期刊
PHYTOCHEMISTRY
卷 61, 期 7, 页码 819-825出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0031-9422(02)00359-X
关键词
Xiphidium caeruleum; Haemodoraceae; accumulation; distribution; organ-specificity; phenylphenalenones
The distribution pattern of phenylphenalenone-type compounds was investigated in vegetative and reproductive organs of Xiphidium caeruleum. The highest total molar concentration, up to 30 mumol g(-1) fr. wt, was detected in the root tip and the stamen. Accumulation of specific phenylphenalenone-related metabolites including glycosides was found in the hypogeal plant parts, the leaves, and the reproductive organs of the inflorescence. Putative biosynthetic relationships and the role of these compounds in plant defence are discussed. (C) 2002 Elsevier Science Ltd. All rights reserved.
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