次氯酸钠水浴处理对板栗呼吸和几种酶活性的影响

doi:10.11707/j.1001-7488.20070207

林业科学 ›› 2007, Vol. 43 ›› Issue (02): 37-42.doi: 10.11707/j.1001-7488.20070207

次氯酸钠水浴处理对板栗呼吸和几种酶活性的影响

杨小胡^1,2 梁丽松¹ 王贵禧¹ 石雪晖³

1.中国林业科学研究院林业研究所国家林业局林木培育重点实验室,北京100091；2.湖南省林业科学院长沙410004；3.湖南农业大学园艺园林学院,长沙410128

收稿日期:2006-05-09 修回日期:1900-01-01 出版日期:2007-02-25 发布日期:2007-02-25

Effects of Sodium Hypochlorite Solution Water-Curing Treatment on Respiration and Amylase Activity of Chestnut

Yang Xiaohu^1,2 Liang Lisong¹ Wang Guixi¹ Shi Xuehui³

1. The Research Institute of Forestry, The Chinese Academy of Forestry Key Laboratory of Forest Silviculture of State Forestry Administration Beijing 100091;2. Hunan Forestry Academy Changsha 410004; 3. Horticulture and Landscape College of Hunan Agriculture University Changsha 410128

Received:2006-05-09 Revised:1900-01-01 Online:2007-02-25 Published:2007-02-25

摘要/Abstract

摘要：

以‘燕昌’板栗为试材,研究采后不同浓度NaClO水浴处理对板栗贮藏生理代谢的影响。结果表明:NaClO水浴处理使板栗呼吸强度和淀粉酶活性降低,乙醇脱氢酶(ADH)活性升高;NaClO水浴处理使板栗内部PPO活性降低,对外部PPO活性的影响与NaClO浓度相关,1000mg·L^-1NaClO处理使板栗外部PPO活性一直高于对照,而100mg·L^-1NaClO和500mg·L^-1NaClO处理使外部PPO活性降低;NaClO水浴处理使板栗内部POD活性降低,对外部POD活性的影响与NaClO浓度相关,1000mg·L^-1NaClO处理使板栗外部POD活性增加,其他处理在贮藏前期降低了外部POD活性,但在后期使外部POD活性升高;100mg·L^-1NaClO和500mg·L^-1NaClO处理使板栗SOD活性升高,而1000mg·L^-1NaClO处理则使SOD活性降低;NaClO处理板栗的CAT活性变化趋势与对照相似,但提高了CAT活性。

关键词: 板栗, 次氯酸钠, 水浴处理, 呼吸强度, 酶活性

Abstract:

In this paper, the effects of different concentrations (100, 500, 1 000 mg·L^-1 ) of sodium hypochlorite solution water-curing treatment on physiological changes of chestnut (Castanea mollissima cv. Yanchang)were studied during postharvest MA storage. The results were as follows: 1) NaClO water-curing treatment could decrease respiratory intensity and amylase activity, but increase ADH activity of chestnut; 2) NaClO water-curing treatment could inhibit intra-PPO activity, extra-PPO activity was related with concentrations of NaClO solution. The extra-PPO activity of chestnut treated with 1 000 mg·L^-1 NaClO solution was higher than that of CK at all times. However, 100 mg·L^-1 or 500 mg·L^-1 NaClO solution water-curing treatment made extra-PPO activity lower than CK. 3) NaClO water-curing treatment could restrain intra-POD activity, extra-POD activity was related with concentrations of NaClO solution. Extra-POD activity of chestnut treated with 1 000 mg·L^-1 NaClO solution was higher than that of CK. However, extra-POD activity was lower in the early storage and higher in the later treated with 100 mg·L^-1 or 500 mg·L^-1 NaClO solution. 4) SOD activities were higher than CK by 100 mg·L^-1 NaClO or 500 mg·L^-1 NaClO solution treatment, but SOD activity was lower than CK by 1 000 mg·L^-1 NaClO solution treatment. 5) There were no differences between NaClO water-curing treatments and CK on the changing trends of CAT activities, but CAT activity was improved by NaClO water-curing treatment.

Key words: chestnut, sodium hypochlorite, water_curing treatment, respiratory intensity, enzyme activity

杨小胡;梁丽松王贵禧石雪晖. 次氯酸钠水浴处理对板栗呼吸和几种酶活性的影响[J]. 林业科学, 2007, 43(02): 37-42.

Yang Xiaohu;Liang Lisong Wang Guixi Shi Xuehui. Effects of Sodium Hypochlorite Solution Water-Curing Treatment on Respiration and Amylase Activity of Chestnut[J]. Scientia Silvae Sinicae, 2007, 43(02): 37-42.

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次氯酸钠水浴处理对板栗呼吸和几种酶活性的影响

Effects of Sodium Hypochlorite Solution Water-Curing Treatment on Respiration and Amylase Activity of Chestnut

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