Open AccessLupeol Esters from the Twig Bark of Japanese Pear (Pyrus serotina Rehd.) cv. Shinko
Author(s) -
Hideyuki Tomosaka,
Hiroyuki Koshino,
Tatsuharu Tajika,
Saburo Omata
Publication year - 2001
Publication title -
bioscience biotechnology and biochemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.509
H-Index - 116
eISSN - 1347-6947
pISSN - 0916-8451
DOI - 10.1271/bbb.65.1198
Subject(s) - lupeol , pear , twig , bark (sound) , botany , chemistry , pera , biology , organic chemistry , ecology
Five new lupeol esters, lup-20(29)-ene-3beta-yl eicosanoate, docosanoate, tetracosanoate, hexacosanoate and octacosanoate, were isolated as a mixture from the twig bark of Japanese pear (Pyrus serotina Rehd.) cv. Shinko, together with lupeol and epifriedelinol. Their structures were determined by spectral analyses including 2D-NMR experiments.
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