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当前位置: 首页 > 文章 > 褐藻酸钠可食性膜制备工艺研究 水产科学 2016,35 (6) 708-712
Position: Home > Articles > Preparation Procedures of Edible Sodium Alginate Film Fisheries Science 2016,35 (6) 708-712

褐藻酸钠可食性膜制备工艺研究

作  者：
袁瑞;丛海花;汪秋宽;何云海;宋悦凡;任丹丹;梁雯雯
单  位：
大连海洋大学食品科学与工程学院国家海藻加工技术研发分中心辽宁省水产品加工及综合利用重点试验室
关键词：
可食性膜;褐藻酸钠;钙化;工艺优化
摘  要：
以褐藻酸钠、羟丙基甲基纤维素为原材料,通过混合水平正交试验,使用溶胶、混胶、脱气、倒胶、钙化、干燥工艺制备可食性膜,研究了不同褐藻酸钠/羟丙基甲基纤维素配比、溶胶温度、氯化钙质量浓度、钙化时间、褐藻酸钠质量浓度以及羟丙基甲基纤维素质量浓度对膜性能的影响,结果显示优化工艺参数为:10mg/mL褐藻酸钠和50mg/mL羟丙基甲基纤维素按质量配比1∶1混胶,10mg/mL的氯化钙钙化10min;所得膜的厚度为0.14mm,抗拉强度为2.97 MPa,透光率为64.09%,干燥质量损失率为9.97%,人工胃液崩解时间超过24h,人工肠液崩解为2.07h。本工艺较为简单,成膜性较好,为进一步制备植源性空心硬胶囊壳奠定理论和实践基础。
译  名：
Preparation Procedures of Edible Sodium Alginate Film
作  者：
YUAN Rui;CONG Haihua;WANG Qiukuan;HE Yunhai;SONG Yuefan;REN Dandan;LIANG Wenwen;Liaoning Provinal Key Laboratory of Fishery Processing and Complex Utilization,Branch of State Centre of Alga Processing Engineering,Food Science and Engineering College,Dalian Ocean University;
关键词：
edible film;;sodium alginate;;calcification;;technological optimization
摘  要：
This paper is mainly concerned about processing conditions and the properties of the edible sodium alginate film wich was prepared by sodium alginate(SA)and hydroxypropyl methyl cellulose(HPMC)as raw materials by procedures of dissolving,mixing,degassing,pouring,calcifying and drying.The technology was optimized by regulation of SA/HPMC ratio,dissolving temperature,CaCl2 concentration,calcification time,SA concentration and HPMC concentration in the orthogonal experiment.The findings indicated that the 10mg/mL of SA and 50mg/mL of HPMC were dissolved respectively and formed as gel solutions.The two gel solutions were mixed based on the mass ratio of 1∶1and then formed film by spreading the mixed gel on the plain container.The results showed that the formed film was calcified by 10mg/mL of CaCl2 for 10min.The calcified edible film was analyzed to have thickness of 0.14 mm,a tensile strength of 2.97 MPa,light transmittance of 64.09%,and drying weight loss of 9.97%.The artificial gastric juice disintegration time was found to be more than 24 hand artificial intestinal disintegration of2.07 h.This relatively simple process has good film-forming,laid the foundation of theory and practice for further research about process of plant-derived hard capsule with sodium alginate.

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