辣椒素对肠道菌体外发酵的影响

Science and Technology of Food Industry(2013)

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Abstract
食用辣椒会带来肠道不适反应,对肠道环境存在潜在影响。实验拟通过体外发酵验证辣椒素对肠道发酵环境的影响。向大鼠盲肠内容物发酵液中添加0.05%、0.10%、0.15%三种浓度辣椒素,培养10h后检测发酵液中pH、游离氨、短链脂肪酸(SCFA)及双歧杆菌、乳酸杆菌、大肠杆菌3种微生物的变化趋势,探讨辣椒素对肠道发酵环境的影响。结果表明,与空白组相比,添加辣椒素使盲肠内容物发酵液pH、游离氨浓度升高,短链脂肪酸含量降低,双歧杆菌、乳酸杆菌数量下降,而大肠杆菌数量上升。所有变化均与辣椒素添加剂量存在相关性。研究结果表明,辣椒素对肠道发酵环境有潜在危害。
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Key words
capsaicin,fermentation in vitro,cecal microbe
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