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題 名 | 利用Aspergillus oryzae A-29以固體醱酵法生產超氧歧化酶=Production of Superoxide Dismutase by Aspergillus oryzae A-29 with Solid State Fermentation |
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作 者 | 吳芳真; 林慶福; | 書刊名 | 中國農業化學會誌 |
卷 期 | 36:2 1998.04[民87.04] |
頁 次 | 頁173-180 |
分類號 | 368.87 |
關鍵詞 | 超氧歧化酶; 固態醱酵法; 機能性食品; Aspergillus oryzae A-29; Superoxide dismutase; Solid state fermentation; Functional food; |
語 文 | 中文(Chinese) |
中文摘要 | 從台灣土壤中篩選出一株高活性Aspergillus oryzae A-29,利用固態醱酵方法生產 超氧歧化 ,其活性每克培養基可達1.368.2單位,該酵素屬Cu/Zn-SOD型,經萃取、超過 濾濃縮及真空冷凍乾燥等步驟濃縮超氧歧化 ,其酵素活性高達10,120.4U/g,回收率為 68.0%。 |
英文摘要 | A powerful superoxide dismutase (SOD) producing Aspergillus oryzae A-29 has been isolated from the soil of Taiwan. This mold was aplied in the production of SOD by means of solid state fermentation using wheat bran as media. The activity of the dried media was as high as 1,368.2 U/g. The enzyme was easily extracted by Tris-HC1 buffer (pH 7.8). The filtrate was concentrated by ultrafiltration (UF) to a solid content of 10% and then freeze dried. A yellowish SOD preparation was obtained, and the enzyme was characterized as Cu/Zn SOD. The yield was 68.0%. The activity was 10,120.4 U/g, which was almost ten times that of commercial available SOD products. |
本系統中英文摘要資訊取自各篇刊載內容。