Antioxidative Effect of Lactic Acid Bacteria: Intact Cells vs. Intracellular Extracts
本研究比較兩株乳酸菌Bifidobacterium longum 和Lactobacillus delbrueckiisubsp. bulgaricus其菌體及胞內物的抗氧化能力。結果顯示,B. longum 和L.delbrueckii subsp. bulgaricus 在10^9 CFU/mL時,菌體及胞內物具有清除DPPH自由基能力(70.4-75.1%)、抑制liposome 過氧化(25-31%)以及顯著降低Intestine 407腸細胞脂質過氧化物(malondialdehyde, MDA)的生成。此外,本研究再進一步利用這兩株具有抗氧化能力乳酸菌的活菌體及其胞內物,探討對腦中...
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| Published in | 藥物食品分析 Vol. 17; no. 3; pp. 209 - 216 |
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| Main Authors | , , , , , |
| Format | Journal Article |
| Language | English |
| Published |
衛生福利部食品藥物管理署
01.06.2009
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| Subjects | |
| Online Access | Get full text |
| ISSN | 1021-9498 |
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| Abstract | 本研究比較兩株乳酸菌Bifidobacterium longum 和Lactobacillus delbrueckiisubsp. bulgaricus其菌體及胞內物的抗氧化能力。結果顯示,B. longum 和L.delbrueckii subsp. bulgaricus 在10^9 CFU/mL時,菌體及胞內物具有清除DPPH自由基能力(70.4-75.1%)、抑制liposome 過氧化(25-31%)以及顯著降低Intestine 407腸細胞脂質過氧化物(malondialdehyde, MDA)的生成。此外,本研究再進一步利用這兩株具有抗氧化能力乳酸菌的活菌體及其胞內物,探討對腦中風病人(cerebrovascular accident, CVA)和健康受試者血液中低密度脂蛋白(LDL)氧化作用的影響。LDL的氧化作用是以監測LDL conjugateddienes 形成的起始時間(lag time)爲指標。當B. longum和L. delbrueckii subsp. bulgaricus 以10^9 cfu/mL的菌數分別處理LDL時,LDL氧化作用的起始時間顯著被延長,健康受試者血液中LDL氧化被抑制效果優於CVA病人,而當以B. longum和L. delbrueckii subsp. bulgaricus 10^9 CFU/mL 菌數的胞內物處理CVA病人及健康受試者的LDL時,LDL氧化作用的起始時間顯著被延長超過180分鐘,此結果表示,抑制LDL氧化作用以乳酸菌的胞內物優於菌體。推論乳酸菌的胞內物具有效的抑制因子。 |
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| AbstractList | 本研究比較兩株乳酸菌Bifidobacterium longum 和Lactobacillus delbrueckiisubsp. bulgaricus其菌體及胞內物的抗氧化能力。結果顯示,B. longum 和L.delbrueckii subsp. bulgaricus 在10^9 CFU/mL時,菌體及胞內物具有清除DPPH自由基能力(70.4-75.1%)、抑制liposome 過氧化(25-31%)以及顯著降低Intestine 407腸細胞脂質過氧化物(malondialdehyde, MDA)的生成。此外,本研究再進一步利用這兩株具有抗氧化能力乳酸菌的活菌體及其胞內物,探討對腦中風病人(cerebrovascular accident, CVA)和健康受試者血液中低密度脂蛋白(LDL)氧化作用的影響。LDL的氧化作用是以監測LDL conjugateddienes 形成的起始時間(lag time)爲指標。當B. longum和L. delbrueckii subsp. bulgaricus 以10^9 cfu/mL的菌數分別處理LDL時,LDL氧化作用的起始時間顯著被延長,健康受試者血液中LDL氧化被抑制效果優於CVA病人,而當以B. longum和L. delbrueckii subsp. bulgaricus 10^9 CFU/mL 菌數的胞內物處理CVA病人及健康受試者的LDL時,LDL氧化作用的起始時間顯著被延長超過180分鐘,此結果表示,抑制LDL氧化作用以乳酸菌的胞內物優於菌體。推論乳酸菌的胞內物具有效的抑制因子。 |
| Author | 陳暉雯(Haw-Wen Chen) 林美吟(Meei-Yn Lin) 呂聰明(Tsong-Ming Lu) 蔡肇基(Jaw-Ji Tsai) 歐珠琴(Chu-Chyn Ou) 顏志恒(Jyh-Herng Yen) |
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| Keywords | LDL oxidation 菌體 抗氧化作用 antioxidation lactic acid bacteria 低密度脂蛋白氧化作用 胞內物 intracellular extracts 乳酸菌 intact cells |
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| Title | Antioxidative Effect of Lactic Acid Bacteria: Intact Cells vs. Intracellular Extracts |
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