| Brewers' spent grain; bioactivity of phenolic component, its role in animal nutrition and potential for incorporation in functional foods: a review. | |
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MedLine Citation:
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PMID: 23137812 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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Brewers' spent grain (BSG) is a low-value co-product of the brewing industry produced in large quantities annually. This paper reviews the existing evidence regarding the phenolic component of BSG, focusing on composition, extraction and biofunctions such as antioxidant, anti-atherogenic, anti-inflammatory and anti-carcinogenic activities. Furthermore, the incorporation of BSG in foodstuffs will be discussed, including the use of BSG as an animal feed supplement and the potential of BSG to be incorporated into foods for human consumption. BSG contains hydroxycinnamic acids including ferulic acid, p-coumaric acid and caffeic acid; which have shown bioactivity in the pure form (antioxidant, anti-inflammatory, anti-atherogenic and anti-cancer). Phenolic extracts from BSG have also shown antioxidant potential, by protecting against oxidant-induced DNA damage, possibly by Fe chelation. Studies show that BSG has many benefits when used as a supplement in animal feed, such as increasing milk yield, milkfat content and in providing essential dietary amino acids. The incorporation of BSG in human foods such as cookies and ready-to-eat snacks has resulted in increased protein and fibre contents of the products, where the changes in organoleptic properties are controllable. It can be concluded that the phenolic component of BSG has potential bioactive effects, which are worth pursuing given that the inclusion of BSG into human foodstuffs is viable and beneficial. |
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Authors:
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Aoife L McCarthy; Yvonne C O'Callaghan; Charles O Piggott; Richard J Fitzgerald; Nora M O'Brien |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-11-9 |
Journal Detail:
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Title: The Proceedings of the Nutrition Society Volume: - ISSN: 0029-6651 ISO Abbreviation: Proc Nutr Soc Publication Date: 2012 Nov |
Date Detail:
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Created Date: 2012-11-9 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7505881 Medline TA: Proc Nutr Soc Country: - |
Other Details:
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Languages: ENG Pagination: 1-9 Citation Subset: - |
Affiliation:
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School of Food and Nutritional Sciences, University College Cork, Cork, Republic of Ireland. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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