Results 141 to 150 of about 1,748 (205)

Rapid Classification and Quantitative Prediction of Aflatoxin B₁ Content and Colony Counts in Nutmeg Based on Electronic Nose. [PDF]

Molecules
Yang R, Zhu K, Zhao Y, Guo X, Wang Y, Wang J, Zou H, Yan Y.   +7 more
europepmc   +1 more source

Comparative GC-MS fingerprint analysis of <i>M. fragrans</i> and <i>M. argentea</i> essential oils: Identifying potential markers for safety and quality control of nutmeg. [PDF]

Food Chem X
Khamnuan S, Intharuksa A, Phrutivorapongkul A, Theansungnoen T, Chaichit S, Thongkhao K, Samutrtai P, Sawangrat K.   +7 more
europepmc   +1 more source

Co-enzyme-free, enzymatic synthesis of aldehydes from renewable resources with a new and highly efficient alkene cleaving dioxygenase.

Green Chem
Schiefer A, Schober L, Rohr T, Winkler M, Rudroff F.   +4 more
europepmc   +1 more source

Physicochemical properties of activated carbon modified with 2-phenylpropene

Bulletin of Taras Shevchenko National University of Kyiv. Chemistry
Introduction. Application of porous carbon materials in various adsorption-catalytic and electrochemical processes requires optimization of their structural-sorption parameters and chemical properties of the surface layer.
V. E. Diyuk
semanticscholar   +3 more sources

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Phenylpropene diglycosides from the bark of Machilus wangchiana

Journal of Asian Natural Products Research, 2012
Five new phenylpropene diglycosides (1-5), together with three known analogs, have been isolated from an ethanol extract of the bark of Machilus wangchiana. Their structures were determined by spectroscopic and chemical methods. In the preliminary assay, compounds 2 and 5-8 reduced dl-galactosamine (GalN)-induced hepatocyte (WB-F344 cells) damage with ...
Wei Cheng, Cheng-gen Zhu, Wen-dong Xu, Xiao Fan, Yong-chun Yang, Y. Li, Jiangong Shi   +6 more
semanticscholar   +3 more sources

Base‐catalyzed isomerization of phenylpropenes

International Journal of Chemical Kinetics, 1982
AbstractThe prototropic rearrangement of 3‐phenyl‐1‐propenes to the corresponding 1‐phenyl‐1‐propenes was investigated in basic media utilizing 0.1M sodium ethoxide in absolute ethanol at 81°C. It was found that the effect of substituents on the rate of such isomerizations follows the order: p‐NO2 > o‐Cl > m‐Cl ≥ m‐F > p‐Br > o‐CH3 > m ...
M. Hassan, A. R. O. Abdel Nour, A. M. Satti, K. S. Kirollos   +3 more
openaire   +2 more sources

1-nitro-1-phenylpropene

Tetrahedron, 1987
Abstract The reactions between the nitroolefin with enamines from cycloalkanones have been studied. No ring-chain tautomerism between the title heterocycles and the nitroalkylated enamines has been found, in contrast with the case of the isomeric 2-nitro 1-phenylpropene.
F. Asaro, G. Pitacco, E. Valentin
semanticscholar   +2 more sources

The photochemistry of 1-phenylpropenes

Journal of the Chemical Society, Perkin Transactions 2, 1973
An examination of the photochemical and photophysical processes resulting from excitation in the α and A bands of cis- and trans-1-phenylpropene in the gas phase has been carried out. Measurement of quantum yields of fluorescence, fluorescence lifetimes, and quantum yields of isomerization on excitation in the α bands has revealed that the value for ...
Mark G. Rockley, Kingsley Salisbury
openaire   +1 more source

Prenylated phenylpropenes from Coleonema pulchellum with antimicrobial activity

Phytochemistry, 1997
The lipophilic root extract of Coleonema pulchellum was analysed and tested for antifungal and antibacterial activity. Eight previously undescribed prenyloxy and geranyloxy phenylpropenes, were isolated as major compounds together with the known evofolin-C as well as the lignans (+/-)-sesamin and (+/-)-prenylpiperitol, the diterpene (-)-pimara-9(11),15-
G, Brader, M, Bacher, O, Hofer, H, Greger   +3 more
openaire   +2 more sources