Enzymatic reactions [BR:br08201]
1. Oxidoreductase reactions
1.3 Acting on the CH-CH group of donors
1.3.1 With NAD+ or NADP+ as acceptor
1.3.1.105
R10593 4-Hydroxy-2,5-dimethylfuran-3(2H)-one + NADP+ <=> 4-Hydroxy-5-methyl-2-methylenefuran-3(2H)-one + NADPH + H+