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4-己基间苯二酚对鲜切牛蒡褐变及贮藏品质的影响

诸永志,王静,王道营,沙琴,徐为民,汪志君

SOUTHWEST CHINA JOURNAL OF AGRICULTURAL SCIENCES（2009）

Cited 23|Views6
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Abstract
本实验采用50、100和150 mg/kg三种浓度的4-己基间苯二酚(4-HR)溶液浸泡鲜切牛蒡15 min,于1 ℃贮存,考察鲜切牛蒡褐变情况及相关酶活性.试验结果表明:100 mg/kg 4-HR较好地延缓了鲜切牛蒡的褐变,降低了多酚氧化酶(PPO)、过氧化氢酶(POD)、苯丙氨酸解氨酶(PAL)和抗坏血酸过氧化物酶(APX)活性,抑制了丙二醛(MDA)和总酚(TP)含量的上升,具有较好的抑制褐变、保持品质的作用.
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