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食品研究与开发:2017,38(11):95-99
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混合发酵法制备韭籽粕水溶性膳食纤维
孙婕1,尹国友1,王超2,王琦3,李文建1,张现青1
(1. 河南城建学院 生命科学与工程学院,河南 平顶山 467036;2. 杭州师范大学 生命与环境科学学院, 浙江 杭州 310036;3. 加拿大农业与食品部 圭尔夫研究与发展中心,加拿大 安大略 圭尔夫 N1G5C9)
Preparation of Soluble Dietary Fiber from Chinese Leek Seed Meal by Mixed Fermentation
SUN Jie1, YIN Guo-you1, WANG Chao2, WANG Qi3, LI Wen-jian1, ZHANG Xian-qing1
(1. College of Life Science and Engineering, Henan University of Urban Construction, Pingdingshan 467036, Henan, China; 2. College of Life and Environmental Sciences, Hangzhou Normal University, Hangzhou 310036, Zhejiang, China; 3. Guelph Food Research Centre, Agriculture and Agri-Food Canada, Guelph N1G5C9, Ontario, Canada)
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投稿时间:2016-08-18    
中文摘要: 采用混合发酵法,从韭籽粕中制备水溶性膳食纤维。通过单因素试验确定料液比、发酵时间、混合菌体积比 例和接种量的最适水平,再通过 L9(34)正交试验确定最佳工艺条件。混合发酵法制备韭籽粕水溶性膳食纤维的最佳 工艺为:料液比为 1 ∶ 20(g/mL),发酵时间 72 h,混合菌体积比例 2 ∶ 1,接种量为 10 %,水溶性膳食纤维的得率达到33.28 %。通过混合发酵法制备的水溶性膳食纤维溶胀度和持水力分别达到 11.52 mL/g 和 7.32 g/g,符合高品质膳食纤 维的要求。
Abstract:In this study, we studied the preparation of soluble dietary fiber from Chinese leek seed meal by mix-fermentation and investigated the effects of ratios of material and liquid, fermentation time, the proportion of mixed bacteria and inoculum on yield of SDF by single factor. Then the extraction technology was optimized by L9(34) orthogonal test to determine the best process conditions. The optimal extraction process was found as follows: ratios of material and liquid is 1 ∶ 20 (g/mL), fermentation time was 72 hours, the proportion of mixed bacteria was 2 ∶ 1 and the inoculum was 10 %, the yield of soluble dietary fiber was 33.28 %. Moreover, the de- gree of swelling of soluble dietary fiber preparation and holding capacity reached 11.52 mL/g and 7.32 g/g sepa- rately, in line with the requirements of high-quality dietary fiber.
文章编号:201711021     中图分类号:    文献标志码:A
基金项目:河南省科技计划重点科技攻关项目(132102210192; 152102210091);河南省产学研合作项目(152107000052);河南省高 等学校重点科研项目(17A550008)
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