干姜大枣提取物对饮冷寒凉的SD大鼠肠道微生态的影响

China Journal of Traditional Chinese Medicine and Pharmacy(2019)

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Abstract
目的:探讨干姜大枣提取物对饮冷寒凉的SD大鼠肠道微生态及血清胃泌素的影响.方法:选取SPF级SD大鼠18只,随机分成正常对照组、冰水模型组、冰水给药组.冰水模型组每日灌胃冰水,冰水给药组每日灌胃冰水和干姜大枣提取物.10d后采集大鼠血清和肠道内容物,采用酶联免疫学方法检测血清胃泌素,采用“多引物-多变量16SrRNA基因区”检测分析肠道菌群.结果:在实验大鼠肠道菌群属水平,与正常对照组相比,冰水模型组Lactobacillus丰度值显著降低(P<0.01),Dorea、Alistipes、Bilophila、Paraprevotella、Christensenella丰度值显著升高(P<0.05).与冰水模型组相比,冰水给药组Lactobacillus丰度值显著升高(P<0.05),Dorea、Alistipes、Bilophila、Paraprevotella、Christensenella丰度值显著降低(P<0.05).与正常对照组相比,冰水模型组胃泌素的含量均显著升高(P<0.01);与冰水模型组相比,冰水给药组胃泌素含量显著降低(P<0.01).结论:长期饮冷寒凉,会出现肠道菌群失调,体内有益菌减少,血清胃泌素升高.干姜大枣提取物及时纠正了寒邪对肠道微生态的不良影响,使机体保持健康状态.
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