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Mulberry fruit powder enhanced the antioxidant capacity and gel properties of hammered minced beef: Oxidation degree, rheological, and structure

文献类型： 外文期刊

作者： Huang, Xiang 1 ; Sun, Lu 1 ; Dong, Kai 1 ; Wang, Guoze 1 ; Luo, Peng 1 ; Tang, Daobang 2 ; Huang, Qun 1 ;

作者机构： 1.Guizhou Med Univ, Sch Publ Hlth, Key Lab Environm Pollut Monitoring & Dis Control, Minist Educ, Guiyang 550025, Peoples R China

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

3.Chengdu Univ, Sch Food & Biol Engn, Meat Proc Key Lab Sichuan Prov, Chengdu 610106, Sichuan, Peoples R China

4.Guizhou Med Univ, Guian New Dist 550025, Guizhou, Peoples R China

关键词： Mulberry fruit powder; Myofibrillar protein; Gel properties; Antioxidant; Hammered minced beef

期刊名称：LWT-FOOD SCIENCE AND TECHNOLOGY （ 影响因子：6.056； 五年影响因子：6.295 ）

ISSN： 0023-6438

年卷期： 2022 年 154 卷

页码：

收录情况： SCI

摘要： The effects of mulberry fruit powder on the antioxidant capacity and gel properties of hammered minced beef, including oxidation degree, texture properties, rheological properties and protein structure, were investigated. The results manifested that the total antioxidant capacity (T-AOC) and DPPH free radical scavenging rate of minced beef were remarkably enhanced (P < 0.05) when the addition of mulberry fruit powder was 0.6%, while the contents of carbonyl and total sulfhydryl groups were reduced. Higher storage modulus (G ') and lower tan delta demonstrated that mulberry fruit powder conduced to the formation of a denser gel network structure and improved rheological properties. Furthermore, the improvement of hardness and resilience as well as the reduction of cooking loss rate suggested that mulberry fruit powder had a positive effect on maintaining the gel textural properties. Surface hydrophobicity and FT-IR analysis elucidated that mulberry fruit powder promoted the unfolding of protein structure and the transformation from alpha-helix to beta-sheet structure. Nevertheless, a high concentration of mulberry fruit powder (>= 1.0%) could jeopardize the structural properties and quality of minced meat gels. Thus, to maintain the good quality of meat products, both the addition of mulberry fruit powder and the oxidation degree should be controlled simultaneously.

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