GB 4789.2-2010 Translated English of Chinese Standard. GB4789.2-2010: National food safety standard - Food microbiological examination: Aerobic plate counthttps://www.chinesestandard.net, 2014 M05 20 - 15 pages This Standard specifies the general principles and requirements for food microbiological examination. This Standard is applicable to the food microbiological examination. |
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1:10 homogeneous solution 10-fold serial diluted 1mL sterile pipette 2003 Microbiological examination aerobic plate count Annex autoclaving at 121 average colony count blank control coliforms colonies growing corresponding dilution count agar medium culture medium digits diluted solution dilution fold distilled water Escherichia coli examination of food filled with 225 food hygiene Examination Food microbiological examination food safety standard fully mix g Distilled GB/T liquid sample lowest dilution medium and reagents method of aerobic mL accurate mL pH multiplied National food safety normal saline ēC for 15 perform autoclaving Phosphate buffer solution pipette or suction plate count agar plate shall result Potassium dihydrogen phosphate proper range recorded as countless reverse the petri safety standard Food Safety Standard Microbiological sample with suitable second dilution Shigella solution or normal standard Food microbiological Standard Microbiological Examination Staphylococcus aureus Sterile conical flasks sterile homogeneous sterile petri dishes Take 1 mL test tube