期刊
FITOTERAPIA
卷 72, 期 6, 页码 656-661出版社
ELSEVIER
DOI: 10.1016/S0367-326X(01)00305-7
关键词
Arbutus unedo; alpha-tocopherol; TLC-densitometry; colorimetry
A quantitative determination of alpha -tocopherol in Arbutus unedo leaves was established by TLC-densitometry and colorimetry. Data obtained by TLC-densitometry were compared with those obtained by colorimetry. Also, the alpha -tocopherol content in leaves collected at different times of the year was studied comparatively. The highest amount of alpha -tocopherol was found in the March collection. (C) 2001 Elsevier Science B.V. All rights reserved.
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