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题名: The leaf essential oils of the genus Calocedrus
作者: Adams, Robert P.; Nguyen, Sanko; Hsieh, Chang-Fu; Kaiyun, Guan
刊名: JOURNAL OF ESSENTIAL OIL RESEARCH
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
英文摘要: 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.
出版日期: 2006-11-01
卷号: 18, 期号:6, 页码:654-658
语种: 英语
ISSN号: 1041-2905
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内容类型: 期刊论文
URI标识: http://ir.kib.ac.cn/handle/151853/15550
Appears in Collections:资源植物与生物技术所级重点实验室_期刊论文

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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

Recommended Citation:
Adams, Robert P.; Nguyen, Sanko; Hsieh, Chang-Fu; Kaiyun, Guan.The leaf essential oils of the genus Calocedrus,JOURNAL OF ESSENTIAL OIL RESEARCH,2006,18(6):654-658
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