| 均匀设计法对L-乳酸发酵培养基的优化 |
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| 引用本文： | 李明阳,赖富饶,吴晖,刘冬梅.均匀设计法对L-乳酸发酵培养基的优化[J].现代食品科技,2011(9):1127-1129. |
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| 作者姓名： | 李明阳 赖富饶 吴晖 刘冬梅 |
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| 作者单位： | 好丽友食品(广州)有限公司;华南理工大学轻工与食品学院; |
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| 摘 要： | 以玉米粉为碳源,添加一定量的豆粕粉和玉米浆干粉进行鼠李糖乳杆菌L-乳酸发酵,利用均匀设计法对培养基进行优化.结果表明当玉米粉、豆粕粉、玉米浆干粉的浓度分别为150 g/L、19.4 g/L、50g/L时,发酵所得L-乳酸的浓度达到最大值142.1 g/L,乳酸转化率为92.5％.
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| 关 键 词： | 鼠李糖乳杆菌 培养基优化 均匀设计 |
Optimization of Culture Media for L-lactic Acid Production by Uniform Design |
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| LI Ming-yang,LAI Fu-rao,WU Hui,LIU Dong-mei Co.,Ltd,Guangzhou ,China.Optimization of Culture Media for L-lactic Acid Production by Uniform Design[J].Modern Food Science & Technology,2011(9):1127-1129. |
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| Authors: | LI Ming-yang LAI Fu-rao WU Hui LIU Dong-mei Co Ltd Guangzhou China |
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| Affiliation: | LI Ming-yang1,LAI Fu-rao2,WU Hui2,LIU Dong-mei2(1.Orion Food(Guangzhou) Co.,Ltd,Guangzhou 510890,China)(2.College of Light Industry and Food Sciences,South China University of Technology,Guangzhou 510640,China) |
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| Abstract: | L-lactic acid fermentation by Lactobacillus casei subsp.rhamnosus was studied with the corn powder as carbon source.Some soybean meal powder and corn steep powder was added to improve the production of L-lactic acid.According to the uniform design,the optimum dosages of corn powder,soybean meal powder and corn steep powder in culture media were 150 g/L,19.4 g/L and 50 g/L,respectively,under which the maximum concentration and yield of L-lactic acid were 142.1 g/L and 92.5%,respectively. |
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| Keywords: | Lactobacillus casei culture media optimization uniform design |
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