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Effect of Wheat Bran on Fecal Butyrate-Producing Bacteria and Wheat Bran Combined with Barley on Bacteroides Abundance in Japanese Healthy Adults.
Nutrients. 2018 Dec 14; 10(12)N

Abstract

Wheat bran (WB) is rich in insoluble arabinoxylan, while BARLEYmax (BM) is a barley line that is rich in fructan, resistant starch, and β-glucan. In the present study, we investigated which of these two fiber sources would produce more favorable changes in the fecal variables of healthy subjects. Sixty healthy subjects were randomly divided into four groups (n = 15 per group) and fed twice daily for 4 weeks with baked cereal bars containing neither WB nor BM (WB-BM-), WB without BM (WB+BM-), BM without WB (WB-BM+), or WB and BM (WB+BM+). At baseline and after 4 weeks, the fecal microbiota composition and the concentrations of short-chain fatty acids were measured. A significant interactive effect of WB and BM on the abundance of genus Bacteroides was observed at week 4. The abundance of butyrate-producing bacteria and the fecal concentration of n-butyrate were significantly higher in the WB+ groups than in the WB- groups. In conclusion, WB was associated with elevated fecal concentrations of short-chain fatty acids including butyrate owing to an increase in the abundance of butyrate-producing bacteria. Additionally, the combination of WB and BM was associated with an increase in the abundance of genus Bacteroides. Therefore, both WB alone and WB combined with BM favorably influenced the fecal variables of healthy subjects.

Authors+Show Affiliations

Department of Food Science, Faculty of Home Economics, Otsuma Women's University, 12 Sanban-cho, Chiyoda-ku, Tokyo 102-8357, Japan. s-aoe@otsuma.ac.jp.CPCC Company Limited, 3-3-5 Uchikanda, Chiyoda-ku, Tokyo 101-0047, Japan. f.nakamura@cpcc.co.jp.CPCC Company Limited, 3-3-5 Uchikanda, Chiyoda-ku, Tokyo 101-0047, Japan. s.fujiwara@cpcc.co.jp.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

30558159

Citation

Aoe, Seiichiro, et al. "Effect of Wheat Bran On Fecal Butyrate-Producing Bacteria and Wheat Bran Combined With Barley On Bacteroides Abundance in Japanese Healthy Adults." Nutrients, vol. 10, no. 12, 2018.
Aoe S, Nakamura F, Fujiwara S. Effect of Wheat Bran on Fecal Butyrate-Producing Bacteria and Wheat Bran Combined with Barley on Bacteroides Abundance in Japanese Healthy Adults. Nutrients. 2018;10(12).
Aoe, S., Nakamura, F., & Fujiwara, S. (2018). Effect of Wheat Bran on Fecal Butyrate-Producing Bacteria and Wheat Bran Combined with Barley on Bacteroides Abundance in Japanese Healthy Adults. Nutrients, 10(12). https://doi.org/10.3390/nu10121980
Aoe S, Nakamura F, Fujiwara S. Effect of Wheat Bran On Fecal Butyrate-Producing Bacteria and Wheat Bran Combined With Barley On Bacteroides Abundance in Japanese Healthy Adults. Nutrients. 2018 Dec 14;10(12) PubMed PMID: 30558159.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Effect of Wheat Bran on Fecal Butyrate-Producing Bacteria and Wheat Bran Combined with Barley on Bacteroides Abundance in Japanese Healthy Adults. AU - Aoe,Seiichiro, AU - Nakamura,Fumiko, AU - Fujiwara,Suguru, Y1 - 2018/12/14/ PY - 2018/11/02/received PY - 2018/12/11/revised PY - 2018/12/11/accepted PY - 2018/12/19/entrez PY - 2018/12/19/pubmed PY - 2019/2/2/medline KW - BARLEYmax KW - Bacteroides KW - butyrate producer KW - fecal butyrate KW - wheat bran JF - Nutrients JO - Nutrients VL - 10 IS - 12 N2 - Wheat bran (WB) is rich in insoluble arabinoxylan, while BARLEYmax (BM) is a barley line that is rich in fructan, resistant starch, and β-glucan. In the present study, we investigated which of these two fiber sources would produce more favorable changes in the fecal variables of healthy subjects. Sixty healthy subjects were randomly divided into four groups (n = 15 per group) and fed twice daily for 4 weeks with baked cereal bars containing neither WB nor BM (WB-BM-), WB without BM (WB+BM-), BM without WB (WB-BM+), or WB and BM (WB+BM+). At baseline and after 4 weeks, the fecal microbiota composition and the concentrations of short-chain fatty acids were measured. A significant interactive effect of WB and BM on the abundance of genus Bacteroides was observed at week 4. The abundance of butyrate-producing bacteria and the fecal concentration of n-butyrate were significantly higher in the WB+ groups than in the WB- groups. In conclusion, WB was associated with elevated fecal concentrations of short-chain fatty acids including butyrate owing to an increase in the abundance of butyrate-producing bacteria. Additionally, the combination of WB and BM was associated with an increase in the abundance of genus Bacteroides. Therefore, both WB alone and WB combined with BM favorably influenced the fecal variables of healthy subjects. SN - 2072-6643 UR - https://www.unboundmedicine.com/medline/citation/30558159/Effect_of_Wheat_Bran_on_Fecal_Butyrate_Producing_Bacteria_and_Wheat_Bran_Combined_with_Barley_on_Bacteroides_Abundance_in_Japanese_Healthy_Adults_ DB - PRIME DP - Unbound Medicine ER -