Journal
CHEMISTRY OF NATURAL COMPOUNDS
Volume 52, Issue 2, Pages 193-198Publisher
SPRINGER
DOI: 10.1007/s10600-016-1592-9
Keywords
Betula pendula; triterpenoids; phenylpropanoids; papyriferic acid; antifeedants; gypsy moth Lymantria dispar
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Funding
- RFBR [15-29-02676 ofi_m, 15-04-08197 a, 12-04-01228-a]
- Basic Research Program of State Academies of Science
- Ecology of Organisms and Societies [VI.51.1.5]
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The individual group compositions of hydroxycinnamic acid derivatives, flavonoids, terpenoids, fatty acids, and hydrocarbons from Betula pendula leaves during early leaf development were studied using GC-MS and HPLC. The contents of biologically active compounds varied considerably during observation for 20 d after leaf emergence. It was shown that the dynamics of antifeedant triterpenoid contents correlated with the dynamics of L. dispar caterpillar deaths during the study period. The dynamics of the contents of total phenols, slightly oxidized phenols, and soluble proanthocyanidins were studied using spectrophotometry.
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