三 研究结果 石榴 1.石榴果皮褐变底物-单宁 250 UV:220nm UV:220nm J 200 采后生理与贮藏保鲜技术研究 150 (MH-w)uuo uuueL 3 10o 2 CEUsiu2EEto 60 21E.2E322 0 -20 50 10.0 0 0.10.20.30.40.50.60.7 Browning index of peel a b c HPLC of phenolic extract of unbrowned peel HPLC of phenolic extract of peelwith browning index 0.3 Relationship between tannin content and peel browning index of pomegranate fruit 谈西许柔大1.石榴果皮褐变底物-单宁 三、研究结果 0 1 2 3 4 5 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 Browning index of peel Tannin content(mg g -1 FW) a b c • HPLC of phenolic extract of unbrowned peel • HPLC of phenolic extract of peel with browning index 0.3 • Relationship between tannin content and peel browning index of pomegranate fruit