[关键词]
[摘要]
研究了絮凝剂在甜叶菊提取液的澄清过程中的作用,选出最适絮凝剂,并对其澄清效果进行实验,确定了最佳的絮凝条件:温度为65~70 ℃,pH值为9~10,添加絮凝剂用量为4.5 g/L,作用时间为40 min左右。
[Key word]
[Abstract]
The effect of flocculation on the clarifying treatment of Stevia rebaudiana Bertoni extracts and the selection of the most suitable flocculant were studied. The optimal temperature, pH value, flocculant dosage and time of the flocculation were 65~70 ℃, 9~10, 4.5 g/L and 40min, respectively
[中图分类号]
[基金项目]
广州市科技局项目(2006J1-C0251);广东省科技计划支持项目(2005A20303002)