(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(+)