the dependence of some selected terpenes on the period of maceration. Using gas chromatography, some nine organic compounds were detected. Attention was paid to contents of linalool (3,7-dimethylokta-1,6-dien-3-ol), 2,6-dimetyl-3,7-octadiene-2,6-diol, hotrienol ([(5E)-3,7-dimethylocta-1,5,

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9

Phan Thi, Thanh Hai, and To Quynh Cung Thi. "Volatile components obtained from oolong teas and preliminary evaluation on consumer preferences for these products." Heavy metals and arsenic concentrations in water, agricultural soil, and rice in Ngan Son district, Bac Kan province, Vietnam 1, no. 2 (2018): 21–28. http://dx.doi.org/10.47866/2615-9252/vjfc.52.

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Six types of oolong tea products from four different regions were investigated. Their volatile&nbsp;components were obtained by Solid Phase Microextraction (SPME) method and analyzed by GC &ndash;&nbsp;MS. Results showed that hexanal (ranged from 1.08-1.52%), 6-methyl-5-hepten-2-one (0.55-4.30%),&nbsp;(Z)-linalool oxide (5.44-17.95%), (E)-linalool oxide (4.86-12.13%), linalool (1.23-8.26%), epoxylinalool (0.80-1.16%) and methyl salicylate (0.70-2.51%) could be identified as the major compounds&nbsp;of all six tea products. These products were also classified into 3 groups b

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10

Tomiyama, Kenichi, Hirokazu Aoki, Takeshi Oikawa, Kazutoshi Sakurai, Yoko Kasahara, and Yukihiro Kawakami. "Characteristic Volatile Components of Kabosu (Citrus sphaerocarpa Hort. ex Tanaka)." Natural Product Communications 6, no. 3 (2011): 1934578X1100600. http://dx.doi.org/10.1177/1934578x1100600319.

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The volatile components of both peel and juice of Japanese citrus, Kabosu ( Citrus sphaerocarpa Hort. ex Tanaka) were investigated using SAFE (Solvent Assisted Flavor Evaporation) technique after solvent extraction. In this study, wine lactone, rose oxide, (2 E)-4,5-epoxy-2-decenal, mintsulfide, and indole were newly identified from Kabosu. AEDA (Aroma Extract Dilution Analysis) of the oxygenated fraction of the peel extract showed high FD (Flavor Dilution) factors for linalool, (2 E)-4,5-epoxy-2-decenal, octanal, (4 Z)-decenal, β-citronellol, geraniol, and wine lactone, while wine lactone, li

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11

Matich, Adam J., Barry J. Bunn, and Martin B. Hunt. "The enantiomeric composition of linalool and linalool oxide in the flowers of kiwifruit (Actinidia) species." Chirality 22, no. 1 (2010): 110–19. http://dx.doi.org/10.1002/chir.20713.

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12

Kühnholz, Susanne, Regine Gries, and John H. Borden. "Semiochemical-mediated aggregation of the ambrosia beetle Trypodendron betulae (Coleoptera: Curculionidae: Scolytinae)." Canadian Entomologist 153, no. 1 (2020): 91–102. http://dx.doi.org/10.4039/tce.2019.81.

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AbstractPorapak Q-captured volatiles from both sexes of Trypodendron betulae Swaine (Coleoptera: Curculionidae: Scolytinae) excised from newly attacked logs of paper birch, Betula papyrifera Marshall (Betulaceae), as well as volatiles from unattacked birch logs, were analysed by coupled gas chromatographic electroantennographic detection analysis. Active compounds were identified by gas chromatographic mass spectroscopy. The enantiomeric ratio of 6-ethenyl-2,2,6-trimethyloxan-3-ol (linalool oxide pyranoid) was determined using a Cyclodex B column. Field-trapping experiments disclosed that the

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13

Xin, Haiping, Benhong Wu, Haohao Zhang, et al. "Characterization of volatile compounds in flowers from four groups of sweet osmanthus (Osmanthus fragrans) cultivars." Canadian Journal of Plant Science 93, no. 5 (2013): 923–31. http://dx.doi.org/10.4141/cjps2012-333.

