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美人蕉淀粉可改善小鼠的免疫功能和肠道环境。

Canna starch improves immune functions and the intestinal environment in mice.

作者信息

Tanaka Mamoru, Koida Ayaka, Miyazaki Akira, Tabata Kazushi, Takei Yuichiro, Tanimoto Yoshihumi, Kawamura Mami, Tsuzuki Masafumi, Takahashi Haruka, Yano Tetsu, Watanabe Hiroyuki

机构信息

Department of Food and Nutrition Sciences, College of Bioscience and Biotechnology, Chubu University, 1200 Matsumoto-cho, Kasugai, Aichi 487-8501, Japan.

Faculty of Agriculture and Marine Science, Graduate School of Integrated Arts and Sciences, Kochi University, 200 Otsu, Monobe, Nankoku-shi, Kochi 783-8502, Japan.

出版信息

Biosci Microbiota Food Health. 2023;42(2):131-137. doi: 10.12938/bmfh.2022-068. Epub 2023 Jan 26.

DOI:10.12938/bmfh.2022-068
PMID:37016689
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC10067328/
Abstract

The present study was conducted to elucidate the dietary effects of canna starch on the immune functions and intestinal luminal environment in mice. The amylose and resistant starch characteristics were determined for six types of starch, including edible canna. Canna starch was found to be higher in amylose and resistant starch compared with the other starches. BALB/c mice were fed 3.16% (low-canna group) and 6.32% (high-canna group) canna starch for 2 weeks, and then intestinal parameters were measured. Fecal IgA and mucin levels were markedly elevated by canna starch intake. IgA levels in serum and spleen lymphocytes were elevated by canna starch intake in the high-canna group, but not in the low-canna group. When the mice were fed canna starch, the cecum weight increased, and the pH in the cecum decreased. The high-canna group had significantly increased levels of subcluster XIVa lactic acid, acetic acid, and n-butyric acid in the cecum compared with the control group. These results suggested that canna starch supplementation changed the intestinal microbiota and enhanced the intestinal immune and barrier functions and cecal organic acids in mice.

摘要

本研究旨在阐明美人蕉淀粉对小鼠免疫功能和肠腔环境的饮食影响。测定了包括可食用美人蕉在内的六种淀粉的直链淀粉和抗性淀粉特性。发现美人蕉淀粉的直链淀粉和抗性淀粉含量高于其他淀粉。将BALB/c小鼠分别喂食3.16%（低美人蕉组）和6.32%（高美人蕉组）的美人蕉淀粉2周，然后测量肠道参数。摄入美人蕉淀粉后，粪便IgA和粘蛋白水平显著升高。高美人蕉组摄入美人蕉淀粉后血清和脾淋巴细胞中的IgA水平升高，而低美人蕉组则未升高。当小鼠喂食美人蕉淀粉时，盲肠重量增加，盲肠pH值降低。与对照组相比，高美人蕉组盲肠中亚群XIVa乳酸、乙酸和正丁酸水平显著升高。这些结果表明，补充美人蕉淀粉可改变小鼠肠道微生物群，增强肠道免疫和屏障功能以及盲肠有机酸。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f007/10067328/dc3023349aa5/bmfh-42-131-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f007/10067328/21b5360c7aac/bmfh-42-131-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f007/10067328/e7acdb26aa93/bmfh-42-131-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f007/10067328/91b22402373b/bmfh-42-131-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f007/10067328/dc3023349aa5/bmfh-42-131-g004.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f007/10067328/21b5360c7aac/bmfh-42-131-g001.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f007/10067328/e7acdb26aa93/bmfh-42-131-g002.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f007/10067328/91b22402373b/bmfh-42-131-g003.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/f007/10067328/dc3023349aa5/bmfh-42-131-g004.jpg

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引用本文的文献

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Biomolecules. 2024 Feb 12;14(2):215. doi: 10.3390/biom14020215.

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