| 摘要 |
The invention relates to a compound of formula (I), or a pharmacologically or cosmetically acceptable salt or derivative thereof, wherein R<SUB>1 </SUB>to R<SUB>5 </SUB>are selected from the groups R<SUB>1 </SUB>representing -alkyl, -vinyl, -CHOH-CH<SUB>2</SUB>OH, R<SUB>2 </SUB>representing H, -OH, -Oalkyl, -Oacyl, saccharide groups, modified saccharide groups (e.g. malonylated), R<SUB>3 </SUB>representing -H, -OH, -Oalkyl, -Oacyl, modified -Oacyl (e.g. malonylated), saccharide groups, modified saccharide groups (e.g. malonylated), R<SUB>4</SUB>, R<SUB>5 </SUB>representing -COOH, -carbonic esters, for use as drug, antioxidant, food supplement. The invention also relates to a method for producing the compound of formula (I).
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