GB 4789.3-2010: Translated English of Chinese Standard. GB4789.3-2010: National food safety standard - Food microbiological examination: Enumeration of coliforms
https://www.chinesestandard.net, 20 Mei 2014 - 17 halaman
This Standard specifies the methods of enumeration of coliforms in food. This Standard is applicable to the enumeration of coliforms in food.
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1:10 sample homogenate 2003 Microbiological examination 225 mL phosphate adjust pH value Annex appropriate serial dilutions autoclaving at 121șC BGLB broth tubes bile salt chloride 5.0 g coliform group coliform positive coliforms in food culture at 36 Culture Medium diluent distilled water enumeration of coliforms Escherichia coli examination of food Examination Procedure food hygiene Examination Food microbiological examination food safety standard g Distilled g Sodium GB/T inoculate LST broth Medium and Reagents Method of preparation mL of distilled mL pH mL phosphate buffer mL with distilled MPN enumeration National food safety normal saline perform autoclaving petri dish phosphate buffer solution plate colony count plate enumeration Potassium dihydrogen phosphate preparation Dissolve safety standard Food Safety Standard Microbiological secondary fermentation test Sodium chloride sodium hydroxide solution or normal standard Food microbiological Standard Microbiological Examination Staphylococcus aureus sterile suction tube suspicious colonies test tubes typical and suspicious water and perform