期刊
BIOCHEMICAL SYSTEMATICS AND ECOLOGY
卷 49, 期 -, 页码 39-42出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.bse.2013.03.029
关键词
Plectranthus forsteri 'Marginatus' Benth.; Polyphenols; Diterpenoids; HPLC-MS; Preparative HPLC; NMR
Polyphenols caffeic acid (1), rosmarinic acid (2), nepetoidins A and B (3) and diterpenoids 7 beta,6 beta-dihydroxyroyleanone (4) and 7 beta-acetoxy-6 beta-hydroxyroyleanone (5) were identified in the methanolic extract of Plectranthus forsteri 'Marginatus' Benth. 6,7-dehydroroyleanone (6) was isolated from essential oil. The structure was identified using spectroscopic analysis and comparing it to standards. (c) 2013 Elsevier Ltd. All rights reserved.
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