酿酒酵母提取物检测

发布时间：2024-06-21 作者：中析研究所浏览：

NY/T 3316-2018饲料原料酿酒酵母提取物

本标准规定了饲料原料酿酒酵母提取物的要求、试验方法、检验规则、标签、包装、运输、储存和保质期。本标准适用于以酿酒酵母(Saccharomyces cerevisiae)经液体发酵后得到的菌体，再经自溶或外源酶催化水解、分离细胞壁后获得的可溶性组分浓缩或干燥得到的产品。

BS EN 15789-2009动物饲料.酵母益生菌的分离和计数

This European Standard defines general rules for the enumeration of probiotic yeasts in feed samples(additives, premixtures and feeding stuffs) that contain yeast as a single microorganism component or in amixture with other microorganisms. The standard is not applicable to mineral feeds which are defined ascomplementary feedingstuffs composed mainly of minerals and containing at least 40% crude ash (CouncilDirective 79/373/EEC) [4].There are different categories of feed samples:a) Additives which contain about 10<(UP)9> CFU/g to 10<(UP)10> CFU/g (CFU = colony forming units):b) Premixtures which contain about 10<(UP)8>CFU/g,c) Feeds, meal or pellets, which contain about 10<(UP)6> CFU/g and include complete feedingstuffs, and milkreplacers.The detection limit is as defined in EN ISO 7218.