The leaf essential oils of the genus Calocedrus

	The leaf essential oils of the genus Calocedrus
	Adams, Robert P.; Nguyen, Sanko ; Hsieh, Chang-Fu ; Kaiyun, Guan
通讯作者	Adams, RP (reprint author), Baylor Univ, Dept Biol, Box 97366, Waco, TX 76798 USA.
	2006-11-01
发表期刊	JOURNAL OF ESSENTIAL OIL RESEARCH
ISSN	1041-2905
卷号	18 期号:6 页码:654-658
摘要	Farjon (1) considers the genus Calocedrus as containing just three species, C. decurrens (w. N. America), C. macrolepis (S.W. China, N. Vietnam, N. Thailand) and C. formosana (Taiwan). The leaf oils were analyzed and compared to the oil of the closely related species, Platycladus orientalis (E., N.E. China, Korea, far eastern Russia). The oils of C. macrolepis and C. formosana were very similar, being high in alpha-pinene (57.2% and 67.1%, respectively) and myrcene (11.2% and 6.2%), but they differed in several smaller components. The oils of C. decurrens from two populations in Oregon and one disjunct population in southern California were high in delta-3-carene (15.2-20.2%), limonene (18.2-23.6%), alpha-pinene (8.7-15.8%), terpinolene (5.7-8.0%), alpha-fenchyl acetate (3.5-9.7%), with some cedrol (0.8-1.2%). No large differences in oil compositions were seen between the three C. decurrens populations. Platycladus orientalis (= Thuja orientalis, = Biota orientalis) was found to contain considerable amounts of delta-3-carene (29.8%), cedrol (22.2%), alpha-pinene (15.1%) and terpinolene (4.9%). Overall, the oil of C. decurrens is as different from C. macrolepis and C. formosana as it is from P. orientalis, suggesting considerable divergence between Calocedrus species, but not between C. macrolepis and C. formosana. These leaf oil analyses support the recognition of C. macrolepis var. formosana in Taiwan as treated in the Flora of China.
关键词	Calocedrus Decurrens Calocedrus Macrolepis Calocedrus Formosana Calocedrus Macrolepis Var. Formosana Platycladus Orientalis Biota Orientalis Thuja Orientalis Cupressaceae Essential Oil Composition Alpha-pinene Myrcene Delta-3-carene Limonene Cedrol Geographic Variation Systematics
学科领域	Chemistry, Applied ; Food Science & Technology
收录类别	SCI
语种	英语
WOS记录号	WOS:000242133400021
引用统计
文献类型	期刊论文
条目标识符	http://ir.kib.ac.cn/handle/151853/15550
专题	资源植物与生物技术所级重点实验室
作者单位	1.Baylor Univ, Dept Biol, Waco, TX 76798 USA 2.Natl Taiwan Univ, Dept Bot, Taipei 106, Taiwan 3.Chinese Acad Sci, Kunming Bot Garden, Kunming 650204, Yunnan, Peoples R China
推荐引用方式 GB/T 7714	Adams, Robert P.,Nguyen, Sanko,Hsieh, Chang-Fu,et al. The leaf essential oils of the genus Calocedrus[J]. JOURNAL OF ESSENTIAL OIL RESEARCH,2006,18(6):654-658.
APA	Adams, Robert P.,Nguyen, Sanko,Hsieh, Chang-Fu,&Kaiyun, Guan.(2006).The leaf essential oils of the genus Calocedrus.JOURNAL OF ESSENTIAL OIL RESEARCH,18(6),654-658.
MLA	Adams, Robert P.,et al."The leaf essential oils of the genus Calocedrus".JOURNAL OF ESSENTIAL OIL RESEARCH 18.6(2006):654-658.

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