期刊
PHYTOCHEMISTRY
卷 54, 期 3, 页码 295-300出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0031-9422(00)00085-6
关键词
Orobanche; Orobanchaceae; broomrape; chemotaxonomy; fatty acids; tocochromanols; tocopherols; tocotrienols
The evaluation of tocochromanols (tocopherols and tocotrienols) in 49 accessions from 21 Orobanche species revealed three well separated groups. The first one, characterized by high gamma-tocotrienol content, included all the accessions of sect. Orobanche. The second one, exhibiting high gamma-tocopherol content, comprised the accessions of O. arenaria Borkh. and O. purpurea Jacq. (sect. Trionychon Wallr.). All the other accessions of this section presented high delta-tocopherol content. Differences for tocochromanol derivatives within sect. Trionychon were paralleled by differences in the fatty acid profile, with the high delta-tocopherol class having also a higher oleic to linoleic acid ratio. (C) 2000 Elsevier Science Ltd. All rights reserved.
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