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槟榔籽总酚提取工艺优化与抗氧化活性试

, PP. 134-139

Keywords: 槟榔籽,总酚,提取,响应面法,抗氧化活性

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Abstract:

为了探索槟榔籽中总酚提取的最佳工艺参数,在单因素试验的基础上以提取温度、提取时间和液料比为试验因素,以总酚含量为响应值,采用三因素五水平的响应面分析法进行试验。结果表明,3个因素对槟榔籽总酚提取含量的影响大小顺序为:提取温度、液料比、提取时间;槟榔籽中总酚提取的最佳工艺参数为:提取温度58℃、提取时间4h、液料比47mL/g,总酚含量的预测值为148.09mg/g,验证值为146.63mg/g。试验证明,响应面法对槟榔籽中总酚提取条件的优化是可行的,可用于实际预测。抗氧化活性试验表明,槟榔籽提取物具有较强清除DPPH自由基和ABTS自由基能力,其

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