Biotransformation of Furanocoumarins; psoralen (1). bergapten (2). xanthotoxin (3) and imperatorin (4) was explored by Cunninghamella elegans NRRL 1392. revealing the metabolism of psoralen (1) and bergapten (2) into bergaptol (5). https://www.marcelovicente.com/product-category/hydrating-cream/