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Physicochemical properties and hepatoprotective effects of glycated Snapper fish scale peptides conjugated with xylose via maillard reaction.
Food and Chemical Toxicology ( IF 3.9 ) Pub Date : 2020-01-03 , DOI: 10.1016/j.fct.2020.111115 Xu Chen 1 , Fei Fang 2 , Shaoyun Wang 2
Food and Chemical Toxicology ( IF 3.9 ) Pub Date : 2020-01-03 , DOI: 10.1016/j.fct.2020.111115 Xu Chen 1 , Fei Fang 2 , Shaoyun Wang 2
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The physicochemical properties and hepatoprotective effects of fish scales peptides (FSP) and the glycated peptides conjugated with xylose via Maillard reaction (FSP-MRPs) were investigated. Results showed that the FSP was rich in oligopeptides within 2-10 amino acids, the degree of grafting of FSP-MRPs was 52.97 ± 1.58% and the antioxidant activities in vitro of FSP were improved through Maillard reaction. In order to investigate the antioxidant activities of FSP-MRPs after digestion, the simulated gastrointestinal digestion experiments of FSP and FSP-MRPs in vitro were conducted. Results indicated that the antioxidant activities of FSP and FSP-MRPs remained as stronger as before even under the digestive conditions. Furthermore, FSP-MRPs could significantly reduce the elevated activities of serum aspartate aminotransferase and alanine aminotransferase, decrease the elevated the levels of hepatic malondialdehyde and triglyceride, and inhibit the decrease of hepatic superoxide dismutase, catalase and glutathione peroxidase caused by alcohol-induced liver damage. These findings suggest that the glycated peptides formed by FSP and xylose via Maillard reaction may be potential to be exploited as a potential functional ingredient in food industry.
中文翻译：
通过美拉德反应与木糖缀合的糖化鲷鱼鱼鳞肽的理化性质和保肝作用。
研究了鱼鳞肽（FSP）和通过美拉德反应与木糖结合的糖基化肽（FSP-MRP）的理化性质和肝保护作用。结果表明，FSP在2-10个氨基酸内富含寡肽，FSP-MRPs的接枝度为52.97±1.58％，美拉德反应提高了FSP的体外抗氧化活性。为了研究FSP-MRPs消化后的抗氧化活性，进行了FSP和FSP-MRPs胃肠道体外模拟消化实验。结果表明，即使在消化条件下，FSP和FSP-MRPs的抗氧化活性仍与以前一样强。此外，FSP-MRPs可以显着降低血清天冬氨酸转氨酶和丙氨酸转氨酶的活性，降低肝丙二醛和甘油三酸酯的升高水平，并抑制酒精引起的肝损伤引起的肝脏超氧化物歧化酶，过氧化氢酶和谷胱甘肽过氧化物酶的降低。这些发现表明，由FSP和木糖通过美拉德反应形成的糖基化肽可能被潜在地用作食品工业中的潜在功能成分。
更新日期：2020-01-04
中文翻译：
通过美拉德反应与木糖缀合的糖化鲷鱼鱼鳞肽的理化性质和保肝作用。
研究了鱼鳞肽（FSP）和通过美拉德反应与木糖结合的糖基化肽（FSP-MRP）的理化性质和肝保护作用。结果表明，FSP在2-10个氨基酸内富含寡肽，FSP-MRPs的接枝度为52.97±1.58％，美拉德反应提高了FSP的体外抗氧化活性。为了研究FSP-MRPs消化后的抗氧化活性，进行了FSP和FSP-MRPs胃肠道体外模拟消化实验。结果表明，即使在消化条件下，FSP和FSP-MRPs的抗氧化活性仍与以前一样强。此外，FSP-MRPs可以显着降低血清天冬氨酸转氨酶和丙氨酸转氨酶的活性，降低肝丙二醛和甘油三酸酯的升高水平，并抑制酒精引起的肝损伤引起的肝脏超氧化物歧化酶，过氧化氢酶和谷胱甘肽过氧化物酶的降低。这些发现表明，由FSP和木糖通过美拉德反应形成的糖基化肽可能被潜在地用作食品工业中的潜在功能成分。
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