A promising insight into the inhibition of lipid oxidation, protein degradation and biogenic amine accumulation in postmortem fish: Functional glazing layers of modified bio-polymer
文献类型： 外文期刊
作者： Hui, Xiaodan 1 ; Wan, Yu 1 ; Dong, Hao 3 ; Peng, Jian 4 ; Wu, Weiliang 1 ; Yang, Xingfen 1 ; He, Qi 1 ;
作者机构： 1.Southern Med Univ, Sch Publ Hlth, Guangdong Prov Key Lab Trop Dis Res, BSL 3 Lab Guangdong, Guangzhou 510515, Peoples R China
2.Shenzhen Univ, South China Hosp, Shenzhen 518116, Peoples R China
3.Zhongkai Univ Agr & Engn, Coll Light Ind & Food Sci, Guangzhou 510225, Peoples R China
4.Guangdong Acad Agr Sci, Sericultural & Agrifood Res Inst, Key Lab Funct Foods, Guangdong Key Lab Agr Prod Proc,Minist Agr & Rural, Guangzhou 510640, Peoples R China
关键词： Chitosan; Tangerine peel; Essential oils; Oreochromis niloticus
期刊名称：LWT-FOOD SCIENCE AND TECHNOLOGY （ 影响因子：6.0； 五年影响因子：6.0 ）
ISSN： 0023-6438
年卷期： 2023 年 177 卷
页码：
收录情况： SCI
摘要： This study focused on a glazing layer made by modified bio-polymer to inhibit chemical variations in super -chilled postmortem fish. Essential oils were extracted from tangerine peel and their major antioxidant and antimicrobial components were identified. The essential oils were introduced into chitosan material as functional agents to improve the performance as freshness-keeping glazing layers for super-chilled tilapia. During the storage, antimicrobial effects of glazing significantly decreased the bacterial growth, as the growth of total bacterial count (TBC) decreased from-12.8 log CFU/g to -3.5 log CFU/g and that of total aerobic count (TAC) decreased from-11.1 log CFU/g to -3.3 log CFU/g. Antioxidant effects of glazing led to decreases of peroxide value (PV) from 6.41 meq/kg to-2.5 meq/kg and thiobarbituric acid reactive substances (TBARS) content from 1.09 mg MDA/kg to -0.5 mg MDA/kg at the end of the storage. Glazing inhibited the change of corruption degree reflected by K-value and protein decomposition reflected by the contents of trichloroacetic acid (TCA) soluble peptides and total volatile basic nitrogen (TVB-N). Glazing also limited the contents of main biogenic amines (histamine, putrescine, cadaverine, spermine, spermidine, tyramine, tryptamine) within relatively low levels.
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