‘八月脆’桃果实气调贮藏过程中品质及相关酶活性的变化

doi:10.11707/j.1001-7488.20080318

林业科学 ›› 2008, Vol. 44 ›› Issue (3): 81-86.doi: 10.11707/j.1001-7488.20080318

‘八月脆’桃果实气调贮藏过程中品质及相关酶活性的变化

魏文毅^1,2 王贵禧³ 梁丽松³ 樊金拴¹

1.西北农林科技大学,杨凌712100；2.黑龙江八一农垦大学,大庆163319；3.中国林业科学研究院林业研究所国家林业局林木培育实验室,北京100091

收稿日期:2007-05-16 修回日期:1900-01-01 出版日期:2008-03-25 发布日期:2008-03-25
通讯作者: 王贵禧

Changes of Quality and Some Enzyme Activities of 'Bayuecui' Peach during Controlled Atmosphere Storage

Wei Wenyi^1,2,Wang Guixi³,Liang Lisong³,Fan Jinshuan¹

1.Northwest Sci-Tech University of Agriculture & Forestry Yangling 712100; 2.HLJ August First Land Reclamation University Daqing 163319;3. Research Institute of Forestry CAF Beijing 100091

Received:2007-05-16 Revised:1900-01-01 Online:2008-03-25 Published:2008-03-25

摘要/Abstract

摘要： 为寻求减轻桃低温冷害的有效方法和提高桃贮藏保鲜效果的措施,以‘八月脆’桃为试材,研究气调贮藏(0～1℃,10%O₂+10%CO₂)和冷藏(0～1℃)条件下果实品质特性及几种酶活性的变化。结果表明:与冷藏相比,气调贮藏能延迟‘八月脆’桃果实出现褐变的时间并降低果实的褐变程度,显著提高可溶性糖含量和过氧化氢酶(CAT)活性,降低果实组织细胞膜的透性,同时在贮藏的后半期多酚氧化酶(PPO)活性显著提高,而过氧化物酶(POD)的活性受到明显的抑制。气调贮藏的效果显著好于冷藏对照。

关键词: ‘八月脆’桃, 气调贮藏, 品质, 酶活性

Abstract: Peach fruits (Amygdalus persica 'Bayuecui') were stored in air (CK) and controlled atmosphere (CA,10%O₂+10%CO₂) at 0～1 ℃ to evaluate the storage effect. The fruit firmness, juice extraction rate, membrane permeability, pectinesterase(PE), polygalacturonase (PG), polyphenol oxidase (PPO), catalase (CAT) and peroxidase (POD) activities as well as flesh browning were measured and analyzed. The results showed that CA-stored peach fruits remained the better consumer quality than CK did. Not only relayed the appearance of flesh browning, but also significantly decreased the degree of flesh browning. It significantly increased the content of soluble sugar, the activity of CAT during the entire storage, and the activity of PPO at the later stage of storage. The activity of POD and membrane permeability were inhibited significantly (P<0.05). It was found that peach fruits stored for up to 60 d in CA had no unacceptable loss of quality, while the storage time in CK was only 30 d with the same fruit quality.

Key words: 'Bayuecui' peach, controlled atmosphere storage, quality attributes, enzyme activity

魏文毅;王贵禧梁丽松樊金拴. ‘八月脆’桃果实气调贮藏过程中品质及相关酶活性的变化[J]. 林业科学, 2008, 44(3): 81-86.

Wei Wenyi;Wang Guixi;Liang Lisong;Fan Jinshuan. Changes of Quality and Some Enzyme Activities of 'Bayuecui' Peach during Controlled Atmosphere Storage[J]. Scientia Silvae Sinicae, 2008, 44(3): 81-86.

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‘八月脆’桃果实气调贮藏过程中品质及相关酶活性的变化

Changes of Quality and Some Enzyme Activities of 'Bayuecui' Peach during Controlled Atmosphere Storage

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