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短波紫外線處理對香菇采后品質(zhì)的影響
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“十一五” 國家科技支撐計劃資助項目(2006BAD22B01)


Effect of UV—C Treatment on Post-harvest Storage Quality of Shiitake Mushrooms
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    摘要:

    研究了不同輻能流短波紫外線照射處理對采后香菇在4℃貯藏期間主要生理及品質(zhì)指標的影響。結(jié)果表明：經(jīng)2.0kJ/m2或4.0kJ/m2的短波紫外線處理后，可以顯著抑制香菇硬度和丙二醛(MDA)含量的上升,，延緩還原性糖與維生素C的下降并使維生素C含量維持在較高水平,，同時促進了類黃酮的次生代謝合成，從而較好地保持香菇的感官品質(zhì)和營養(yǎng)價值,，延長香菇的貯藏保鮮期,。這些結(jié)果表明，短波紫外線處理對采后香菇的貯藏保鮮具有潛在的應(yīng)用前景,。

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    The effects of different dose UV—C treatments on main physiological and quality parameters of shiitake mushrooms during storage were investigated. The experimental results indicated that 2.0kJ/m2 and 4.0kJ/m2 UV—C treatment significantly inhibits the increase in firmness and malonaldehyde (MDA) contents, delays the decrease in reducing sugar and vitamin C contents, and promotes synthesis and accumulation of flavonoid, therefore maintaining better quality, nutrition and extending the shelf life of shiitake mushrooms compared with the control treatment. The results suggested that UV—C treatment has the potential to apply on extending the shelf life of shiitake mushrooms.

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姜天甲,陸仙英,蔣振暉,裴明黎,應(yīng)鐵進.短波紫外線處理對香菇采后品質(zhì)的影響[J].農(nóng)業(yè)機械學報,2010,41(2):108-112. Jiang Tianjia, Lu Xianying, Jiang Zhenhui, Pei Mingli, Ying Tiejin. Effect of UV—C Treatment on Post-harvest Storage Quality of Shiitake Mushrooms[J]. Transactions of the Chinese Society for Agricultural Machinery,2010,41(2):108-112.

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