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Carboxymethyl chitosan-pullulan edible films enriched with galangal essential oil: Characterization and application in mango preservation

文献类型： 外文期刊

作者： Zhou, Wei 1 ; He, Yunxia 1 ; Liu, Fei 1 ; Liao, Liangkun 1 ; Huang, Xiaobing 1 ; Li, Ruyi 1 ; Zou, Ying 1 ; Zhou, Lei 2 ; Zo 1 ;

作者机构： 1.Chinese Acad Trop Agr Sci, Agr Prod Proc Res Inst, Minist Agr & Rural Affairs, Key Lab Trop Crop Prod Proc, Zhanjiang 524001, Guangdong, Peoples R China

2.Nanchang Univ, State Key Lab Food Sci & Technol, Nanchang 330047, Jiangxi, Peoples R China

3.Hainan Key Lab Storage & Proc Fruits & Vegetables, Zhanjiang 524001, Guangdong, Peoples R China

4.Guangdong Acad Agr Sci, Key Lab Funct Foods, Minist Agr & Rural Affairs, Sericultural & Agrifood Res Inst,Guangdong Key La, Guangzhou 510610, Guangdong, Peoples R China

关键词： Active packaging; Carboxymethyl chitosan; Pullulan; Galangal essential oil; Mango preservation

期刊名称：CARBOHYDRATE POLYMERS （ 影响因子：9.381； 五年影响因子：8.678 ）

ISSN： 0144-8617

年卷期： 2021 年 256 卷

页码：

收录情况： SCI

摘要： This study aimed to develop an active edible film based on carboxymethyl chitosan (CMCS) and pullulan (Pul) incorporated with galangal essential oil (GEO) by the casting method. And their physical properties, structural and preservation effect on mangoes were characterized. The CMCS/Pul ratio was determined to be 2.5:2.5 after the optimization of physical properties, mechanical properties and barrier properties of the blend film. The results of FT-IR and XRD showed that hydroxyl groups of Pul interacted with the carboxyl groups of CMCS and the blend films had good compatibility. Good thermal stability of CMCS/Pul-GEO films was further proven by TGA curves. The CMCS/Pul-8 %GEO film showed effective preservations on mango fruits during 15 days of storage at 25 +/- 1 degrees C, based on the characterization by fruits weight loss, firmness, titratable acidity, soluble solids. Consequently, CMCS/Pul-GEO blend films may be a promising eco-friendly packaging material for the industrial application of fruit preservation.

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