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減壓貯藏技術(shù)對水蜜桃采后能量代謝的影響
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國家自然科學(xué)基金資助項目（31340053）和國家重點基礎(chǔ)研究發(fā)展計劃（973計劃）資助項目（2013CB127103）


Effects of Hypobaric Storage on Postharvest Energy Metabolism in Juicy Peach
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    研究了（10±5） kPa和（80±5） kPa 2個不同減壓壓力處理及常規(guī)冷藏條件下水蜜桃貯藏期間能量相關(guān)物質(zhì)三磷酸腺苷（ATP）、二磷酸腺苷（ADP）、磷酸腺苷（AMP）含量和能荷（EC）以及 H+-ATPase、Ca2+-ATPase、琥珀酸脫氫酶（SDH）、細(xì)胞色素氧化酶（CCO）等線粒體呼吸代謝相關(guān)酶活性變化。結(jié)果表明，減壓貯藏能較好地保持SDH、CCO、H+-ATPase和Ca2+-ATPase等酶活性，使ATP 含量和能荷在整個貯藏期間均維持在較高水平；采用（10±5） kPa壓力處理更有利于維持采后貯藏的能量水平并保持相關(guān)酶活性。減壓技術(shù)在采后保鮮上的作用與能量代謝相關(guān)。

    Abstract:

    The effect of hypobaric storage under different pressures on the energy metabolism of juicy peach fruit were studied. The pressures were controlled at (10±5) kPa and (80±5) kPa, respectively with air storage as control. Contents of ATP, ADP, AMP and energy charge, and the activities of mitochondria respiratory metabolism-related enzyme H+-ATPase, Ca2+-ATPase, succinic dehydrogenase (SDH), cytochrome C oxidase (CCO) were determined during storage. The results indicated that the hypobaric storage significantly maintained higher H+-ATPase, Ca2+-ATPase, SDH and CCO activities, and inhibited the decreases of contents of ATP and energy charge level. Hypobaric storage under (10±5) kPa pressure was more conducive to maintain energy level and the activities of mitochondria respiratory metabolism-related enzyme. These results suggested that the benefits of hypobaric storage associated with energy metabolism.

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陳文烜,宋麗麗,廖小軍.減壓貯藏技術(shù)對水蜜桃采后能量代謝的影響[J].農(nóng)業(yè)機械學(xué)報,2014,45(10):226-230. Chen Wenxuan, Song Lili, Liao Xiaojun. Effects of Hypobaric Storage on Postharvest Energy Metabolism in Juicy Peach[J]. Transactions of the Chinese Society for Agricultural Machinery,2014,45(10):226-230.

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  • 收稿日期:2014-05-07
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  • 在線發(fā)布日期: 2014-10-10
  • 出版日期: 2014-10-10