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1. 发明授权

US3818109A Conversion of whey solids to an edible yeast cell mass 失效
标题翻译：将固体转化为可食用的酵母细胞质量
公开(公告)号：US3818109A
公开(公告)日：1974-06-18
申请号：US35012673
申请日：1973-04-11
申请人： UNIV KANSAS STATE
发明人： BECHTLE R
IPC分类号： A23C21/02 , C12N1/00 , C12N1/16 , C12P39/00 , A23C21/00 , A23J1/18 , C12C11/00
CPC分类号： C12N1/16 , A23C21/02 , C12N1/00 , C12P39/00 , Y10S435/853 , Y10S435/885 , Y10S435/921 , Y10S435/94 , Y10S435/944
摘要： A concentrated substrate of whey solids is inoculated with a mixed dairy starter culture capable of converting lactose to lactic acid and a mixed yeast culture capable of utilizing lactose and/or lactic acid. Before inoculation the substrate is sterilized without denaturation of the whey protein. With nutritional additives as required to optimize bacteria and yeast growth, the inoculated substrate is subjected to a protracted fermentation by the combined fermentative actions of multiple bacteria and multiple yeast organisms while aerating the substrate. The aerated fermentation is continued past an intermediate stage, as indicated by the pH minimum, where most of the lactose has been utilized and the lactic acid content of the substrate is inhibitory to the dairy starter culture bacteris, through an essential final stage where the protein and carbohydrate content of the substrate is converted substantially entirely to yeast cells, thereby producing an edible yeast cell mass product substantially free from whey protein, lactose, lactic acid, and bacteria cells.
摘要翻译：将乳清固体的浓缩底物用能够将乳糖转化为乳酸的混合乳制品发酵剂培养物和能够利用乳糖和/或乳酸的混合酵母培养物接种。在接种之前，将底物灭菌而不使乳清蛋白变性。使用根据需要的营养添加剂来优化细菌和酵母的生长，接种的基质通过多种细菌和多种酵母生物的组合发酵作用进行长时间的发酵，同时使底物充气。充气发酵继续经过中间阶段，如pH最小值所示，其中大部分乳糖已被使用，并且底物的乳酸含量对乳制品发酵剂培养菌具有抑制作用，通过基本的最终阶段，其中蛋白质并且底物的碳水化合物含量基本上完全转化为酵母细胞，从而产生基本上不含乳清蛋白，乳糖，乳酸和细菌细胞的食用酵母细胞群产物。

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