期刊
BIOCHEMICAL SYSTEMATICS AND ECOLOGY
卷 35, 期 3, 页码 130-137出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bse.2006.09.007
关键词
Drimys brasiliensis; Drimys angustifolia; Winteraceae; essential oil; cyclocolorenone
The essential oils obtained from Southern Brazilian native Drimys brasiliensis Miers and Drimys angustifolia Miers were analyzed by GC and GC/MS. The oils from leaves of both species showed predominance of monoterpenoids, while the oils from stem barks were characterized by sesquiterpenoids. Bicyclogermacrene (20.0% in leaves and 25.4% in stem bark) and drimenol (1.4% in leaves and 26.2% in stem bark) were the most abundant in D. angustifolia, and cyclocolorenone (from 16.0% to 32.3% in fresh and dried leaves and almost 50% in stem bark) in D. brasiliensis. The oil from fruits of D. brasiliensis was also analyzed and presented 31.0% of cyclocolorenone. The predominance of this unusual aromadendrane-type sesquiterpene in D. brasiliensis essential oils could be used as a chemosystematic marker. (c) 2006 Elsevier Ltd. All rights reserved.
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