Results 1 to 10 of about 7,014 (105)
Development of Mussel Antioxidant Peptides and Functional Kamaboko Gels(酶解制备贻贝抗氧化肽与功能性鱼糕的研制) [PDF]
Shipin kexue jishu xuebao, 2016 Functional surimi products with antioxidant activities were developed in this study. The enzymolysis was applied to produce mussel antioxidant peptides and neutral protease was the best protease.
CHEN Weiming(陈卫明) +4 more
doaj +1 more source
Antioxidant Activities of Collagen Peptides from Silver Carp Scale(鲢鱼鱼鳞胶原蛋白肽抗氧化作用研究) [PDF]
Shipin kexue jishu xuebao, 2014 Antioxidant activities of sliver carp scale collagen peptides -SCSCP- were investigated. SCSCP was separated by ultrafiltration using the Omega membranes with molecular weights cut-off of 5, 3, and 1ku. Antioxidant activities of ultrafiltration fractions
CHEN Ri-chun(陈日春) +3 more
doaj +1 more source
Multivariate Analysis of Reactive Oxygen Species Metabolism of Strawberry Treated with Gas Impingement(气体冲击处理对草莓活性氧代谢影响的多变量解析) [PDF]
Shipin kexue jishu xuebao, 2015 The effects of individual treatments with gas impingement on fruit quality and reactive oxygen species metabolism of strawberries were analyzed by one-way analysis of variance, principal component analysis (PCA), partial least squares regression (PLSR ...
LI Liping(李丽萍) +4 more
doaj +1 more source
Effects of Exogenous Methyl Jasmonate and Isoleucine on Resistance Related Enzyme Activity of Cherry Tomatoes After Botrytis cinereal Infection(外源茉莉酸甲酯和异亮氨酸对灰霉菌侵染后圣女果抗病性酶酶活的影响) [PDF]
Shipin kexue jishu xuebao, 2021 During the storage period, Botrytis cinerea infection was usually occurred, which caused serious rot in fruits and vegetables. In this study, cherry tomatoes infected with Botrytis cinerea were used to simulate the rot that might occur during storage ...
LUO Jiqing(罗吉庆) +4 more
doaj +1 more source
Zhejiang Daxue xuebao. Lixue ban, 2005 氨态氮和亚硝态氮是虾类养殖环境中最主要的污染物.在1 mg/L非离子氨态氮和1 mg/L亚硝态氮的作用条件下，罗氏沼虾血清、肝胰腺和肌肉中的酚氧化酶、超氧化物歧化酶、碱性磷酸酶及酸性磷酸酶活力变化不同，经1、4、7及10天处理后，血清和肌肉酚氧化酶活力均有所降低，而肝胰腺的酚氧化酶活力则略有增高；各组织中的超氧化物歧化酶活力基本变化过程为，先增高后降低；各组织的两种磷酸酶活力则有不同程度的增高.酚氧化酶与超氧化物歧化酶活性可作为判断虾类免疫抗病能力的指标，而两种磷酸酶活性则仅可作辅助参数.
WANGYue(王玥) +2 more
doaj +1 more source
Effects of Ultrasonic Washing on Antioxidant Systems of Fresh-Cut Red Cabbages(超声波清洗对鲜切紫甘蓝抗氧化系统的影响) [PDF]
Shipin kexue jishu xuebaoTo explore the influences of ultrasonic washing on the antioxidant systems of fresh-cut red cabbages, fresh-cut red cabbages were subjected to ultrasonic washing [frequency (28±2) kHz, power density 60W/L, frequency cycle time 400ms, and ultrasonic time ...
HONG Chen(洪晨) +4 more
doaj +1 more source
Zhongguo shiyan zhenduanxue, 2021 目的探究没食子酸(GA)对辐射损伤小鼠肝脏抗氧化酶含量的影响和降低脂质过氧化程度的作用。方法小鼠在接受X射线辐照前经由胃肠道途径给予GA(50、100和200mg/kg),连续14d,每天1次。第15天均进行一次性X射线全身均匀辐照(阴性对照组除外),辐照剂量分别为1.0、3.0和4.0Gy。辐照后24h处死小鼠,取小鼠肝脏检测肝组织中过氧化氢酶(CAT)、超氧化物歧化酶(SOD)、谷胱甘肽过氧化物酶(GSH-Px)的活性值和丙二醛(MDA)含量。结果 200mg/kg GA组小鼠肝脏中CAT、SOD ...
薛琦 +5 more
doaj
Optimization of Hydrolysis Conditions for Antioxidative Peptides from Spirulina Using Alcalase(碱性蛋白酶水解螺旋藻制备抗氧化活性肽的工艺优化) [PDF]
Shipin kexue jishu xuebao, 2016 The hydrolysis conditions of antioxidant peptides from Spirulina powder using alcalase were optimized by single factor methods and the Box-Behnken experiments, in order to improve the antioxidant abilities and the yield of Spirulina peptides.The results ...
MA Yanfang(马艳芳) +4 more
doaj +1 more source
Zhongguo youzhi, 2022 为开发具有较好抗氧化活性的植物源蛋白肽，采用木瓜蛋白酶和中性蛋白酶复合酶法水解汉麻籽粕获得汉麻籽蛋白水解物，经膜分离技术得到4种不同分子质量的多肽组分。通过DPPH自由基清除率、总还原力的测定，评价不同多肽组分的抗氧化活性，并对抗氧化活性最强的多肽组分进行氨基酸序列分析。结果显示：低分子质量的汉麻籽多肽组分具有更好的抗氧化活性，其中HP-Ⅳ组分（分子质量＜1 kDa）的抗氧化活性最强；HP-Ⅳ组分中丰度较高的6个肽段的分子质量分别为 364.84、539.77、630.30、662.33、718.90 ...
魏连会1，董艳1，石杰1，宋淑敏1，孙兴荣2WEI Lianhui1, DONG Yan1, SHI Jie1,SONG Shumin1, SUN Xingrong2
doaj +1 more source
Zhongguo shiyan zhenduanxue, 2014 肺部疾病发病机制复杂,最近的研究发现,除免疫反应外,还存在氧化/抗氧化失衡。经典的酶抗氧化系统能够减轻氧化应激引起的肺损伤,但发挥作用的程度及方式仍不足。血红素氧合酶-1（heme oxygenase-1,HO-1）是新近发现的一种最广泛存在的抗氧化酶,通常呈低水平表达,当受到伤害性刺激后水平可明显升高,在肺的适应性和保护性反应中起着重要作用 ...
廉玉兰, 袁宝军
doaj