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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Boler, Brittany M. Vester Serao, Mariana C. Rossoni Bauer, Laura L. Staeger, Michael A. Boileau, Thomas W. Swanson, Kelly S. Fahey, George C. |
| Description | Country affiliation: United States Author Affiliation: Boler BM ( Department of Animal Sciences, University of Illinois, 1207 West Gregory Drive, Urbana, IL 61801, USA.) |
| Abstract | The objective of the present study was to evaluate digestive physiological outcomes elicited by functional fibres fed to healthy adult men. A total of twenty-one healthy adult men were utilised in a cross-over design. Each subject received polydextrose (PDX) or soluble maize fibre (SCF) (21 g/d) or no supplemental fibre (no fibre control; NFC) in a snack bar. Periods were 21 d and faeces were collected during the last 5 d of each period. Food intake, including fibre intake, did not differ among treatments. Flatulence (P = 0·001) and distention (P = 0·07) were greatest when subjects consumed PDX or SCF. Reflux was greater (P = 0·04) when subjects consumed SCF compared with NFC. All tolerance scores were low ( < 2·5), indicating only slight discomfort. Faecal ammonia, 4-methylphenol, indole and branched-chain fatty acid concentrations were decreased (P < 0·01) when subjects consumed the functional fibre sources compared with NFC. Faecal acetate, propionate and butyrate concentrations were lower (P < 0·05) when subjects consumed PDX compared with SCF and NFC. Faecal pH was lower (P = 0·01) when subjects consumed SCF compared with NFC, while PDX was intermediate. Faecal wet weight was greatest (P = 0·03) when subjects consumed SCF compared with NFC. Faecal dry weight tended to be greater (P = 0·07) when subjects consumed PDX compared with NFC. The functional fibres led to 1·4 and 0·9 g (PDX and SCF, respectively) increases in faecal dry mass per g supplemental fibre intake. Bifidobacterium spp. concentrations were greater (P < 0·05) when subjects consumed SCF compared with NFC. These functional fibres appear to be beneficial to gut health while leading to minimal gastrointestinal upset. |
| File Format | HTM / HTML |
| ISSN | 00071145 |
| Issue Number | 12 |
| Volume Number | 106 |
| e-ISSN | 14752662 |
| Journal | British Journal of Nutrition |
| Language | English |
| Publisher | Cambridge University Press (on behalf of The Nutrition Society) |
| Publisher Date | 2011-12-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Nutritional Discipline Sciences Dietary Fiber Administration & Dosage Digestive System Physiological Phenomena Glucans Adult Cross-over Studies Dna, Bacterial Genetics Isolation & Purification Adverse Effects Feces Chemistry Microbiology Fermentation Flatulence Etiology Gastroesophageal Reflux Humans Male Metagenome Prebiotics Solubility Young Adult Zea Mays Journal Article Randomized Controlled Trial Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Nutrition and Dietetics Medicine |
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