The hydroxylation of coumarin and the cyclization of o-coumaric acid in vivo.
D000143:Acids / Q000378:metabolism*; D003373:Coumaric Acids; D003374:Coumarins / Q000378:metabolism*; D003500:Cyclization; D006900:Hydroxylation
D000143:Acids; D003373:Coumaric Acids; D003374:Coumarins; C030123:coumarin
ACIDS/metabolism; COUMARIN/metabolism