| 紫色甘薯皮中原花青素提取工艺研究 |
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| 引用本文： | 黄琼,陈婵,彭宏. 紫色甘薯皮中原花青素提取工艺研究[J]. 江西农业学报, 2009, 21(7): 130-133 |
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| 作者姓名： | 黄琼 陈婵 彭宏 |
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| 作者单位： | 福建农业职业技术学院,福建,福州,350007;福建农业职业技术学院,福建,福州,350007;福建农业职业技术学院,福建,福州,350007 |
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| 摘 要： | 对紫色甘薯皮中原花青素的提取工艺进行了研究,分析了乙醇浓度、提取温度、提取时间、料液比、pH值以及提取次数对原花青素提取率的影响,在单因素试验的基础上,通过正交试验筛选出最佳的提取工艺条件:即以70%乙醇为提取液、调节提取液pH 6.0、料液比为1∶10、提取温度80℃、浸提2次,每次2.0 h,在此条件下,原花青素提取率为1.3960%。
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| 关 键 词： | 紫色甘薯皮 原花青素 提取工艺 |
Study on Extraction of Proanthocyanidins from Sweet Potato Skin |
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| HUANG Qiong,CHEN Chan,PENG Hong. Study on Extraction of Proanthocyanidins from Sweet Potato Skin[J]. Acta Agriculturae Jiangxi, 2009, 21(7): 130-133 |
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| Authors: | HUANG Qiong CHEN Chan PENG Hong |
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| Affiliation: | Fujian Vocational College of Agriculture;Fuzhou 350007;China |
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| Abstract: | The technology of extraction of proanthocyanidins from sweet potato skin was studied.The effects of five factors such as the ethanol concentration,temperature of extraction,time of extraction,ratio of solid to liquid,pH-value and extraction times were investigated.Through orthogonal test,the following optimum conditions for extraction were obtained on the basis of single factor test: 70% ethanol as solvent,ratio of solid to liquid 1∶10,pH6.0,80℃ for 2.0h and 2 times extraction.The extraction percentage of proanthocyanidins from sweet potato skin was 1.3960% under the optimum conditions. |
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| Keywords: | Sweet potato skin Proanthocyanidin Extraction |
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