Thitirat Kaewsedam, W. Youravong, Zhenyu Li, S. Wichienchot
{"title":"Modulation of gut microbiota and their metabolites by functional mulberry juice non-thermally pasteurized using microfiltration","authors":"Thitirat Kaewsedam, W. Youravong, Zhenyu Li, S. Wichienchot","doi":"10.31989/ffhd.v12i9.980","DOIUrl":null,"url":null,"abstract":"Background: Mulberry fruit is a source of phenolic compounds and has biological properties. This study aimed to assess the effects of isomaltooligosaccharide (IMO) added to mulberry juice on prebiotic activity and gut fermentation properties.Objectives: The study aimed to produce mulberry juice supplemented with IMO, which might generate short chain fatty acids (SCFA), and to examine the effects of a prebiotic activity after fecal fermentation.Materials and methods: Functional mulberry juices were prepared with three different levels of isomaltooligosaccharide (IMO), namely 0% (MBI0), 2% (MBI2), and 8% (MBI8). The study tested mulberry juices supplemented with IMO, which generated short-chain fatty acids (SCFA), phenolic metabolites, and favored beneficial gut bacteria, and examined the prebiotic activity after fecal fermentation by the colonic microbiota. A crossflow hollow fiber microfiltration system with a 0.22 μm pore size was employed to deliver permeates considered non-thermally pasteurized juices.Results: The results show that short chain fatty acids (SCFA) included large propionic acid and butyric acid concentrations at 48h. The percent of bifidobacteria significantly increased to 5.03% and 17.53% in 24 hours fermentation of MBI2 and MBI8, respectively. After fecal batch culture fermentation, some anthocyanin metabolites such as 3-(2-hydroxyphenyl) propionic acid, 3,4-dihydroxybenzaldehyde, L-phenylalanine, and aminocaproic acid, were detected. Therefore, IMO can serve as a potential prebiotic ingredient added in mulberry juice for promoting the growth of beneficial gut microbiota.Conclusion: The results show that IMO favored beneficial microorganisms in the gut and contributed to biologically active compounds such as metabolites of polyphenols and anthocyanins in the gut.Keywords: Mulberry, isomaltooligosaccharide, prebiotic, gut microbiota, metabolites","PeriodicalId":12623,"journal":{"name":"Functional Foods in Health and Disease","volume":null,"pages":null},"PeriodicalIF":1.3000,"publicationDate":"2022-09-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Functional Foods in Health and Disease","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.31989/ffhd.v12i9.980","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"FOOD SCIENCE & TECHNOLOGY","Score":null,"Total":0}
引用次数: 1
Abstract
Background: Mulberry fruit is a source of phenolic compounds and has biological properties. This study aimed to assess the effects of isomaltooligosaccharide (IMO) added to mulberry juice on prebiotic activity and gut fermentation properties.Objectives: The study aimed to produce mulberry juice supplemented with IMO, which might generate short chain fatty acids (SCFA), and to examine the effects of a prebiotic activity after fecal fermentation.Materials and methods: Functional mulberry juices were prepared with three different levels of isomaltooligosaccharide (IMO), namely 0% (MBI0), 2% (MBI2), and 8% (MBI8). The study tested mulberry juices supplemented with IMO, which generated short-chain fatty acids (SCFA), phenolic metabolites, and favored beneficial gut bacteria, and examined the prebiotic activity after fecal fermentation by the colonic microbiota. A crossflow hollow fiber microfiltration system with a 0.22 μm pore size was employed to deliver permeates considered non-thermally pasteurized juices.Results: The results show that short chain fatty acids (SCFA) included large propionic acid and butyric acid concentrations at 48h. The percent of bifidobacteria significantly increased to 5.03% and 17.53% in 24 hours fermentation of MBI2 and MBI8, respectively. After fecal batch culture fermentation, some anthocyanin metabolites such as 3-(2-hydroxyphenyl) propionic acid, 3,4-dihydroxybenzaldehyde, L-phenylalanine, and aminocaproic acid, were detected. Therefore, IMO can serve as a potential prebiotic ingredient added in mulberry juice for promoting the growth of beneficial gut microbiota.Conclusion: The results show that IMO favored beneficial microorganisms in the gut and contributed to biologically active compounds such as metabolites of polyphenols and anthocyanins in the gut.Keywords: Mulberry, isomaltooligosaccharide, prebiotic, gut microbiota, metabolites