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蘋果渣多酚甲基丙烯酸納米材料合成與吸附研究
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“十二五”國家科技支撐計劃資助項目(2012BAK17B06,、2012BAD31B01)和農業(yè)部948重點資助項目(2011—G8(3))


Synthesis of Methylacrylic Acid Nanomaterials and Its Adsorption Study on Polyphenols
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    摘要:

    為了制備分離蘋果渣中多酚的納米材料,,通過改變甲基丙烯酸,、乙二醇二甲基丙烯酸酯,、偶氮二異丁腈和乙腈用量的試驗,,研究不同條件下甲基丙烯酸納米材料的成型,結合蘋果渣多酚提取液中多酚吸附試驗,確定最佳多酚吸附量的納米材料制備工藝。結果表明,,甲基丙烯酸納米材料的最佳制備工藝參數為:甲基丙烯酸(MAA)2.5mmol、乙二醇二甲基丙烯酸酯(EDMA)2.5mmol,、偶氮二異丁腈(AIBN)1.00mmol,、乙腈20mL,該條件下制備的納米材料對多酚吸附量為33.42mg/g,,解吸率為61.13%,。

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    China is the biggest concentrated apple juice producer in the world with a production of millions of tons of apple pomace every year. It is an important comprehensive utilizing approach by separating of polyphenols from apple pomace. A nano-material for adsorption of polyphenols from apple pomace was prepared. The moulding condition and preparation process of methylacrylic acid nano-materials was optimized by changing the dosage of methylacrylic acid(MAA), ethylene glycol dimethacrylate(EDMA), azodiisobutyronitrile(AIBN) and acetonitrile, using chemical precipitation method and field emission scanning electron microscopy, and conducting the experiments of adsorbing of polyphenols from apple pomace by the prepared nano-material, so as to provide reference for the comprehensive utilization of apple residue. The results showed that the best preparation condition of this material was methylacrylic acid of 2.5mmol, ethylene glycol dimethacrylate of 2.5mmol, azodiisobutyronitrile of 1.00mmol and acetonitrile of 20mL, under which the adsorption capacity of obtained nano-material to polyphenols could achieve to 33.42mg/g, and the desorption rate was 61.13% at the same time. 

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高振鵬,李振磊,袁亞宏,岳田利.蘋果渣多酚甲基丙烯酸納米材料合成與吸附研究[J].農業(yè)機械學報,2015,46(5):226-232. Gao Zhenpeng, Li Zhenlei, Yuan Yahong, Yue Tianli. Synthesis of Methylacrylic Acid Nanomaterials and Its Adsorption Study on Polyphenols[J]. Transactions of the Chinese Society for Agricultural Machinery,2015,46(5):226-232.

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  • 收稿日期:2014-08-25
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  • 在線發(fā)布日期: 2015-05-10
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