Microbiological transformation of biflavone.
Incubation of 5,5'-7,7'-tetramethoxy-8,8'-biflavone with Aspergillus niger results in the formation of 4,4'-dihydroxy-5,5'-7,7'-tetramethoxy-8,8'-biflavan.
D001234:Aspergillus niger / Q000378:metabolism*; D005419:Flavonoids / Q000378:metabolism*
D005419:Flavonoids