()-(2 R,3S)-DIHIDROKUERSETIN, SUATU PRODUK BIOTRANSFORMASI (-)-EPIKATEKIN OLEH JAMUR ENDOFIT Diaporthe sp. E

Andria Agusta (Laboratorium Fitokimia, Bidang Botani, Pusat Penelitian Biologi-LIPI)

BERITA BIOLOGI
Vol 9, No 4 (2009)

The endophytic fungus Diaporthe sp.E show a unique ability to biotransform (-)-epicatechin into (-)-(2R,3R,4R)-leucocyanidin in a semisynthetic medium. Extension of the incubation time gave a major product (-)-(2R,35)-dihydroquercetin which was identified by spectroscopic methods.