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蘋果汁中擬除蟲菊酯類和氨基甲酸酯類農(nóng)藥輻照降
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of Pyrethroids and Carbamate Pesticides in Apple Juice by Irradiation
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    摘要:

    采用60Co-γ射線輻照對蘋果汁中4種擬除蟲菊酯類農(nóng)藥和3種氨基甲酸酯類農(nóng)藥進行了降解，研究了不同輻照劑量對蘋果汁中農(nóng)藥的降解效果和蘋果汁主要理化指標(biāo)的影響,。結(jié)果表明,，60Co-γ射線輻照對兩類農(nóng)藥的降解作用都很顯著：輻照劑量為9kGy時菊酯類農(nóng)藥的降解率達到最大，其中,，氯菊酯65.72%,、氟氯氰菊酯94.14%,、氟氰戊菊酯72.41%和溴氰菊酯67.84%；輻照劑量為7?kGy時氨基甲酸酯類農(nóng)藥的降解率達到最大,，滅多威61.64%,、克百威76.55%和抗蚜威63.17%。60Co-γ射線輻照會使果汁的糖度輕微降低,，酸度略有增加,；蘋果汁的透光率和色值有所提高。

    Abstract:

    The pyrethroids and carbamate pesticides in apple juice were treated by 60Co-γ irradiation. The effect of irradiation dose on degradation rate of pesticides and changes of main chemical and physical indexes of apple juice were researched on system. The result shows that 6Co-γ irradiation can degrade both pyrethroids and carbamate pesticides effectively: when the irradiation dose was 9kGy, the degradation rate of pyrethroids is Permethrin 65.72%, Cyfluthrin 94.14%, Flucythrinate 72.41% and Deltamethrin 67.84%; when the irradiation dose is 7?kGy, the degradation rate of carbamate pesticides is Lannate 61.64%, Primicarb 76.55% and Carbofuran 63.17%. 60Co-γ irradiation could affect main chemical and physical indexes of apple juice to some extent, the soluble solid concentration and the total sugar content decrease slightly, the total acid content increases slightly, the transmittance and the color value significantly increase.

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惠衛(wèi)甲,岳田利,袁亞宏,高振鵬.蘋果汁中擬除蟲菊酯類和氨基甲酸酯類農(nóng)藥輻照降[J].農(nóng)業(yè)機械學(xué)報,2009,40(4):121-124. of Pyrethroids and Carbamate Pesticides in Apple Juice by Irradiation[J]. Transactions of the Chinese Society for Agricultural Machinery,2009,40(4):121-124.

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