(2S)-flavan-4-ol + NADP(+) <=> (2S)-flavanone + NADPH + H(+)
(2s)-flavan-4-ol + nadp(+) <=> (2s)-flavanone + nadph + h(+)
(2S)-flavan-4-ol + NADP(+) <=> (2S)-flavanone + NADPH + H(+)
(2s)-flavan-4-ol + nadp(+) <=> (2s)-flavanone + nadph + h(+)