ANTIOXIDANT ACTIVITY OF MEDITERRANEAN PLANT-LEAVES - OCCURRENCE AND ANTIOXIDATIVE IMPORTANCE OF ALPHA-TOCOPHEROL

被引:23
作者
CHEVOLLEAU, S [1 ]
MALLET, JF [1 ]
DEBAL, A [1 ]
UCCIANI, E [1 ]
机构
[1] FAC SCI & TECH MARSEILLE,CHIM ORGAN APPL LAB,CNRS,URA 1409,BOITE 412,F-13397 MARSEILLE 20,FRANCE
关键词
ANTIOXIDANT ACTIVITY; HEXANE EXTRACTS; MEDITERRANEAN PLANT LEAVES; ALPHA-TOCOPHEROL;
D O I
10.1007/BF02542606
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Alpha-Tocopherol was identified as the main antioxidant in hexane extracts of leaves of sixteen Mediterranean plant species. The alpha-tocopherol content was determined by a two-step procedure involving column and gas chromatography with alpha-tocopherol acetate as internal standard. The tocopherol content of the extracts was in the range of 0.0-4.7%, and that of the dry leaves was 0-846 ppm. The highest alpha-tocopherol content was found in the leaves of a Mediterranean oak, Quercus ilex. The antioxidative activity, which was previously investigated was correlated with the alpha-tocopherol content. Correlation coefficients were 0.947 and 0.904 for extracts and leaves, respectively.
引用
收藏
页码:807 / 809
页数:3
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