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Xin, H., Wu, B., Zhang, H., Wang, C., Li, J., Yang, B. and Li, S. 2013. Characterization of volatile compounds in flowers from four groups of sweet osmanthus ( Osmanthus fragrans ) cultivars. Can. J. Plant Sci. 93: 923–931. Headspace-solid-phase microextraction (HS-SPME) and gas chromatography-mass spectroscopy (GC-MS) were used to characterize the volatiles in flowers of four cultivar groups of sweet osmanthus (Osmanthus fragrans Lour.), including Thunbergii, Latifolius, Aurantiacus and Semperflorens Groups. A total of 72 volatiles were identified. Volatile compounds and their relative conten

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14

Blank, Arie Fitzgerald, Lídia Cristina Alves Camêlo, Maria de Fátima Arrigoni-Blank, et al. "Chemical Diversity inLippia alba(Mill.) N. E. Brown Germplasm." Scientific World Journal 2015 (2015): 1–11. http://dx.doi.org/10.1155/2015/321924.

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The aim of this study was to perform chemical characterization ofLippia albaaccessions from the Active Germplasm Bank of the Federal University of Sergipe. A randomized block experimental design with two replications was applied. The analysis of the chemical composition of the essential oils was conducted using a gas chromatograph coupled to a mass spectrometer. The chemical composition of the essential oils allowed the accessions to be allocated to the following six groups: group 1: linalool, 1,8-cineole, and caryophyllene oxide; group 2: linalool, geranial, neral, 1,8-cineol, and caryophylle

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15

Cung Thị, Tố Quỳnh, та Thanh Hải Phan Thị. "Bước đầu xác định thành phần bay hơi thu nhận từ một số sản phẩm chè ô long và sư bộ đánh giá thị hiếu người tiêu dung đối với các sản phẩm nghiên cứu". Heavy metals and arsenic concentrations in water, agricultural soil, and rice in Ngan Son district, Bac Kan province, Vietnam 1, № 2 (2018): 29–33. http://dx.doi.org/10.47866/2615-9252/vjfc.677.

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Nghiên cứu tiến hành trên sáu sản phẩm chè ô long trên thị trường xuất xứ từ 4 vùng địa lý khác nhau. Các hợp chất bay hơi được thu nhận và phân tích bằng phương pháp vi chiết pha rắn (Solid Phase Microextraction - SPME) kết hợp GC &ndash; MS. Kết quả cho thấy thành phần chất bay hơi chiếm hàm lượng lớn trong cả 6 sản phẩm này là (Z)-linalool oxide (5,44-17,95%), (E)-linalool oxide (4,86-12,13%), linalool (1,23-8,26%)&hellip; Sáu mẫu nghiên cứu có thể được phân thành 3 nhóm dựa trên các thành phần bay hơi chính bằng phương pháp phân tích thành phần chính PCA (Principal Component Analys

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16

Souto-Maior, Flávia Negromonte, Diogo Vilar da Fonsêca, Paula Regina Rodrigues Salgado, Lucas de Oliveira Monte, Damião Pergentino de Sousa, and Reinaldo Nóbrega de Almeida. "Antinociceptive and anticonvulsant effects of the monoterpene linalool oxide." Pharmaceutical Biology 55, no. 1 (2016): 63–67. http://dx.doi.org/10.1080/13880209.2016.1228682.

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17

Miyazawa, Mitsuo, Katsuyuki Yokote, and Hiromu Kameoka. "Resolution of racemic linalool oxide-pyranoid by microbial esterification." Tetrahedron: Asymmetry 6, no. 5 (1995): 1067–68. http://dx.doi.org/10.1016/0957-4166(95)00126-a.

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18

Fenoll, José, María-Carmen Martínez, Pilar Hellín, and Pilar Flores. "Changes of free and glycosidically bound monoterpenes and aromatic alcohols in Moscatuel and Ruby Seedless table grapes during development." OENO One 46, no. 1 (2012): 41. http://dx.doi.org/10.20870/oeno-one.2012.46.1.1505.

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<p style="text-align: justify;"><strong>Aims</strong>: The evolution of free and bound aromatic compounds (monoterpenes and aromatic alcohols) during ripening was determined in two cultivars of <em>Vitis vinifera</em> : Moscatuel (muscat aroma) and Ruby Seedless (neutral aroma). The aim was to identify the aromatic compounds in both varieties and to understand the differences in their aromatic characteristics.</p><p style="text-align: justify;"><strong>Methods and results</strong>: The aromatic compounds were measured at six different matur

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19

Sałata, Andrzej, Halina Buczkowska, and Renata Nurzyńska-Wierdak. "Yield, Essential Oil Content, and Quality Performance of Lavandula angustifolia Leaves, as Affected by Supplementary Irrigation and Drying Methods." Agriculture 10, no. 12 (2020): 590. http://dx.doi.org/10.3390/agriculture10120590.

