an anthocyanidin with a 3-hydroxy group + 2 NADPH + 2 H(+) => a (2S,3S)-flavan-3-ol + 2 NADP(+)
an anthocyanidin with a 3-hydroxy group + 2 nadph + 2 h(+) => a (2s,3s)-flavan-3-ol + 2 nadp(+)
an anthocyanidin with a 3-hydroxy group + 2 NADPH + 2 H(+) => a (2S,3S)-flavan-3-ol + 2 NADP(+)
an anthocyanidin with a 3-hydroxy group + 2 nadph + 2 h(+) => a (2s,3s)-flavan-3-ol + 2 nadp(+)