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Bacteria as vitamin suppliers to their host: a gut microbiota perspective

Paper ID Volume ID Publish Year Pages File Format Full-Text
15924 42478 2013 9 PDF Available
Title
Bacteria as vitamin suppliers to their host: a gut microbiota perspective
Abstract

Food-related lactic acid bacteria (LAB) as well as human gut commensals such as bifidobacteria can de novo synthesize and supply vitamins. This is important since humans lack the biosynthetic capacity for most vitamins and these must thus be provided exogenously. Although vitamins are present in a variety of foods, deficiencies still occur, mainly due to malnutrition as a result of insufficient food intake and because of poor eating habits. Fermented milks with high levels of B-group vitamins (such as folate and riboflavin) can be produced by LAB-promoted and possibly bifidobacteria-promoted biosynthesis. Moreover, certain strains of LAB produce the complex vitamin cobalamin (or vitamin B12). In this review, fermented foods with elevated levels of B-group vitamins produced by LAB used as starter cultures will be covered. In addition, genetic abilities for vitamin biosynthesis by selected human gut commensals will be discussed.

Graphical abstractFigure optionsDownload full-size imageDownload high-quality image (156 K)Download as PowerPoint slideHighlights► Humans lack the biosynthetic capacity for most vitamins. ► Vitamins must thus be provided exogenously by nutritionally balanced diets. ► Members of the human gut microbiota can supply their host with microbially synthesized vitamins. ► Fermented milks with high levels of B-group vitamins can be produced by lactic acid.

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Publisher
Database: Elsevier - ScienceDirect
Journal: Current Opinion in Biotechnology - Volume 24, Issue 2, April 2013, Pages 160–168
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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Any Questions? feel free to contact us