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題 名 | 吳郭魚肌漿網膜之脂質過氧化的特性=Characteristics of Lipid Peroxidation in Sarcoplasmic Reticulum of Tilapia |
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作 者 | 黃承輝; 黃銘志; 李安進; | 書刊名 | 食品科學 |
卷 期 | 25:1 1998.02[民87.02] |
頁 次 | 頁104-108 |
分類號 | 439.5 |
關鍵詞 | 吳郭魚; 肌漿網膜; 脂質過氧化; Tilapia; Sarcoplasmic reticulum; Lipid peroxidation; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究以吳郭魚的肌漿網膜為材料,探討此生物膜中以鐵離子催化的酵素性脂質過氧化系統的特性,以作為研究脂質過氧化與抗氧化試驗的模型。研究結果顯示,此系統以NADH為還原劑時的脂質過氧化速率,顯著的高於使用NADPH為還原劑(P<0.05),而這個系統的最佳反應酸鹼值為6.8。當反應溫度由1℃升到25℃時,反應速率也加快。由於吳郭魚是本省主要養殖魚種之一,因價廉,且無季節性限制,易於取得。所以吳郭魚肌漿網膜酵素性脂質過氧化系統,極適合作為本地研究脂質過氧化與抗氧化試驗的模型。 |
英文摘要 | To establish a model system for future lipid peroxidative and anti-oxidative research, some characteristics of an iron-catalyzed enzymic lipid peroxidation system in tilapia sarcoplasmic reticulum were investigated. Results of the experiments showed that this system preferred NADH to NADPH as the reducing agent. The rate of lipid peroxidation for the NADH added sample was significantly higher than for the NADPH added sample. The optimal pH for the reaction was 6.8. When the reaction temperature was raised from 1℃ to 25℃, the lipid peroxidation rates also increased. Since tilapia is a major cultured fish species in Taiwan and the supply is stable, the enzymic lipid peroxidation system in tilapia sarcoplasmic reticulum will be an excellent model for lipid peroxidative studies. |
本系統中英文摘要資訊取自各篇刊載內容。