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| 碱解醇沉法提取玉米种皮中水溶性膳食纤维 | |
| 引用本文： | 郝瑞娟,吴眩,王周锋. 碱解醇沉法提取玉米种皮中水溶性膳食纤维[J]. 食品研究与开发, 2012, 33(1): 44-47 |
| 作者姓名： | 郝瑞娟 吴眩 王周锋 |
| 作者单位： | 1. 延安大学生命科学学院,陕西延安716000;陕西省区域生物资源保育与利用工程技术研究中心,陕西延安716000 2. 贵州大学动物科学学院,贵州贵阳,550025 3. 长安大学环境科学与工程学院,陕西西安,710054 |
| 基金项目： | 陕西省区域生物资源保育与利用工程技术研究中心(2010G2-03);延安大学细胞生物学重点学科建设专项基金(F0200223);遗传与细胞生物学教学团队基金(F100002) |
| 摘 要： | 以玉米种皮为原料,采用碱解醇沉的方法,对玉米种皮中水溶性膳食纤维提取工艺进行研究。结果表明,其最佳碱解工艺为碱解时间30 min,碱解温度50℃,氢氧化钠质量分数为1%;最佳醇沉条件为料醇比为1∶2(g/mL),醇沉时间30 min,醇沉温度40℃,制得的膳食纤维品质好。 |
| 关 键 词： | 玉米种皮 水溶性膳食纤维 碱解醇沉法 |
Extraction of Water-Soluble Dietary Fiber from Corn Seed Capsule by Methods of Alkali Solution and Alcohol Precipitation |
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| HAO Rui-juan , WU Xuan , WANG Zhou-feng. Extraction of Water-Soluble Dietary Fiber from Corn Seed Capsule by Methods of Alkali Solution and Alcohol Precipitation[J]. Food Research and Developent, 2012, 33(1): 44-47 | |
| Authors: | HAO Rui-juan WU Xuan WANG Zhou-feng |
| Affiliation: | 4,*(1.College of Life Science,Yan’an University,Yan’an 716000,Shaanxi,China;2.Shaanxi Engineering and Technological Research Center for Conversation and Utilization of Regional Biological Resources,Yan’an 716000,Shaanxi,China;3.College of Animal Science,Guizhou University,Guiyang 550025,Guizhou,China;4.College of Environmental Science and Engineering,Chang’an University,Xi’an 710054,Shaanxi,China) |
| Abstract: | Water-Soluble Dietary Fiber(SDF) extraction flow was studied combining methods of alkali solution and alcohol precipitation by use of corn spermoderm as raw materials.The results showed that the optimal extraction process as follows,the extraction time of alkali solution was 30 min,the temperature of alkali solution was 50 ℃,the mass fraction of sodium hydroxide was 1 %,the ratio of material to alcohol was 1∶2(g/mL),the time of alcohol precipitation was 30 min;the temperature of alcohol precipitation was 40 ℃. |
| Keywords: | corn spermoderm water-soluble dietary fiber methods of alkali solution and alcohol precipitation |
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