NDLI: Positional-Species Composition of Triacylglycerols from the Arils of Mature Euonymus Fruits

Content Provider	Springer Nature Link
Author	Sidorov, Roman A. Pchelkin, Vasily P. Zhukov, Anatoly V. Vereshchagin, Andrei G. Tsydendambaev, Vladimir D.
Copyright Year	2014
Abstract	Positional-species composition (PSC) of 1,2,3-triacyl-sn-glycerols (TAG) from the arils of mature fruits of 13 species of Euonymus L. genus was established. The residues of six major fatty acids (FA), palmitic, stearic, hexadecenoic (H), octadecenoic (O), linoleic (L), and linolenic, were present in the TAG. PSC of TAG was determined by their partial lipase hydrolysis. By using hierarchical cluster and principal component analyses, it was definitely demonstrated that separate taxonomic units forming this genus were significantly distinguished as regards PSC of TAG. In particular, the Euonymus subgenus greatly exceeded the Kalonymus subgenus in both total content of L in TAG and in the rate of its incorporation into their mid-position, while TAG of Kalonymus were marked by a prevalence of O-TAG and sn-2-O isomers. Thus, these subgenera were significantly distinct in the rate of incorporation of O and L residues in the sn-2 position of TAG molecules. Meanwhile, the TAG from the Euonymus section species were marked by an enhanced concentration of H and the incorporation of H in UUU TAG was much more active than in other TAG types. As for positional-type composition of TAG, saturated FA were always virtually absent in the sn-2 position of Euonymus aril TAG.
Starting Page	2053
Ending Page	2063
Page Count	11
File Format	PDF
ISSN	0003021X
Journal	Journal of the American Oil Chemists' Society
Volume Number	91
Issue Number	12
e-ISSN	15589331
Language	English
Publisher	Springer Berlin Heidelberg
Publisher Date	2014-10-21
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Euonymus species 1,2,3-Triacyl-sn-glycerols Positional-species composition Type-species composition Fatty acids Taxonomic position Industrial Chemistry/Chemical Engineering Biomaterials Agriculture Food Science Biotechnology
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Chemical Engineering

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