理化指标/Physical and Chemical requirements：

水 分/ Moisture:                                  max.1%

蛋 白/ Protein:                                     max.0.5%

乳 糖/ Lactose:                                          min.99%

灰 分/ Ash:                                           max.0.3%

杂质度/ Purity:                                      Disc A/B

pH-value:                                             4.0-7.0

微生物指标/Microbiological requirements：

细菌总数/Total plate count：             max 5000/g

酵母菌和霉菌/ Yeasts and moulds: max.50/g

沙门氏菌/Salmonella:                      neg. in 25g

李斯特菌/Listeria:                neg.in 25g

凝固酶阳性葡萄球菌/Coagulase positive staphylococcus：max. 10/g

大肠菌群/Enterobacteriaceae:               max.10/g

包装/Package:

25公斤净重，多层纸袋包装，内衬塑料袋

Multi layer paper bag with PE inner bag, 25kg net weight

保质期/Shelf life:

阴凉干燥环境下储存18个月保质期

18 months will be guaranteed at cool and dry storage in original package