| 冠突散囊菌胞外多糖提取工艺研究 |
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| 引用本文： | 龚淑俐,邓放明,周向荣.冠突散囊菌胞外多糖提取工艺研究[J].现代食品科技,2007,23(2):48-50. |
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| 作者姓名： | 龚淑俐 邓放明 周向荣 |
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| 作者单位： | 湖南农业大学食品科技学院,湖南,长沙,410128;湖南农业大学食品科技学院,湖南,长沙,410128;湖南农业大学食品科技学院,湖南,长沙,410128 |
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| 摘 要： | 冠突散囊菌是茯砖茶生产过程中形成茯砖茶独特品质的优势菌。从茯砖茶中分离纯化出冠突散囊菌,进行液体深层发酵,并对其产生的胞外多糖提取条件进行了正交试验。试验结果表明,本次试验中最优的多糖提取条件为:冠突散囊菌液体发酵液浓缩至原体积的1/4,乙醇浓度95%,乙醇沉淀时间10h。
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| 关 键 词： | 冠突散囊菌 茯砖茶 液体发酵 胞外多糖 |
| 文章编号： | 1673-9078(2007)02-0048-03 |
| 收稿时间： | 2006/8/11 0:00:00 |
| 修稿时间： | 2006年8月11日 |
Extraction Techniques of Extracellular Polysaccharide of Eurotium cristatum |
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| GONG Shu-li,DENG Fang-ming,ZHOU Xian-rong.Extraction Techniques of Extracellular Polysaccharide of Eurotium cristatum[J].Modern Food Science & Technology,2007,23(2):48-50. |
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| Authors: | GONG Shu-li DENG Fang-ming ZHOU Xian-rong |
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| Abstract: | The Eurotium cristatum is the dominant germ in the production of Fuzhuan brick tea, contributing to the special quality of the tea. In this research, the Eurotium cristatum was separated from the Fuzhuan brick tea for submerged fermentation. Then the extracellular polysaccharides were separated after a 5-day liquid deep fermentation of the Eurotium cristatum. The results showed that the optimal ratio of condensed volume of fermentative liquor to the original, ethanol concentration and depositon time were 1:4, 95% and 10h, respectively. |
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| Keywords: | Eurotium cristatum Fuzhuan brick tea liquid fermentation extracellular polysaccharide |
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