GB 5009.211-2022 Translated English of Chinese Standard (GB5009.211-2022): National Food Safety Standard - Determination of folates in food [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]This Standard specifies the methods of determining folates in food. This Standard is applicable to the determination of folates in food. |
Common terms and phrases
absorbance value accordance with Formula activated carbon add water adjust pH Agar Medium autoclaving blank series tubes Calcium pantothenate calculated in accordance casein constant volume constant-temperature incubator Disodium hydrogen phosphate drops of toluene enzymatic extraction method enzyme blank series folates content folates determination folates in food g of sodium hydrochloric acid hydrochloric acid solution hydroxide ethanol solution incubator at 36 Inoculating loops inoculum Lactobacillus rhamnosus light transmittance limit is 1.0 Magnesium sulfate Manganese sulfate medium for folates medium for strain mL of hydrochloric mL of water pancreas Para-aminobenzoic acid phosphate buffer Potassium dihydrogen phosphate Prepare it right quantification limit reach a constant refrigerator respectively weigh-take seed culture solution Sodium acetate sodium hydroxide ethanol Sodium hydroxide solution solution 1 mol/L specimen diluent specimen extract specimen series tubes standard curve standard series tubes standard working solution stock strains stored strain stock test tubes toluene volumetric flask water to dissolve weigh-take 0.1