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In the present study, we investigated the irrigation of L. angustifolia plants and drying temperatures on the yield of dry leaves and lavender essential oil. Plants were irrigated using an on-surface system with drip lines. Plants without additional irrigation were the control object. Each dose of water consisted of 15 mm. The total amount of water used for irrigation in 2016 and 2017 was 90 L·m−2. The plant raw material was dried using two methods: in natural conditions and convectively. Natural drying was performed in a shaded room at a temperature of 20–22 °C for five days. The convective d

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20

Hădărugă, Daniel I., Nicoleta G. Hădărugă, Corina I. Costescu, Ioan David та Alexandra T. Gruia. "Thermal and oxidative stability of the Ocimum basilicum L. essential oil/β-cyclodextrin supramolecular system". Beilstein Journal of Organic Chemistry 10 (28 листопада 2014): 2809–20. http://dx.doi.org/10.3762/bjoc.10.298.

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Ocimum basilicum L. essential oil and its β-cyclodextrin (β-CD) complex have been investigated with respect to their stability against the degradative action of air/oxygen and temperature. This supramolecular system was obtained by a crystallization method in order to achieve the equilibrium of complexed–uncomplexed volatile compounds in an ethanol/water solution at 50 °C. Both the raw essential oil and its β-CD complex have been subjected to thermal and oxidative degradation conditions in order to evaluate the protective capacity of β-CD. The relative concentration of the O. basilicum L. esse

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21

Ju, Hyun, Heung Lim, and Tae Hyun. "The chemical composition and anti-inflammatory effect of the essential oil obtained from Abeliophyllum distichum flowers." Botanica Serbica 45, no. 1 (2021): 137–42. http://dx.doi.org/10.2298/botserb2101137j.

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In the present study, the chemical composition of the essential oil (EO) obtained from the flowers of Abeliophyllum distichum, commonly known as white forsythia, was examined by gas chromatography-mass spectrometry (GC/MS). Thirty-five components including epoxy linalool, methyl salicylate, linalool oxide (pyranoid), and L-linalool were identified in the EO of A. distichum flowers (AfEO). In addition, the AfEO exhibited a remarkable anti-inflammatory effect in lipopolysaccharide (LPS)-stimulated RAW 264.7 cells. We found that this anti-inflammatory effect was mediated by inhibiting the express

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22

Bhatnagar, Anju. "Composition variation of essential oil of Cymbopogon spp. growing in Garhwal region of Uttarakhand, India." Journal of Applied and Natural Science 10, no. 1 (2018): 363–66. http://dx.doi.org/10.31018/jans.v10i1.1631.

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The present study was aimed to find out the chemical constituents of essential oils of cymbopogon species,viz. Cymbopogon martinii var motia, Cymbopogon flexuosus Nees., Cymbopogon winterianus Jowitt., growing in Garhwal region of Uttarakhand, India. The essential oils were obtained by hydro-distillationand subjected to detailed Gas Chromatography-Mass Spectroscopy (GC-MS) analysis in order to determine the variation in their volatile constituents. Twenty seven compounds are α-pinene, β-myrcene, Limonene, Cis-b-Ocimene, pCymene ,Terpinolene,6-Methyl hept-5-en-2-one, Citronellal, Linalool, Lina

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23

Rana, Virendra S., and Maria A. Blazquez. "Compositions of the Volatile Oils of Citrus Macroptera and C. Maxima." Natural Product Communications 7, no. 10 (2012): 1934578X1200701. http://dx.doi.org/10.1177/1934578x1200701032.

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The essential oils obtained by hydrodistillation from the fresh peels of Citrus macroptera Montr. and C maxima(Burm.) Merr. were analyzed by GC and GC/MS. The yields of oil ranged from 0.53% in C macroptera to 0.13% in C maxima cultivar (white). Forty-seven compounds were identified in the oils with limonene (55.3-80.0%), dodecyl acrylate (2.2-8.0%), geranial (0.4-3.5%), trans-linalool oxide (1.0-2.8%), α-terpineol (0.7-2.3%), linalool (0.7-1.5%) and cis- linalool oxide (0.5-1.4%) identified as major compounds. The oil of C. macroptera contained limonene (55.3%), β-caryophyllene (4.7%) and ger

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24

Kotoky, Rumi, Siddhartha Pratim Saikia, Bithika Chaliha, and Subhan Chandra Nath. "Chemical compositions of the essential oils of inflorescence and vegetative aerial parts of Elsholtzia blanda (Benth.) Benth. (Lamiales: Lamiaceae) from Meghalaya, North-East India." Brazilian Journal of Biological Sciences 4, no. 7 (2017): 19–23. http://dx.doi.org/10.21472/bjbs.040703.

