采后BTH处理对不同品种芒果果实防御酶活性影响

doi:10.7506/spkx1002-6630-201020099

食品科学 ›› 2010, Vol. 31 ›› Issue (20): 469-472.doi: 10.7506/spkx1002-6630-201020099

采后BTH处理对不同品种芒果果实防御酶活性影响

潘永贵，刘新华，黎寿英

海南大学食品学院

收稿日期:2010-06-22 修回日期:2010-09-11 出版日期:2010-10-25 发布日期:2010-12-29
通讯作者: 潘永贵 E-mail:yongui123@126.com
基金资助:
海南省自然科学基金项目(310032)；海南大学(原华南热带农业大学)博士启动基金项目(Rndy0704)

Effect of BTH Treatment on Defense Enzymes in Postharvest Mango Fruits from Different Varieties

PAN Yong-gui，LIU Xin-hua，LI Shou-ying

College of Food Science and Technology, Hainan University, Haikou 570228, Chin

Received:2010-06-22 Revised:2010-09-11 Online:2010-10-25 Published:2010-12-29
Contact: PAN Yong-gui E-mail:yongui123@126.com

摘要/Abstract

摘要：

以“象牙”和“台农”芒果为试材，研究BTH 处理对2 个不同品种芒果果实中主要防御酶—— PAL、PPO 和POD 活性的影响，以探讨其增强不同果实抗病性的机理。结果表明：在整个贮藏过程中，“台农”果实本身3 种酶的活性均明显高于“象牙”果实；而经BTH 处理后，对2 个品种的芒果果实，均刺激了3 种酶活性的上升，并且“台农”果实上升幅度明显高于“象牙”果实。BTH 处理增强果实抗病性与刺激PAL、PPO 和POD 活性上升均有关系，并且对台农果实作用明显大于象牙果实。

关键词: 芒果, BTH, 防御酶

Abstract:

Nang klangwan and Tainong mango fruits were used as the experimental subjects to conduct BTH treatments. The effect of BTH treatment on the activities of major defense enzymes such as phenylalanine ammonia-lyase (PAL), polyphenoloxiase (PPO) and peroxidase (POD) in postharvest fruits was evaluated to explore the disease-resistance mechanisms of mango fruits from different varieties. Results indicated that the activities of PAL, PPO and POD in Tainong mango fruits were obvious higher than those in Nang klangwan mango fruits during storage. However, after treated with BTH, the Mango fruits from both varieties exhibited an obvious increase in the activities of three enzymes. Meanwhile, more increase in the activities of three enzymes was observed in Tainong mango fruits. In addition, there was an obvious correlation between BTH-induced enhancement of disease resistance and the activities of PAL, PPO and POD in fruits.

Key words: mango, BTH, defense enzyme

中图分类号:

S667.7

潘永贵，刘新华，黎寿英. 采后BTH处理对不同品种芒果果实防御酶活性影响[J]. 食品科学, 2010, 31(20): 469-472.

PAN Yong-gui，LIU Xin-hua，LI Shou-ying. Effect of BTH Treatment on Defense Enzymes in Postharvest Mango Fruits from Different Varieties[J]. FOOD SCIENCE, 2010, 31(20): 469-472.

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采后BTH处理对不同品种芒果果实防御酶活性影响

Effect of BTH Treatment on Defense Enzymes in Postharvest Mango Fruits from Different Varieties

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