化工进展
化工進展
화공진전
CHEMICAL INDUSTRY AND ENGINEERING PROGRESS
2010年
2期
297-303,322
,共8页
桔梗%多糖%复合膜%响应面
桔梗%多糖%複閤膜%響應麵
길경%다당%복합막%향응면
Radix platycodonis%polysaccharide%composite film%response surface
为了拓展桔梗多糖的应用领域及可食膜材料种类的单一性,利用玻璃板流延法制取多糖复合膜,采用响应面分析,研究了复合膜的制备配比,并测定其性能.结果表明:以抗拉强度(TS)为评价指标,复合膜的最佳配比条件为:桔梗多糖含量2.16%、海藻酸钠含量2.66%、甘油含量1.88%,此优化条件下的抗拉强度为7.875MPa;以耐折度(FE)为评价指标,复合膜的最佳配比条件为:桔梗多糖含量2.04%、海藻酸钠含量1.92%、甘油含量1.97%,此优化条件下的抗折度为167双折次.比较后,在多糖、海藻酸钠、甘油含量分别为2.0%、1.8%、2.0%的条件下,TS为7.875 MPa、FE为167双折次,综合指标最好.
為瞭拓展桔梗多糖的應用領域及可食膜材料種類的單一性,利用玻璃闆流延法製取多糖複閤膜,採用響應麵分析,研究瞭複閤膜的製備配比,併測定其性能.結果錶明:以抗拉彊度(TS)為評價指標,複閤膜的最佳配比條件為:桔梗多糖含量2.16%、海藻痠鈉含量2.66%、甘油含量1.88%,此優化條件下的抗拉彊度為7.875MPa;以耐摺度(FE)為評價指標,複閤膜的最佳配比條件為:桔梗多糖含量2.04%、海藻痠鈉含量1.92%、甘油含量1.97%,此優化條件下的抗摺度為167雙摺次.比較後,在多糖、海藻痠鈉、甘油含量分彆為2.0%、1.8%、2.0%的條件下,TS為7.875 MPa、FE為167雙摺次,綜閤指標最好.
위료탁전길경다당적응용영역급가식막재료충류적단일성,이용파리판류연법제취다당복합막,채용향응면분석,연구료복합막적제비배비,병측정기성능.결과표명:이항랍강도(TS)위평개지표,복합막적최가배비조건위:길경다당함량2.16%、해조산납함량2.66%、감유함량1.88%,차우화조건하적항랍강도위7.875MPa;이내절도(FE)위평개지표,복합막적최가배비조건위:길경다당함량2.04%、해조산납함량1.92%、감유함량1.97%,차우화조건하적항절도위167쌍절차.비교후,재다당、해조산납、감유함량분별위2.0%、1.8%、2.0%적조건하,TS위7.875 MPa、FE위167쌍절차,종합지표최호.
In order to expand the application of Radix platycodonis polysaccharide and broaden the slection for edible film materials, polysaccharide composite film was prepared by sheet glass flow casting, and the preparation conditions was optimized through response surface analysis. By using tensile strength as the evaluation indicator, the best preparation conditions were found as: Radix platycoclonis polysaccharide 2.16%, sodium alginate 2.66% and glycerin 1.88%, from which the tensile strength of the obtained composite film was 7.875 MPa. By using folding endurance as the evaluation indicator, the best preparation conditions were found as: Radix platycodonis polysaccharide 2.04%,sodium alginate 1.92% and glycerin 1.97%, from which the folding endurance of the obtained composite film was 167 double fold. With Radix platycodonis polysaccharide 2.0%, sodium alginate 1.8% and glycerin 2.0%, the obtained composite film had the best balanced properties with tensile strength of 7.875 MPa and folding endurance of 167 double fold.