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The compositional analysis of essential oil content in inflorescence and vegetative aerial parts of Elsholtzia blanda Benth. (Lamiales: Lamiaceae) growing wild in Meghalaya,North-East India were studied by GC and GC-MS. A total of 30 and 17 components representing 96.9%-98.3% and 92.6%-92.8% of the total oils from the inflorescence and vegetative aerial parts, respectively, were identified. Significant difference in composition of oils were observed between the two plant parts; 15 components detected in the oil of inflorescence were lacking in the oil of vegetative aerial parts, while two comp

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Haider, Flora, Narendra Kumar, Ali Arif Naqvi, and Guru Das Bagchi. "Oil Constituents of Artemisia nilagirica var. septentrionalis Growing at Different Altitudes." Natural Product Communications 5, no. 12 (2010): 1934578X1000501. http://dx.doi.org/10.1177/1934578x1000501227.

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Oils of Artemisia nilagirica var. septentrionalis plants growing at different altitudes in Himachal Pradesh, India were hydrodistilled and analyzed by GC-GC/MS. The major constituents of the oil show variation with changes in altitude. At lower, middle and higher altitudes, the major constituents of the oil were caryophyllene oxide (28.6%), borneol (35.8%) and camphor (46.9%), respectively. The percentages of α-humulene and trans-β-guaiene also increased, but the percentage of sabinene, trans-sabinene hydrate, 4-terpineol, caryophyllene oxide and humulene epoxide-II decreased with an increase

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26

Serra, Stefano, Davide De Simeis, and Elisabetta Brenna. "Lipase mediated resolution of cis- and trans-linalool oxide (pyranoid)." Journal of Molecular Catalysis B: Enzymatic 133 (November 2016): S420—S425. http://dx.doi.org/10.1016/j.molcatb.2017.03.004.

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27

Duman, Erman, Mehmet Musa Özcan, Zrira Saadiab, and Mustafa Mete Özcan. "Essential Oil Composition of Thyme (Thymus zygioides Griseb. var. lycaonicus (Celak.) Ronniger) Wild Growing in Turkey." Turkish Journal of Agriculture - Food Science and Technology 8, no. 1 (2020): 61. http://dx.doi.org/10.24925/turjaf.v8i1.61-63.2692.

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The chemical composition of essential oil, which is isolated by hydrodistillation of aerial parts of Thymus zygioides growing wild in Turkey, have been determined by GC and GC/MS. Essential oil yield on a dry weight basis of aerial parts from T. zygioides was 0.45%. A total of twenty two constituents were identified by GC-MS analyses, the main components representing 92.3% the oil was identified as limonene (24.11%), cis-linalool oxide (22.91%), eucalyptol (8.65%). 3-octonol (7.04%), nerol (4.47%) geranyl acetate (3.19%), carvacrol (2.74%), linalyl propanoate (2.95%) and sabinene (2.23%). The

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Yu, Ai Nong, and Xing Zhi Yang. "Chemical Composition of the Essential Oil of Fresh Wild Syringa pubescens Flowers from China." Advanced Materials Research 581-582 (October 2012): 15–18. http://dx.doi.org/10.4028/www.scientific.net/amr.581-582.15.

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The essential oil of fresh wild Syringa pubescens flowers from China was obtained by hydrodistillation and identified by GC–MS. Altogether 49 components, mostly terpenoids and benzene derivatives, were identified. Many compounds are responsible for flowery or flowery-like aroma, such as benzyl alcohol, benzene acetaldehyde, cis-linalool oxide (furan), linalool, phenylethyl alcohol, α-terpineol, myrtenol, cis-geraniol, p-vinylguaiacol, eugenol, trans-nerolidol, etc. The predominant volatile compound in fresh wild Syringa pubescens flowers was furfural, followed by phenylethyl alcohol, carveol,

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Khruengsai, S., T. Sripacho, and P. Pripdeevech. "Volatile profiles and antioxidant activity of different cultivars of Camellia sinensis var. assamica grown in Thailand." Food Research 5, no. 2 (2021): 354–62. http://dx.doi.org/10.26656/fr.2017.5(2).581.

