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Paper | Regular issue | Vol 41, No. 10, 1995, pp.2245-2250
Published online, 1st January, 1970
DOI: 10.3987/COM-95-7157
Garcinianin, a Novel Biflavonoid from the Roots of Garcinia kola

Kenji Terashima, Muhd Aqil, and Masatake Niwa*

*Faculty of Pharmacy, Meijo University, Tempaku, Nagoya 468, Japan

Abstract

A novel biflavonoid named garcinianin was isolated from the roots of Garcinia kola (Guttiferae) and the structure was characterized as a C-3/C-8"-naringenin/kaempferol dimer by spectroscopic methods. Garcinianin is present as a mixture of two atropisomers (relative ratio; 1:1.2) at 25 °C. Garcinianin is the first example of a flavanone-flavonol biflavonoid.