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Recovery of Residual Brewer’s Yeast by Electroactivation
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作者 Ruslan Tarna elvira vrabie +1 位作者 Irina Paladii Rodica Sturza 《Food and Nutrition Sciences》 2021年第12期1177-1190,共14页
Yeasts resulting from the brewing process (RBY) are a valuable by-product, with an important content of minerals, vitamins and, especially, proteins. The purpose of the research was the electroactivation of RBY and th... Yeasts resulting from the brewing process (RBY) are a valuable by-product, with an important content of minerals, vitamins and, especially, proteins. The purpose of the research was the electroactivation of RBY and the simultaneous obtaining of two products</span><span style="font-family:"">—<span>protein concentrates and hydrolyzed protein fr<span>om residual brewer’s yeast. Electroactivation is a non-residual process, wit</span>hout the use of chemical reagents and relatively inexpensive. The variation of the electroactivation conditions allowed the separation of 90% - 94% of the proteins in the form of protein concentrates. During the process, it is attested to increase the pH value and decrease the redox potential, which characterizes the multiple redox processes that take place in the cathode cell, including sedimentation at the isoelectric point. The presence of albumin in the protein fractions of RBY allows the formation of protein complexes with calcium, attributing a higher biological value to the obtained products. 展开更多
关键词 Brewer’s Yeast Electroactivation Redox Potential Protein Concentrates Protein Hydrolysates CALCIUM
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