| 马铃薯渣提取果胶的工艺条件研究 |
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| 引用本文： | 廖原,刘刚,邵士俊,郭勇.马铃薯渣提取果胶的工艺条件研究[J].安徽农业科学,2011,39(35):21770-21771,21796. |
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| 作者姓名： | 廖原 刘刚 邵士俊 郭勇 |
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| 作者单位： | 中国科学院兰州化学物理研究所,中国科学院西北特色植物资源化学重点实验室,甘肃省天然药物重点实验室,甘肃兰州730000 |
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| 基金项目： | 现代农业产业技术体系建设专项资金资助"马铃薯加工废弃物利用和污染控制" |
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| 摘 要： | 目的]为马铃薯废渣提取果胶的企业生产工艺改进提供依据。方法]采用改进的柠檬酸抽提法提取马铃薯果胶,通过超滤浓缩和喷雾干燥得到果胶产品。以果胶产率为指标,对提取工艺进行了优化。结果]马铃薯渣提取果胶的最佳工艺条件：pH为2,提取温度90℃,提取时间60 min,得到果胶提取液,然后通过超滤浓缩和喷雾干燥的方法得到果胶产品,果胶的提取率达17.9%。结论]采用柠檬酸抽提、超滤浓缩和喷雾干燥工艺得到马铃薯果胶产品,该工艺过程简单,产率高,可操作性强。
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| 关 键 词： | 马铃薯渣 果胶 酸解 超滤 喷雾干燥 |
Study on Extraction Process of Potato Pulp Pectin |
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| Institution: | LIAO Yuan et al(Key Laboratory for Natural Medicine of Gansu Province,Key Laboratory of Chemistry of Northwestern Plant Resources,Lanzhou Institute of Chemical Physics,Chinese Academy of Sciences,Lanzhou,Gansu 730000) |
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| Abstract: | Objective] To provide references for improving the enterprise production technology of pectin extraction from potato pulp.Method] Improved extraction method of critic acid was used to extract potato pulp pectin,through ultrafiltration and spraying drying,the final pectin products were obtained,with the yield of pectin as index,the extraction technology was optimized.Result] The optimal extraction pH,extraction temperature and extraction time were 2,90 ℃ and 60 min,respectively.Then the pectin products were obtained from the extract by using ultrafiltration and spray drying.The yield of pectin extraction rate reached 17.9%.Conclusion] The potato pectin products were obtained through a series of procedures such as citric acid extraction,ultrafiltration and spraying drying,the technical process was simple and workable,and the yield was high. |
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| Keywords: | Potato pulp Pectin Acid extraction Ultrafiltration Spray drying |
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