Term Name:	carotene beta-ring hydroxylase activity
Synonyms:	beta-carotene hydroxylase activity
Definition:	Catalysis of the reaction: a carotene + a reduced electron acceptor + O2 = C3-hydroxylated carotene + an oxidized electron acceptor + H2O. This is a general reaction to represent the C3 hydroxylation of the beta ring of a carotene.
Ontology:	GO: Molecular Function [GO:0010291]    QuickGO    AmiGO