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Planta Med 1977; 32(8): 375-377
DOI: 10.1055/s-0028-1097616
© Georg Thieme Verlag Stuttgart · New York

ANTHRAQUINONE PIGMENTS FROM CASSIA OCCIDENTALS

R. D. Tiwari, J. Singh
  • Department of Chemistry, University of Allahabad, India
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Publication Date:
13 January 2009 (online)

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Abstract

We report in this communication the isolation of chrysophanol and bianthraquinone (4,4' ,5,5'-tetrahydroxy–2,2'-dimethyl, 1,1'-bianthraquinone) from the leaves of Cassia occidentalis. An earlier chemical investigation on the leaves [1] revealed the presence of two flavonoid glycosides.