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当前位置: 首页 > 文章 > 乳化剂对高直链玉米淀粉/羟丙基甲基纤维素复合膜性能的影响 食品工业科技 2016,37 (11) 259-264+280
Position: Home > Articles > Effects of emulsifiers on the properties of high- amylose corn starch/hydroxypropylmethylcellulose films Science and Technology of Food Industry 2016,37 (11) 259-264+280

乳化剂对高直链玉米淀粉/羟丙基甲基纤维素复合膜性能的影响

作  者：
陆慧玲;宋潘琳;王文涛;董海洲;侯汉学
单  位：
山东农业大学食品科学与工程学院
关键词：
高直链玉米淀粉;羟丙基甲基纤维素;复合膜;乳化剂;性能
摘  要：
本文以高直链玉米淀粉(HACS)、羟丙基甲基纤维素(HPMC)为成膜基材制备可食性食品包装膜。为解决两者在制膜过程中的相分离问题,通过力学性能、水溶性、结晶性能和表面形貌的分析,研究乳化剂的种类(单甘酯、吐温80、十二烷基硫酸钠)和添加量(1%,2%,3%)对HACS/HPMC复合膜性能的影响。X-射线衍射(XRD)分析表明,乳化剂主要通过与直链淀粉形成V型结晶结构而影响HACS/HPMC复合膜的性能。红外光谱(FT-IR)分析表明,添加乳化剂增加HACS与HPMC之间的氢键相互作用。添加2%单甘酯的复合膜综合性能最优,抗拉强度和断裂伸长率分别提高到10.24 MPa和15.86%,复合膜的截面与表面光滑平整。研究证明添加2%的单甘酯可有效的提高HACS与HPMC在成膜过程中的相容性,得到性能优良的复合膜。
译  名：
Effects of emulsifiers on the properties of high- amylose corn starch/hydroxypropylmethylcellulose films
作  者：
LU Hui-ling;SONG Pan-lin;WANG Wen-tao;DONG Hai-zhou;HOU Han-xue;College of Food Science and Engineering,Shandong Agricultural University;
关键词：
high-amylose corn starch;;hydroxypropylmethylcellulose;;film;;emulsifier;;properties
摘  要：
The edible films based on high-amylose corn starch( HACS) and hydroxypropylmethylcellulose( HPMC)were prepared for food packaging. In order to solve the problem of phase separation in the process of making films,the effects of types( monostearin,tween 80,sodium dodecyl sulfate) and adding amount( 1%,2%,3%) of emulsifiers on the properties of HACS/HPMC films were studied by determining mechanical properties,water solubility,crystallization properties and surface morphology. X-ray diffraction( XRD) analysis showed that the properties of HACS/HPMC films were affected by the V-type crystal structures formed between amylose and emulsifiers.FT-IR analysis showed that addition of emulsifiers to the composite films enhanced the hydrogen bonding interaction between HACS and HPMC. The total performance of the composite film with 2% monostearin was the best,the tensile strength and elongation at break were increased to 10.24 MPa and 15.86%,respectively.The cross section and surface of the film were smooth.This study proved that the compatibility of HACS and HPMC in the film forming process was improved by adding 2% monostearate and the composite film with excellent performance was obtained.

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