期刊
TETRAHEDRON LETTERS
卷 42, 期 46, 页码 8223-8225出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0040-4039(01)01738-5
关键词
Salvia officinalis; Labiatae; salvianolic acid L; 7,8-dihydroxy-2-(3,4-dihydroxyphenyl)-1,2-dihydronaphthalene-1,3-dicarboxylic acid; di(1-carboxy-2-(3,4-dihydroxy phenyl))ethyl ester; antioxidant; hydrolytic products
Salvianolic acid L. a rosmarinic acid dimer, was isolated from Salvia officinalis and identified as 7,8-dihydroxy-2-(3,4-dihydroxyphenyl)-1,2-dihydronaphthatene-1,3-dicarboxylic acid di(1-carboxy-2-(3,4-dihydroxyphenyl))ethyl ester. Two novel hydrolytic products 7,8-dihydroxy-2-(3,4-dihydroxyphenyl)-1,2-dihydronaphthalene-1,3-dicarboxylic acid and the corresponding 3-monoester were also isolated and characterized. Salvianolic acid L showed strong free radical scavenging activities for DPPH and superoxide anion radicals. (C) 2001 Published by Elsevier Science Ltd.
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