Effects of prolonged exposure to low pH on enzymatic and non-enzymatic antioxidants in Japanese Medaka (Oryzias latipes).
作者： Wilson F. Ramírez-Duarte , Jiali Jin , Tomofumi Kurobe , Swee J. Teh
DOI: 10.1016/J.SCITOTENV.2016.05.179
关键词: Biochemistry 、 Oryzias 、 Antioxidant 、 TBARS 、 Acute toxicity 、 Food science 、 Glutathione peroxidase 、 Japanese Medaka 、 Lipid peroxidation 、 Increased reactive oxygen species production 、 Chemistry
摘要: Abstract Acidification in aquatic ecosystems is a major concern worldwide. In freshwater, although there are several publications reporting acute toxicity and adverse effects due to low pH, little known about on antioxidant mechanisms fish after prolonged exposure. This study aimed investigate how antioxidants affected by raising larval Japanese Medaka ( Oryzias latipes ) soft water at pH 5.5, 6.0, 6.5. After 18 days of exposure, glutathione concentration peroxidase activity whole body homogenates increased as pH decreased, without changes lipid peroxidation measured thiobarbituric acid reactive substances. showed that exposure oxygen species production cope with it increasing levels enzymatic non-enzymatic antioxidants.
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