<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Brewers’ spent grains (BSG) are the main waste product of the brewing industry, accounting for about 85% of the total waste materials. Their composition is different (due to various brewing technologies) but includes high levels of dietary fiber, proteins, essential amino acids, polyphenols, antioxidants, vitamins and fats. The aim of the present study was to investigate the phenolic content and antioxidant activity (the radical scavenging assay (DPPH) and ferric reducing antioxidant power (FRAP)) of 19 different malt types and their BSG. The highest phenolic content was demonstrated by the BSG of Caraaroma malt, whereas the BSG of Carafa Special type 1 had the highest DPPH radical scavenging activity and ferric reducing antioxidant power. Based on the results obtained, malts with the highest biological value were selected for inclusion in the composition of functional foods.</p></abstract>

Brewers’ spent grains (BSG) are the main waste product of the brewing industry, accounting for about 85% of the total waste materials. Their composition is different (due to various brewing technologies) but includes high levels of dietary fiber, proteins, essential amino acids, polyphenols, antioxidants, vitamins and fats. The aim of the present study was to investigate the phenolic content and antioxidant activity (the radical scavenging assay (DPPH) and ferric reducing antioxidant power (FRAP)) of 19 different malt types and their BSG. The highest phenolic content was demonstrated by the BSG of Caraaroma malt, whereas the BSG of Carafa Special type 1 had the highest DPPH radical scavenging activity and ferric reducing antioxidant power. Based on the results obtained, malts with the highest biological value were selected for inclusion in the composition of functional foods.

Phytochemical Composition of Brewers’ Spent Grains

Acta Universitatis Cibiniensis. Series E: Food Technology

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"Phytochemical Composition of Brewers\u2019 Spent Grains"}

Brewers’ spent grains (BSG) are the main waste product of the brewing industry, accounting for about 85% of the total waste materials. Their composition is...

Phytochemical Composition of Brewers’ Spent Grains

Published Online: Jun 25, 2020

Page range: 139 - 145

Received: Dec 19, 2019

Accepted: Apr 20, 2020

DOI: https://doi.org/10.2478/aucft-2020-0012

Keywords
malt, brewers’ spent grains, FRAP, DPPH, selection

© 2020 Kristina Ivanova et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Phytochemical Composition of Brewers’ Spent Grains

Published Online: Jun 25, 2020

Page range: 139 - 145

Received: Dec 19, 2019

Accepted: Apr 20, 2020

DOI: https://doi.org/10.2478/aucft-2020-0012

Keywordsmalt, brewers’ spent grains, FRAP, DPPH, selection

© 2020 Kristina Ivanova et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
malt, brewers’ spent grains, FRAP, DPPH, selection