Effects of oral administration of Spirulina platensis and probiotics on serum immunity indexes, colonic immune factors, fecal odor, and fecal flora in mice

文献类型： 外文期刊

第一作者： Zhang, Lingyan

作者： Zhang, Lingyan;Zhang, Xing Tao;Jin, Pingting;Zhao, Hongbo;Sheng, Qingkai;Zhang, Lingyan;Jin, Pingting;Zhao, Hongbo;Sheng, Qingkai;Liu, Xue;Sheng, Qingkai

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关键词： fecal flora; fecal odor; immune index; mice; probiotics; S; platensis

期刊名称：ANIMAL SCIENCE JOURNAL （ 影响因子：1.749； 五年影响因子：1.909 ）

ISSN： 1344-3941

年卷期： 2021 年 92 卷 1 期

页码：

收录情况： SCI

摘要： To evaluate the effects of Spirulina platensis and probiotics on growth, immunity indexes, fecal flora, and fecal odor in mice, 40 mice were randomly allotted to four groups, and each was administrated with nothing, S. platensis, probiotics, or both for 28 days, respectively. Then, many indexes were measured. The results showed that S. platensis was more effective (P < 0.001) than probiotics in improving mice's feed conversion ration (FCR). In immunity, probiotics administration increased (P < 0.042) serum IgE, IgM, IFN-gamma, colonic AHR, TLR4, and NF-kappa B protein expression and decreased (P < 0.039) serum IL-1 alpha, IL-21, IL-22, and colonic ARNT gene expression. However, the S. platensis showed weaker effect, which increased (P < 0.025) the serum IgE, IgM, TNF-alpha, and the colonic AHR and NF-kappa B protein expression, and decreased (P < 0.01) serum IL-21. Probiotics consumption decreased the fecal odor by decreasing (P < 0.02) fecal Escherichia coli, indole-3-acetic acid (IAA), and skatole contents, and the S. platensis decreased (P = 0.04) the IAA. These results indicated that oral administration of probiotics, S. platensis, or both of them in mice probably benefited body's immunity and reduced fecal odor. However, their mechanisms were still unclear and need further study.

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