当前位置: 首页 > 文章 > 脱敏魔芋粉制备集成技术初探及其对魔芋粉理化性质的影响 食品科学 2015,36 (2) 63-68
Position: Home > Articles > Preparation of Konjac Flour by Combined Use of Different Techniques and Its Physicochemical Properties FOOD SCIENCE 2015,36 (2) 63-68

脱敏魔芋粉制备集成技术初探及其对魔芋粉理化性质的影响

作  者:
孟凡冰;王小燕;范定涛;钟耕
单  位:
西南大学食品科学学院;西南大学食品科学与工程国家级本科实验教学中心;四川魔力科技有限公司;重庆西大魔芋科技开发有限公司
关键词:
魔芋粉;脱敏;技术集成;理化性质
摘  要:
为了有效脱除魔芋粉中的生物碱,从而扩大其应用范围,本研究开发出超微粉碎、酶处理、微波辅助乙醇萃取等集成技术。结果表明,魔芋粉目数在160目时,经过以上集成技术处理,其生物碱基本脱除干净,且处理后的魔芋粉溶胀性、亮度值相对于对照组有提高,黏度稳定性几乎不变。其形成的水凝胶网络结构稳定、抗剪切变形能力强。说明此技术可以用于制备脱敏魔芋粉,且还可以改善魔芋粉的部分理化性质。
译  名:
Preparation of Konjac Flour by Combined Use of Different Techniques and Its Physicochemical Properties
作  者:
MENG Fanbing;WANG Xiaoyan;FAN Dingtao;ZHONG Geng;College of Food Science, Southwest University;Chongqing Southwestern University Science and Technology Development Co. Ltd.;National Undergraduate Experimental Demonstration Teaching Center of Food Science and Engineering, Southwest University;Sichuan Magic Technology Co. Ltd.;
关键词:
konjac flour;;allergen removal;;integrated technology;;physicochemical property
摘  要:
In this study, we developed an integrated procedure using ultrafine grinding, α-amylase treatment and microwaveassisted extraction to prepare konjac flour with expanded applicability by removing alkaloids. The results indicated that alkaloids could be removed almost completely from 160-mesh konjac flour by the integrated methods. Compared with the control sample, the treated konjac flour had higher swelling ability and luminance value and also had a stable hydrogel network structure and a high ability of shear deformation resistance, but the viscosity stability almost remained constant. Therefore, this integrated procedure can be used to prepare alkaloid-free konjac flour with improved physicochemical properties.

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