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殼聚糖涂膜對(duì)蘋(píng)果虎皮病防治效果與機(jī)理研究
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“十一五”國(guó)家科技支撐計(jì)劃資助項(xiàng)目（2006BAK02A24）


Effects and Mechanism of Chitosan Coatings in the Control of Superficial Scald in Apples
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    以紅富士蘋(píng)果為試材，研究了殼聚糖涂膜處理對(duì)蘋(píng)果虎皮病的防治效果，并從α法尼烯的生成及氧化、膜結(jié)構(gòu)和功能及褐變相關(guān)酶活性變化3個(gè)方面探討殼聚糖涂膜對(duì)貯藏過(guò)程中蘋(píng)果生理變化的影響，以揭示其對(duì)虎皮病的作用機(jī)理。結(jié)果表明：殼聚糖涂膜可以抑制果實(shí)呼吸作用和乙烯的生成，降低α法尼烯生成及氧化產(chǎn)物共軛三烯的積累，降低膜脂過(guò)氧化作用，較好地保持細(xì)胞膜的完整性，抑制PPO活性的升高；殼聚糖涂膜處理對(duì)虎皮病有明顯的防治作用。

    Abstract:

    The effects of chitosan coatings on the control of superficial scald in “Fuji” apples were investigated, and the dynamic changes in αfarnesene production and oxidation, the texture and function of cell membrane and the activity of enzyme related with browning were also measured to reveal the mechanism of chitosan coatings in the superficial scald control. The results indicated that by chitosan coatings, the respiration rate and the ethylene production were inhibited, the production of αfarnesene and the accumulation of conjugated trienes were reduced, membrane lipid peroxidation was weakened and the integrity of cell membrane was kept, and the increase of polyphenoloxidase (PPO) activities was inhibited, the chitosan coating could effectively control the superficial scald in apples.

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呂新剛,劉興華,蔡露陽(yáng).殼聚糖涂膜對(duì)蘋(píng)果虎皮病防治效果與機(jī)理研究[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2011,42(3):131-135. Lü Xin’gang, Liu Xinghua, Cai Luyang. Effects and Mechanism of Chitosan Coatings in the Control of Superficial Scald in Apples[J]. Transactions of the Chinese Society for Agricultural Machinery,2011,42(3):131-135.

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