Antioxidant,Anti-inflammatory and Immunomodulatory Effects of Abalone Hydrolytic Peptide
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摘要: 探讨了复合酶解法制备的鲍鱼水解肽（AHP）的理化性质以及抗氧化、抗炎、调节免疫的作用效果。以自由基清除能力为依据，研究了其抗氧化能力；以对LPS诱导小鼠肺泡巨噬细胞（MH-S）白细胞介素与肿瘤坏死因子α（TNF-α）分泌活性的影响为依据，研究其抗炎作用；经口灌胃给予小鼠0.02、0.10、0.20 g/kg·bw三个剂量组的AP，测定小鼠体重、脏器/体重比值、迟发型变态反应、碳廓清和NK细胞活性变化，验证其对免疫功能的影响。结果表明，本研究的鲍鱼水解肽具有较强的清除DPPH自由基、ABTS自由基和超氧阴离子自由基能力，1.0 mg/mL的鲍鱼水解肽对DPPH自由基、超氧阴离子自由基的清除率分别可达到84.06%、69.74%，0.10 mg/mL的鲍鱼水解肽对ABTS自由基的清除率可达到62.41%；10 μg/mL AP组显著抑制LPS诱导MH-S细胞分泌IL-1β、IL-6、TNF-α活性（P<0.05），50、100 μg/mL AP组抑制效果极显著（P<0.01）；中剂量AP组显著增强NK细胞活性（P<0.05）；高剂量AP组显著促进小鼠的单核-巨噬细胞碳廓清功能（P<0.05），极显著增强NK细胞活性（P<0.01），从而达到调节免疫的作用。结论：鲍鱼水解肽具有较好的抗氧化性，同时具有抗炎和免疫调节作用。Abstract: Abalone hydrolytic peptide(AHP)was prepared from abalone meat by complex enzymatic method,and its anti-inflammatory and immunity enhancing effects were discussed. Method:The antioxidant of AHP was studied and free radical scavenging ability was taken as index,the anti-inflammatory effect of mouse alveolar macrophages(MH-S)was studied by interleukin and tumor necrosis factor-α(TNF-α),and the body weight,organ/body weight ratio,delayed allergy,carbon clearance and NK cell activity of mice were measured to study the effect of AAP(0.02,0.10 and 0.20 g/kg,respectively)on immune function. Results:AHP had strong ability to scavenge DPPH free radical,ABTS free radical and superoxide anion free radical,the scavenging rates of DPPH free radical and superoxide anion free radicals by 1.0 mg/mL AHP were 84.06% and 69.74%,respectively,and the scavenging rate of ABTS free radical by 0.10 mg/mL AHP was 62.41%. 10 μg/mL AP group significantly inhibited the secretion of IL-1 β,IL-6 and TNF-α in MH-S cells induced by LPS(P<0.05),50,100 μg/mL AP group were highly significant(P<0.01). Middle dose AHP group significantly increased NK cell activity(P<0.05),high dose AP group significantly promoted monocyte macrophage carbon clearance function(P<0.05),significantly enhanced NK cell activity(P<0.01),so as to achieve immune regulation. Conclusion:The AHP has good antioxidant activity,anti-inflammatory and immunomodulatory effects.
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