Soluble soybean polysaccharide/gelatin active edible films incorporated with curcumin for oil packaging

被引:90
作者
Dong, Yitong [1 ]
Rao, Zhilu [1 ]
Liu, Yanchun [1 ]
Zheng, Xuejing [1 ]
Tang, Keyong [1 ]
Liu, Jie [1 ]
机构
[1] Zhengzhou Univ, Sch Mat Sci & Engn, Zhengzhou 450001, Henan, Peoples R China
关键词
Soluble soybean polysaccharide; Gelatin; Edible films; Curcumin; Oil packaging; Antioxidant; ANTIMICROBIAL ACTIVITY; ANTIOXIDANT ACTIVITY; BIO-NANOCOMPOSITE; KAPPA-CARRAGEENAN; FISH GELATIN; CHITOSAN; FOOD;
D O I
10.1016/j.fpsl.2023.101039
中图分类号
TS2 [食品工业];
学科分类号
0832 ;
摘要
An edible film based on soluble soybean polysaccharide (SSPS) and gelatin incorporating curcumin was fabri-cated as active packaging material for soybean oil. The effect of curcumin (Cur) on structural and physical properties of SSPS/gelatin films were investigated. Scanning electron microscopy revealed that curcumin was evenly distributed in the SSPS/gelatin matrix. Hydrogen bonding interactions between SSPS/gelatin and cur -cumin were unveiled by Fourier-transform infrared spectroscopy. The addition of curcumin (0-0.20 %) significantly increased the tensile strength, temperature of maximum mass loss rate, yellow index, transparency value and water contact angle from 2.3 to 5.5 MPa, 249-252 degrees C, 2.04-183.07, 0.51-1.63, and 70.7-98.6 degrees, respectively. The DPPH and ABTS radical scavenging activities of the SSPS/gelatin film containing 0.20% cur -cumin were 42.6 % and 99.6 %, respectively, which were remarkably higher than those of neat SSPS/gelatin film. The SSPS/gelatin/Cur composite films showed antibacterial activity against Escherichia coli and Staphylo-coccus aureus. The heat-sealed SSPS/gelatin/Cur pouch of soybean oil showed quick-dissolving property upon contact with hot water. Moreover, peroxide value results indicated that the SSPS/gelatin/Cur pouch could effectively delay the soybean oil oxidation under accelerated storage conditions. Therefore, the SSPS/gelatin/Cur composite films may be served as active packaging materials for edible oils.
引用
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页数:11
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