食品与发酵工业 >

2020 , Vol. 46 >Issue 24: 109 - 114

DOI: https://doi.org/10.13995/j.cnki.11-1802/ts.024929

生产与科研应用

蒸制和炸制对海鲈鱼肉体外消化特性的影响

  • 赵洪雷 ,
  • 冯媛 ,
  • 白旭婷 ,
  • 徐永霞 ,
  • 仪淑敏 ,
  • 励建荣 ,
  • 谢晶 ,
  • 郭晓华
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  • 1(渤海大学 实验中心,辽宁 锦州, 121013)
    2(渤海大学 食品科学与工程学院,海洋食品精深加工关键技术省部共建协同创新中心,辽宁 锦州, 121013)
    3(上海海洋大学 食品学院,上海, 201306)
    4(山东美佳集团有限公司,山东 日照, 276800)
硕士,讲师(徐永霞副教授为通讯作者,E-mail:xuyx1009@126.com)

收稿日期: 2020-07-02

  修回日期: 2020-07-30

  网络出版日期: 2021-01-13

基金资助

:国家重点研发计划项目(2018YFD0901004);辽宁省教育厅项目(LJ2019008);辽宁省一流学科项目(LNSPXKBD2020315)

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Effects of steaming and frying on digestive characteristics of Perca fluviatilis muscle in vitro

  • ZHAO Honglei ,
  • FENG Yuan ,
  • BAI Xuting ,
  • XU Yongxia ,
  • YI Shumin ,
  • LI Jianrong ,
  • XIE Jing ,
  • GUO Xiaohua
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  • 1(Laboratory Center, Bohai University, Jinzhou 121013, China)
    2(College of Food Science and Technology, Bohai University, Collaborative Innovation Center of Seafood Deep Processing, Jinzhou 121013, China)
    3(College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China)
    4(Shandong Meijia Group Co.Ltd, Rizhao 276800, China)

Received date: 2020-07-02

  Revised date: 2020-07-30

  Online published: 2021-01-13

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摘要

为研究蒸制和炸制对海鲈鱼肉体外消化特性的影响,利用胃蛋白酶-胰蛋白酶体外模拟消化法,通过测定蛋白消化率和粒径的变化结合激光共聚焦显微镜观察研究蒸制和炸制样品体外消化特性的差异,同时对其消化产物的抗氧化特性进行初步评价。结果表明,蒸制和炸制处理使海鲈鱼肉体外模拟消化后的蛋白消化率显著提高(P<0.05),消化液中蛋白聚集体的粒径显著降低(P<0.05),其中消化前60 min内蒸制样品的消化速率较快,而消化后期炸制样品的消化速率较快;随消化时间的延长,消化液中的蛋白质聚集体逐渐被分解成细小的颗粒。体外模拟消化会促进脂质的氧化,各组样品消化液的硫代巴比妥酸值随消化时间的延长先升高后又显著降低(P<0.05),其中炸制样品的脂肪氧化程度较高;消化液的Fe2+螯合能力随消化时间的延长明显提高,其中蒸制样品在消化终点时的Fe2+螯合能力最大,其抗氧化性较强。

关键词： 海鲈鱼; 蒸制; 炸制; 体外消化

本文引用格式

赵洪雷 , 冯媛 , 白旭婷 , 徐永霞 , 仪淑敏 , 励建荣 , 谢晶 , 郭晓华 . 蒸制和炸制对海鲈鱼肉体外消化特性的影响[J]. 食品与发酵工业, 2020 , 46(24) : 109 -114 . DOI: 10.13995/j.cnki.11-1802/ts.024929

Abstract

Pepsin and trypsin in vitro simulated digestion method was adopted to investigate the effects of steaming and frying on the in vitro digestion characteristics of Perca fluviatilis muscle. The differences in the in vitro digestion characteristics of steamed and fried samples were studied by determining the changes of protein digestibility and particle size in combination with the confocal laser scanning microscope (CLSM). At the same time, the antioxidant properties of the digested products were preliminarily evaluated. The results showed that the protein digestibility of Perca fluviatilis muscle was significantly increased after steaming and frying treatment (P<0.05), and the particle size of protein aggregates in the digestive juice was significantly reduced (P<0.05). Meanwhile, the digestion rate of the steamed sample was faster within 60 min of digestion, while that of the fried sample was faster in the late digestion period. With the prolongation of digestion time, the protein aggregates in the digestive juice were gradually decomposed into fine particles. Simulated digestion in vitro promoted the oxidation of lipids, and the TBA value of the digestive juice of each group first increased and then decreased significantly with the extension of digestion time (P<0.05), and the lipid oxidation degree of the fried sample was higher. The Fe2+ chelating ability of the digestive juice increased significantly with the extension of digestion time, among which the steamed sample had theargest Fe2+ chelating ability at the end of digestion and its antioxidant activity was relatively strong.

Key words： Perca fluviatilis; steaming; frying; in vitro digestion

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