期刊
BIOCHEMICAL SYSTEMATICS AND ECOLOGY
卷 34, 期 5, 页码 371-375出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bse.2005.12.005
关键词
Brunfelsia; floral volatiles; SPME/GC/MS
Two plant species belonging to the genus Brunfelsia, commonly known as Yesterday-Today-and-Tomorrow, are closely related, however, differ by their flower fragrance. Flowers of Brunfelsia australis present a pleasant fragrance, whereas flowers of Brunfelsia pauciflora are scentless. SPME/GC/MS analysis on flower samples of both species of Brunfelsia indicated that flowers of B. australis emitted a fresh flowery fragrance, essentially comprising two monoterpenic compounds (linalool and (E)-ocimene). B. pauciflora, on the other hand, produced only a few sesquiterpenoids. These results are considered in an ecological and evolutionary context. (c) 2006 Elsevier Ltd. All rights reserved.
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