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Position: Home > Articles > Variation among Eucalyptus smithii Clones for Leaf Oil Components and Yields Eucalypt Science & Technology 2013 (4) 15-18

史密斯桉无性系桉叶出油率及成分分析

作  者：
管朝旭;施彬;曾德贤;陈剑英
单  位：
云南省林木种苗工作总站
关键词：
史密斯桉;无性系;出油率;1,8–桉叶素
摘  要：
本文对7个史密斯桉无性系桉叶的出油率进行了测定,对其精油成份进行了分析。结果表明:在7个史密斯桉无性系中,出油率在3.0%以上的有17号、2号、8号,出油率分别达到3.67%、3.61%、3.20%,出油率分别超过史密斯桉实生苗91.43%、88.62%、67.39%,分别超过蓝桉实生苗131.97%、128.18%、102.29%,具有较高的精油得率;精油成份分析表明:在7个史密斯桉无性系中1,8–桉叶素含量在80%以上的有4号、8号、7号、1号无性系,分别为82.85%、80.31%、80.26%、80.05%;以1,8–桉叶素产量为首选指标的综合分析表明,出油率是1,8–桉叶素产量的关键因素,出油率与1,8–桉叶素产量呈正相关。
译  名：
Variation among Eucalyptus smithii Clones for Leaf Oil Components and Yields
作  者：
GUAN Zhao-xu;SHI Bin;ZENG De-xian;CHEN Jian-ying;Forestry Seed and Seedling Station of Yunnan Province;
关键词：
Eucalyptus smithii;;clone;;leaf oil yield;;1,8-cineole
摘  要：
This study investigated the leaf oil yields for 7 clones of Eucalyptus smithii and analyzed components of the leaf essential oils from these clones. The results showed: 1) among the 7 clones, the oil yielding rate of clones 17(3.67%), 2(3.61%) and 8(3.20%) were over 3.0% and the leaf oil yields of these three clones were 91.43%, 88.62% and 67.39% higher respectively than the average for Eucalyptus smithii seedlings, and 131.97%, 128.18% and 102.29% higher respectively than the average for Eucalyptus globulus seedlings; 2) for oil samples obtained from the leaves of the 7 clones, the 1,8-cineole(one of main components of eucalypt leaf essential oil) contents of clones 4, 8, 7 and 1 were 82.85%, 80.31%, 80.26% and 80.05% respectively; 3) by the index of total 1,8-cineole yield obtained from leaves of these clones, the total oil yield rate was the key factor determining productivity of 1,8-cineole and the oil yield rate showed a direct correlation with production of 1,8-cineole.

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