Abstract
Spent brewer's yeast (SBY) is one of the major by-products produced during beer brewing process. SBY is an abundant source of protein, minerals, vitamins, especially vitamin Bcomplex, as well as nutraceuticals such as β-glucans or mono- and oligosaccharides. Due to the presence of nutrients, abundant availability and low cost, SBY has been widely used in animal feed. However, over the last decades, considerable efforts have been devoted to the development of alternative applications for SBY, such as functional food ingredient and fermentation substrate. Therefore, the aim of this review was to provide an up-to-date overview on the valorization of SBY.
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