Results 1 to 10 of about 17,233 (279)

Effects of pits of different ages on ethyl acetate and its metabolism-related microorganisms during strong-flavor Baijiu fermentation [PDF]

Frontiers in Microbiology
The esters are the most important flavor components in Baijiu as their species and content decide the style of Baijiu. During the formation of esters, pits play important roles. In this study, the main esters and their related microorganisms in different
Jing Zhang, Jing Zhang, Yunxuan Duan, Yang Lin, Jing Chen, Jie Cheng, Jie Cheng, Chuan Song, Jincen Zuo, Suyi Zhang, Suyi Zhang, Yong Zuo   +11 more
doaj   +2 more sources

Potential bile acid metabolites. 9. 3,12-Dihydroxy- and 12 beta-hydroxy-5 alpha-cholanoic acids.

Journal of Lipid Research, 1985
Syntheses of the heretofore unreported 3 alpha, 12 beta-, 3 beta, 12 beta-dihydroxy-, and 12 beta-hydroxy-5 alpha-cholanic acids of the 5 alpha-series, their methyl esters, and some related derivatives are described. In addition, allodeoxycholic (3 alpha,
T Iida, T Tamura, T Matsumoto, F C Chang
doaj   +1 more source

Progress on Aroma Components and Synthetic Regulation Mechanism of Horticultural Plants

Guangdong nongye kexue, 2023
The aroma of horticultural plants is produced by volatile organic compounds (VOCs) in their cells, mainly composed of esters, alcohols, aldehydes, ketones, ethers, terpenoids, alkanes and other substances, which is an important quality index ...
Chu YE, Bingchun XIE, Tao LI, Xiaowan XU, Xiaomei XU, Hengming WANG, Zhiming WU, Zhou HENG   +7 more
doaj   +1 more source

VOC contamination in hospital, from stationary sampling of a large panel of compounds, in view of healthcare workers and patients exposure assessment. [PDF]

PLoS ONE, 2013
BACKGROUND: We aimed to assess, for the first time, the nature of the indoor air contamination of hospitals. METHODS AND FINDINGS: More than 40 volatile organic compounds (VOCs) including aliphatic, aromatic and halogenated hydrocarbons, aldehydes ...
Vincent Bessonneau, Luc Mosqueron, Adèle Berrubé, Gaël Mukensturm, Sylvie Buffet-Bataillon, Jean-Pierre Gangneux, Olivier Thomas   +6 more
doaj   +1 more source

Eight Typical Aroma Compounds of ‘Panguxiang’ Pear during Development and Storage Identified via Metabolomic Profiling

Life, 2023
Aroma is an appreciated fruit property, and volatile flavor plays a key role in determining the perception and acceptability of fruit products by consumers. However, metabolite composition that contributes to the aroma in fruit quality is unclear.
Huiyun Li, Chaowang Ma, Shunfu Li, Huimin Wang, Lisha Fang, Jian Feng, Yanmei Wang, Zhi Li, Qifei Cai, Xiaodong Geng, Zhen Liu   +10 more
doaj   +1 more source

The pyrethrins and related compounds VII.—new pyrethrin‐like compounds with ester and ketonic groups in the alcoholic side chain

Journal of the Science of Food and Agriculture, 1965
AbstractPyrethrin‐like esters of a new type were obtained by reaction of the 4‐bromo derivatives of esters (Et, Pr, Ph) of 3‐methylcyclopent‐2‐enone‐2‐acetic acid with silver chrysanthemates. The structure of the intermediate bromo compounds and hence of the esters was deduced from the ease with which hydrogen bromide was eliminated by tertiary amines ...
Corral, C., Elliott, M.
openaire   +1 more source

Microbial Succession and Flavor Production in the Fermented Dairy Beverage Kefir

mSystems, 2016
Kefir is a putatively health-promoting dairy beverage that is produced when a kefir grain, consisting of a consortium of microorganisms, is added to milk to initiate a natural fermentation.
Aaron M. Walsh, Fiona Crispie, Kieran Kilcawley, Orla O’Sullivan, Maurice G. O’Sullivan, Marcus J. Claesson, Paul D. Cotter   +6 more
doaj   +1 more source

Comparative Investigation of Combined Metabolomics-Flavoromics during the Ripening of Mango (Mangifera indica L.) cv. ‘Nam Dok Mai Si Thong’ and ‘Nam Dok Mai No. 4’

Plants, 2021
A metabolomics-flavoromics approach was conducted to assess the micromolecules of ‘Nam Dok Mai Si Thong’ and ‘Nam Dok Mai No. 4’ mango cultivars from two seasons. During ripening, FAMEs, FFAs, fatty alcohols, sterols, and organic acids were dominant at 0–
Ye Lin Aung, Yaowapa Lorjaroenphon, Pinthip Rumpagaporn, Sudathip Sae-tan, Kriskamol Na Jom   +4 more
doaj   +1 more source

AGE-RELATED DIFFERENCES IN KETONE METABOLISM: A STUDY OF KETONE ESTER RESPONSES ACROSS LIFESPAN

Innovation in Aging
Abstract Ketone supplements, such as ketone esters, induce ketosis without other dietary changes and have demonstrated many potential applications in younger adults. However, metabolism by older adults is unknown. This study investigated the metabolic responses to ketone ester consumption across the lifespan, to understand how aging ...
Hernandez, Ester, Jordan, Aydan, Senadheera, Chatura, Stephens, Elizabeth, Newman, John, Kackley, Madison, Volek, Jeff, Stubbs, Brianna   +7 more
openaire   +1 more source

Structure‐reactivity relations of conjugated and unconjugated monomers: Acrylates and methyl vinyl ketone in copolymerization with styrene compared with vinyl esters in copolymerization with ethylene

Journal of Polymer Science: Polymer Chemistry Edition, 1983
AbstractThis article describes the copolymerization of methyl vinyl ketone (MVK), methyl acrylate (MA), and methyl methacrylate (MMA) with styrene (St) as reference monomer at 3.4 MPa and 335 K with toluene as solvent. In addition, the effect of pressure on the binary copolymerizations of St‐Ma‐MMA is discussed.
Schrijver, J., German, A.L.
openaire   +1 more source