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Tea is considered as the most consumed drink in the world containing high antioxidant capacity. In this study, the volatile compounds, the phenolic content, catechins and caffeine including antioxidant activities of 22 Camellia sinensis var. assamica (Assam tea) cultivars were investigated. The volatile compounds were investigated by GC-MS. At least forty-five volatile compounds representing 94.99-99.65% of all cultivars were identified. Limonene, trans-linalool oxide, cis-linalool oxide, linalool, and furfural were detected as the major components among these cultivars. Varied ranges were fou

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Li, Zhangwei, and Juhong Wang. "Identification and similarity analysis of aroma substances in main types of Fenghuang Dancong tea." PLOS ONE 15, no. 12 (2020): e0244224. http://dx.doi.org/10.1371/journal.pone.0244224.

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Fenghuang Dancong tea covers the oolong tea category and is widely acknowledged for its unique floral and honey flavor. In order to characterize the volatile components in nine different aroma types of Fenghuang Dancong tea, the Headspace solid-phase microextraction (HS-SPME) coupled with gas chromatography-mass spectrometry (GC- MS) were employed. In addition, the similarity analysis and cluster analysis (CA) were performed to compare the aroma characteristics and establish the correlation between the nine types of teas. The principal component analysis (PCA) and orthogonal partial least squa

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Sonboli, Ali, Babak Babakhani, and Ahmad Reza Mehrabian. "Antimicrobial Activity of Six Constituents of Essential Oil from Salvia." Zeitschrift für Naturforschung C 61, no. 3-4 (2006): 160–64. http://dx.doi.org/10.1515/znc-2006-3-401.

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The antimicrobial activity of three Salvia species, i.e. S. santolinifolia, S. hydrangea and S. mirzayanii, essential oils were investigated. The essential oils were obtained from the aerial parts of plants and analyzed by GC-MS. The main constituents of aforementioned species were α-pinene (72.4%), β-pinene (6.6%) and limonene (5.3%); β-caryophyllene (25.1%), 1,8-cineol (15.2%) and caryophyllene oxide (11.5%); α-terpinenyl acetate (22.6%), 1,8-cineol (21.2%) and linalool (8.9%), respectively. Bioassays exhibited that the property of the oil of S. myrzayanii was superior to others. The antimic

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Cehula, Marcela, Michal Kumsta, Radek Sotolar, et al. "Determination of selected terpenic substances in grapes and wine of the cultivar Pálava." Potravinarstvo Slovak Journal of Food Sciences 14 (November 28, 2020): 1137–42. http://dx.doi.org/10.5219/1396.

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The presented study is focused on the determination of the content of terpenic substances in grapes and subsequently produced a wine of Czech variety Pálava (the Czech Republic, wine region Morava), which is a protected landscape with long-term tradition and culture. The aim of this study was the analysis of the aromatic profile of the cultivar Pálava, which was fermented by the original yeast strains from the Moravian wine region. Larger amounts of flavoring substances occur in grapes as bound flavoring substances, most often in the form of glycosides. One of the basic groups of aromatic subs

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(Lupoae), Simona Daniela Radu, Liliana Mihalcea, Iuliana Aprodu, et al. "Fostering Lavender as a Source for Valuable Bioactives for Food and Pharmaceutical Applications through Extraction and Microencapsulation." Molecules 25, no. 21 (2020): 5001. http://dx.doi.org/10.3390/molecules25215001.

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Lavender flowers were used in this study as a source of phytochemicals as naturally occurring antioxidants. Two different extraction techniques were applied, such as ultrasound-assisted (UAE) and supercritical fluids (SCE) methods. The comparative evaluation of the phytochemicals profile evidenced a higher content of chlorophyll a and b of 5.22 ± 0.12 mg/g dry weight (D.W.) and 2.95 ± 0.16 mg/g D.W, whereas the carotenoids content was 18.24 ± 0.04 mg/g D.W. in the SCE extract. Seven main compounds were found in both extracts: β-linalool, eucalyptol, linalool acetate, β-trans-ocimene, and limon

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Markheiser, Anna, Margit Rid, Sandra Biancu, Jürgen Gross, and Christoph Hoffmann. "Tracking Short-Range Attraction and Oviposition of European Grapevine Moths Affected by Volatile Organic Compounds in a Four-Chamber Olfactometer." Insects 11, no. 1 (2020): 45. http://dx.doi.org/10.3390/insects11010045.

