J Integr Plant Biol. ›› 1999, Vol. 41 ›› Issue (5): -.

• Research Articles •    

New Anthraquinones from the Sprout of Crocus sativus

GAO Wen-Yun, LI Yi-Ming and Zhu Da-Yuan   

Abstract: Two novel anthraquinones ( Ⅲ, Ⅳ ) and two known anthraquinones ( Ⅰ, Ⅱ ) were isolated from the sprout of Crocus sativus L. Compounds Ⅲ and Ⅳ were characterized as 1-methyl-3-methoxy-8-hydroxyan- thraquinone-2-carboxylic acid and 1-methyl-3-methoxy-6,8-dihydroxyantlwaquinone-2-carboxylic acid, respec- tively. Two known compounds were emodin ( Ⅰ ) and 2-hydroxyemodin ( Ⅱ ). All structures were elucidated on the basis of chemical and spectroscopic evidence.

Key words: Crocus sativus, Sprout, anthraquinones

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