Preparation and characterization of chitosan derivatives modified with quaternary ammonium salt and quaternary phosphate salt and its effect on tropical fruit preservation
文献类型： 外文期刊
作者： Pan, Qingyan 1 ; Zhou, Chuang 1 ; Yang, Ziming 1 ; He, Zuyu 1 ; Wang, Chao 1 ; Liu, Yunhao 1 ; Song, Shuhui 1 ; Gu, Hui 1 ; Hong, Keqian 1 ; Yu, Lijuan 3 ; Qu, Yunhui 3 ; Li, Puwang 1 ;
作者机构： 1.Chinese Acad Trop Agr Sci, Key Lab Hainan Prov Postharvest Physiol & Technol, South Subtrop Crop Res Inst, Zhanjiang 524091, Peoples R China
2.Huazhong Agr Univ, Coll Food Sci & Technol, Wuhan 430070, Peoples R China
3.Yunan Acad Agr Sci, Agr Prod Proc Res Inst, Kunming 650000, Yunnan, Peoples R China
关键词： HACC; Quaternary phosphonium modification; Food packaging; Antibacterial; Composite films
期刊名称：FOOD CHEMISTRY （ 影响因子：9.231； 五年影响因子：8.795 ）
ISSN： 0308-8146
年卷期： 2022 年 387 卷
页码：
收录情况： SCI
摘要： In this paper, HACC modified with (5-Carboxypentyl) (triphenyl) phosphonium bromide (HA-CS-NP) was synthesized. Then, a multifunctional food packaging composite film with good thermal stability and antibacterial functions was fabricated by HA-CS-NP and poly (vinyl alcohol) (PVA). The tensile strength and elongation at break of HA-CS-NP/PVA composite film at the weight ratio of 3/7 were 20.32 +/- 1.02 MPa and 65.73 +/- 3.29%, respectively. And, the inhibition rates of HA-CS-NP (0.5%) on Mango C. lagenarium and Papaya C. gloeosporioides on day 6 were up to 80.92 +/- 4.12%. Compared with CK group, the weight loss of experimental groups were 23.96 +/- 2.46 g/206 +/- 7.25 g (mangoes) and 59.45 +/- 3.06 g/496 +/- 6.37 g (papaya), reduced by 35.76 +/- 1.15%. Moreover, the final hardness value of the fruits coated with composite films was 4.94 +/- 0.23 kg/cm(3) and increased by 20.79 +/- 1.04%, and the rot index was reduced by 71.43 +/- 3.24%. The multifunctional HA-CS-NP/ PVA coating has broad prospects in the application of food packaging.
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