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The identification of volatile organic compounds (VOCs) leading to short-range attraction and oviposition of the European grapevine moth Lobesia botrana and European grape berry moth Eupoecilia ambiguella (Lepidoptera: Tortricidae) is crucial in order to establish bait-based decision support systems for control of these pests. Therefore, we developed a method to measure the real-time behavioral response of female moths to VOCs using a four-chamber olfactometer coupled with a video tracking system. Ten synthetic VOCs were selected for this study: (S)-(−)-perillaldehyde, (E)/(Z)-linalool oxide,

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MIYAZAWA, M., K. YOKOTE, and H. KAMEOKA. "ChemInform Abstract: Resolution of Racemic Linalool Oxide-Pyranoid by Microbial Esterification." ChemInform 26, no. 43 (2010): no. http://dx.doi.org/10.1002/chin.199543223.

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Lawal, Oladipupo A., Isiaka A. Ogunwande, and Andy R. Opoku. "Constituents of Essential Oils from the Leaf and Flower of Plumeria alba Grown in Nigeria." Natural Product Communications 9, no. 11 (2014): 1934578X1400901. http://dx.doi.org/10.1177/1934578x1400901121.

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This paper reports on the compounds identified in the leaf and flower essential oils obtained by hydrodistillation of Plumeria alba L. (Apocynaceae) grown in Nigeria. The chemical analysis of the essential oils was achieved by means of gas chromatography (GC) and gas chromatography coupled with mass spectrometry (GC-MS). Linalool (13.2%), n-nonanal (9.6%), phenyl acetaldehyde (8.5%), neryl acetone (5.3%) and n-decanal (5.1%) were the main constituents of the leaf oil. On the other hand, the flower oil comprised mainly of limonene (9.1%), linalool (7.9%), α-cedrene (8.0%), caryophyllene oxide (

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Yuexing, Chang, Lin Junjie, Pan Siqing, Jing Yanlin, Guo Ailing, and Deng Yun. "Effects of Different Drying Methods on the Contents of Nine Components and Immunomodulatory Activities of Four Components in Osmamthus fragrans Flowers." Natural Product Communications 16, no. 2 (2021): 1934578X2199616. http://dx.doi.org/10.1177/1934578x21996160.

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The effects of drying methods on the contents of four nonvolatile and five volatile components and the immunoregulatory activities of four components in Osmamthus fragrans flowers were investigated. In general, microwaving preserved more nonvolatile components than the other methods, while the sun or shade method preserved more volatile components. Nonvolatile components such as salidroside and acteoside and volatile ingredients such as linalool and linalool oxide exhibited better immunoregulatory activity than the other ingredients. Taken together, O. fragrans flowers dried by microwaving res

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Wilson, Tyler M., Ariel Poulson, Chris Packer, Richard E. Carlson, and R. Michael Buch. "Essential Oil Profile and Yield of Corolla, Calyx, Leaf, and Whole Flowering Top of Cultivated Lavandula angustifolia Mill. (Lamiaceae) from Utah." Molecules 26, no. 8 (2021): 2343. http://dx.doi.org/10.3390/molecules26082343.

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Lavandula angustifolia Mill. (lavender) is an essential-oil-bearing plant in the Lamiaceae family. Volatile oil produced through the steam distillation of lavender was examined to establish the essential oil yield and aromatic profile from each portion of the plant—namely, the corolla, calyx, leaf, and whole flowering top. The resulting essential oils were analyzed by GC-FID and GC-MS. The different plant parts generally shared similar compounds but in varying relative percentages. Aromatic profiles of the whole flowering top and calyx were similar, with prominent compounds being linalool acet

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Li, Hai-Yan, Yuan-Zheng Yue, Wen-Jie Ding, et al. "Genome-Wide Identification, Classification, and Expression Profiling Reveals R2R3-MYB Transcription Factors Related to Monoterpenoid Biosynthesis in Osmanthus fragrans." Genes 11, no. 4 (2020): 353. http://dx.doi.org/10.3390/genes11040353.

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Osmanthus fragrans is widely grown for the purpose of urban greening and the pleasant aroma emitted from its flowers. The floral scent is determined by several monoterpenoid volatiles, such as linalool and its oxides, which are a few of the most common volatiles and the main components of the essential oils in most sweet osmanthus cultivars. In addition, the relative contents of cis- and trans-linalool oxide (furan) may affect the aromas and quality of the essential oils. MYB proteins represent the largest family of transcription factors in plants and participate in regulating secondary metabo

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Budić-Leto, Irena, Iva Humar, Jasenka Gajdoš Kljusurić, Goran Zdunić, and Emil Zlatić. "Free and Bound Volatile Aroma Compounds of ´Maraština´ Grapes as Influenced by Dehydration Techniques." Applied Sciences 10, no. 24 (2020): 8928. http://dx.doi.org/10.3390/app10248928.

