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頁籤選單縮合
題名 | 乳酸菌生成葉酸能力之探討=Determination of Folates Synthesized by Lactic Acid Bacteria |
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作者 | 楊崇民; 林美吟; | 書刊名 | 藥物食品分析 |
卷期 | 8:1 2000.03[民89.03] |
頁次 | 頁45-49 |
分類號 | 473.75 |
關鍵詞 | 雙歧桿菌; 嗜酸乳桿菌; 保加利亞乳桿菌; 嗜熱乳酸鏈球菌; 葉酸; 高效能液相層析法; Bifidobacterium longum; Lactobacillus acidophilus; Lactobacillus bulgaricus; Streptococcus thermophilus; Folate; HPLC; |
語文 | 中文(Chinese) |
中文摘要 | 本研究以HPLC法分析八株乳酸菌包括雙歧桿菌Bifidobacterium longum B6和15708 、嗜酸乳桿菌Lactobacillus acidophilus N-1和4356、保加利亞桿菌Lactobacillus bulgaricus 448和449及嗜熱乳酸鏈球菌Streptococcus thermophilus MC和573合成葉酸之 能力。由研究結果發現,在乳酸菌發酵期間以發酵6hr之葉酸生成量最大。而在測試的菌種 中,雙歧桿菌顯示有最高的葉酸生成能力,B.longum B6和15708在37℃經發酵6hr後葉酸分 別增加了3.5倍和2.4倍,而且五甲基四氫葉酸為主要的葉酸衍生物。 |
英文摘要 | Eight strains of lactic acid bacteria, including Bifidobacterium longum B6 and 15708, Lactobacillus acidophilus N-l and 4356, Lactobacillus bulgaricus 448 and 449, and Streptococcus thermophilus MC and 573 were investigated for their folate synthesizing ability by applying the high-performance liquid chromatographic method. The results showed that lactic acid bacteria synthesized maximum levels of folate in six hours in fermented milk. B. longum B6 demonstrated the highest folate synthesizing ability, and B. longum 15708 also produced folate satisfactorily. These two strains increased folate 3.5 and 2.4 fold, respectively, after 6h fermentation at 37℃. 5-Methyltetrahydrofolate was the main derivative of folate found in fermented milk. |
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