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Dehydration or drying of grapes is one of the most important steps in the production of Croatian traditional dessert wine Prošek. The natural sun drying of grapes is the traditionally used method in Prošek production. Alternative methods, such as dehydration under controlled conditions, have been studied as safer and faster methods than the traditional sun drying but without precise knowledge of the effect on volatile compounds. The objective of this work was to study how dehydration of grapes carried out in a greenhouse and an environmentally controlled chamber impacts on the free and glycosi

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Hanssen, Hans-Peter, Volker Sinnwell, and Wolf-Rainer Abraham. "Volatile Fragrance Compounds from the Fungus Gloeophyllum odoratum (Basidiomycotina)." Zeitschrift für Naturforschung C 41, no. 9-10 (1986): 825–29. http://dx.doi.org/10.1515/znc-1986-9-1005.

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The accumulation of volatile metabolites in liquid cultures of the basidiomycete Gloeophyllum odoratum CBS 444.61 was studied after cultivation on defined synthetic liquid culture medium containing glucose (2%), asparagine (0.15%), and mineral salts. The composition of the steam volatile compounds differed distinctly from that obtained with another, previously investigated strain of this species. Two major constituents, the bicyclic sesquiterpene alcohol drimenol and a linalool derivative, 3,7-dimethyl-3-hydroxy-6-octenic acid methyl ester, could be identified by mass spectral data and 1H and

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Souto-Maior, Flávia Negromonte, Fabíola Lélis de Carvalho, Liana Clébia Soares Lima de Morais, Sueli Mendonça Netto, Damião Pergentino de Sousa, and Reinaldo Nóbrega de Almeida. "Anxiolytic-like effects of inhaled linalool oxide in experimental mouse anxiety models." Pharmacology Biochemistry and Behavior 100, no. 2 (2011): 259–63. http://dx.doi.org/10.1016/j.pbb.2011.08.029.

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Volz, Frank, Sipke H. Wadman, Anja Hoffmann-Röder, and Norbert Krause. "Gold catalysis in stereoselective natural product synthesis: (+)-linalool oxide, (−)-isocyclocapitelline, and (−)-isochrysotricine." Tetrahedron 65, no. 9 (2009): 1902–10. http://dx.doi.org/10.1016/j.tet.2008.11.104.

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Rosa, Maria do Socorro S., Ricardo R. Mendonça-Filho, Humberto R. Bizzo, et al. "Antileishmanial Activity of a Linalool-Rich Essential Oil from Croton cajucara." Antimicrobial Agents and Chemotherapy 47, no. 6 (2003): 1895–901. http://dx.doi.org/10.1128/aac.47.6.1895-1901.2003.

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ABSTRACT The in vitro leishmanicidal effects of a linalool-rich essential oil from the leaves of Croton cajucara against Leishmania amazonensis were investigated. Morphological changes in L. amazonensis promastigotes treated with 15 ng of essential oil per ml were observed by transmission electron microscopy; leishmanial nuclear and kinetoplast chromatin destruction, followed by cell lysis, was observed within 1 h. Pretreatment of mouse peritoneal macrophages with 15 ng of essential oil per ml reduced by 50% the interaction between these macrophages and L. amazonensis, with a concomitant incre

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Piesik, Dariusz, Anna Wenda-Piesik, David Weaver, Tulio Macedo, and Wendell Morrill. "Influence of Fusarium and Wheat Stem Sawfly Infestation on Volatile Compounds Production by Wheat Plants." Journal of Plant Protection Research 49, no. 2 (2009): 167–74. http://dx.doi.org/10.2478/v10045-009-0024-2.

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Influence ofFusariumand Wheat Stem Sawfly Infestation on Volatile Compounds Production by Wheat PlantsPlants that were infested by the wheat stem sawfly emitted significantly increased amounts of the secondary metabolites linalool, linalool oxide, ß-farnesene, ß-caryophyllene, and 4-heptanone in comparison to uninfested plants. Wheat plants parasitized byFusariumspecies also have emitted volatiles. The amount of volatiles released varied by infective species ofFusariumand volatile patterns varied over time for both sawfly infestation and pathogen infection. Plants that were stressed by both he

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Despinasse, Yolande, Sandrine Moja, Catherine Soler, et al. "Structure of the Chemical and Genetic Diversity of the True Lavender over Its Natural Range." Plants 9, no. 12 (2020): 1640. http://dx.doi.org/10.3390/plants9121640.

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The true lavender Lavandula angustifolia Miller is a Mediterranean aromatic shrub widely cultivated for its high quality essential oil used in perfumery and phytotherapy. Despite its economic importance, the intra-specific diversity among wild, non-cultivated plants remains poorly understood. We analyzed the structure of the chemical and genetic diversity of plants from 14 sites sampled over the entire native range of the true lavender. Volatile organic compounds of inflorescences were analyzed using gas chromatography coupled to mass spectrometry. Genotyping was performed with fingerprinting

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Nuzzo, Domenico, Miriana Scordino, Antonino Scurria, et al. "Protective, Antioxidant and Antiproliferative Activity of Grapefruit IntegroPectin on SH-SY5Y Cells." International Journal of Molecular Sciences 22, no. 17 (2021): 9368. http://dx.doi.org/10.3390/ijms22179368.

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Tested in vitro on SH-SY5Y neuroblastoma cells, grapefruit IntegroPectin is a powerful protective, antioxidant and antiproliferative agent. The strong antioxidant properties of this new citrus pectin, and its ability to preserve mitochondrial membrane potential and morphology, severely impaired in neurodegenerative disorders, make it an attractive therapeutic and preventive agent for the treatment of oxidative stress-associated brain disorders. Similarly, the ability of this pectic polymer rich in RG-I regions, as well as in naringin, linalool, linalool oxide and limonene adsorbed at the outer

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Ruščić, Mirko, Elma Vuko, Nada Bezić, Dario Kremerb, and Valerija Dunkić. "Croatian Micromeria fruticulosa – Essential Oil Composition and Antiphytoviral Activity." Natural Product Communications 12, no. 7 (2017): 1934578X1701200. http://dx.doi.org/10.1177/1934578x1701200733.

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The essential oil of Micromeria fruticulosa (Lamiaceae) growing wild in Croatia was obtained by hydrodistillation and analyzed by GC and GC/MS. Sixty-four compounds, representing 90.1% of the oil, were identified. The major components were oxygenated monoterpenes and sesquiterpenes with pinocarvone (17.6%), borneol (11.2%), α-bisabolol (10.5%), caryophyllene oxide (4.6%) and linalool (4.5%) as the most abundant. The essential oil showed antiviral activity against CMVsat infection.

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Kotan, Recep, Saban Kordali, and Ahmet Cakir. "Screening of Antibacterial Activities of Twenty-One Oxygenated Monoterpenes." Zeitschrift für Naturforschung C 62, no. 7-8 (2007): 507–13. http://dx.doi.org/10.1515/znc-2007-7-808.

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Plant essential oils are widely used as fragrances and flavours in the cosmetic, perfume, drug and food industries. Oxygenated monoterpenes are widespread components of the essential oils, usually occurring in high amount. In this paper, the antibacterial activities of twenty-one oxygenated monoterpenes (borneol, borneol acetate, camphor, carvone, 1,8-cineole, citronellal, β-citronellol, dihydrocarvone, fenchol, fenchone, geraniol acetate, isomenthol, limonene oxide, linalool, linalool acetate, nerol, nerol acetate, terpinen-4-ol, α-terpineol, menthol and menthone) and penicillin (standard ant

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Ben Taârit, Mouna, Kamel Msaada, Karim Hosni, and Brahim Marzouk. "GC Analyses of Salvia Seeds as Valuable Essential Oil Source." Advances in Chemistry 2014 (August 27, 2014): 1–6. http://dx.doi.org/10.1155/2014/838162.

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The essential oils of seeds of Salvia verbenaca, Salvia officinalis, and Salvia sclarea were obtained by hydrodistillation and analyzed by gas chromatography (GC) and GC-mass spectrometry. The oil yields (w/w) were 0.050, 0.047, and 0.045% in S. verbenaca, S. sclarea, and S. officinalis, respectively. Seventy-five compounds were identified. The essential oil composition of S. verbenaca seeds showed that over 57% of the detected compounds were oxygenated monoterpenes followed by sesquiterpenes (24.04%) and labdane type diterpenes (5.61%). The main essential oil constituents were camphor (38.94%

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