GB 5009.43-2023National Food Safety Standard Determination of Monodium Glutamate in MSG (English PDF)

1 Foreword

GB 5009.43-2023 is issued by State Administration for Market Regulation; Standardization Administration of China.

It replaces the earlier edition GB 5009.43-2016.

It is one of 184 parts of the GB 5009 series.

2 About this standard

Issued by: State Administration for Market Regulation; Standardization Administration of China

English translation: about 15 pages (approximate)

3 Related standards

Other parts of this standard:

GB 5009.1-2025 — National food safety standard - Physical and chemical testing - General principles

GB 5009.2-2024 — National food safety standard - Determination of relative density of food

GB 5009.3-2016 — National food safety standard - Determination of Moisture Content in Foods

GB 5009.4-2016 — National food safety standard - Determination of Ash in Foods

GB 5009.5-2025 — National food safety standard - Determination of protein in foods

GB 5009.6-2025 — National food safety standard - Determination of fat in foods

GB 5009.7-2016 — National food safety standard - Determination of reducing sugar in foods

GB 5009.8-2023 — National food safety standard - Determination of fructose, glucose, sucrose, maltose and lactose in foods

GB 5009.9-2023 — National food safety standard - Determination of starch in foods

GB 5009.11-2024 — National food safety standard - Determination of total arsenic and inorganic arsenic in food

GB 5009.12-2023 — National food safety standard - Determination of lead in foods

GB 5009.13-2017 — National food safety standard - Determination of copper in foods

GB 5009.14-2017 — National food safety standard - Determination of Zinc in Foods

GB 5009.15-2023 — National food safety standard - Determination of cadmium in foods

GB 5009.16-2023 — National food safety standard - Determination of tin in foods

GB 5009.17-2021 — Determination of total mercury and organic-mercury in foods

GB 5009.18-2025 — National food safety standard - Determination of fluorine in foods

GB 5009.22-2016 — National food safety standard - B-group and G-group aflatoxins in foods

GB 5009.24-2016 — National food safety standard - Determination of M Aflatoxins in Foods

GB 5009.25-2016 — National food safety standard - Determination of Sterigmatocystin in Food

GB 5009.26-2023 — National food safety standard - Determination of N-nitrosamines in foods

GB 5009.27-2016 — National food safety standard - Determination of Benzo(a)Pyrene in Foods

GB 5009.28-2016 — National food safety standard - Determination of Benzoic Acid, Sorbic Acid and Saccharin Sodium in Foods

GB 5009.31-2025 — National food safety standard - Determination of p-hydroxybenzoic acid esters in foods

GB 5009.32-2016 — Determination of propyl gallate in oils and fats

GB 5009.33-2025 — National food safety standard - Determination of nitrite and nitrate in foods

GB 5009.34-2022 — National food safety standard - Determination of sulfur dioxide in foods

GB 5009.35-2023 — National food safety standard - Determination of synthetic colour in foods

GB 5009.36-2023 — National food safety standard - Determination of Cyanide in Foods

GB 5009.42-2016 — National food safety standard - Determination of Table Salt Index

GB 5009.42-2025 — National food safety standard - Determination of the indices of edible salt

GB 5009.44-2016 — National food safety standard Determination of chloride in foods

GB 5009.74-2014 — Method for Limit Test of Heavy Metals in Food Additives

GB 5009.75-2014 — National food safety standard - Determination of Lead in Food Additives

GB 5009.76-2014 — National food safety standard - Determination of arsenic in food Additives

GB 5009.82-2016 — National Food Safety Standard Determination of vitamin A, D, E in food

GB 5009.83-2016 — National food safety standard - Determination of carotene in foods

GB 5009.84-2016 — National food safety standard - Determination of vitamin B1 in foods

GB 5009.85-2016 — National food safety standard - Determination of vitamin B2 in foods

GB 5009.86-2025 — National food safety standard - Determination of ascorbic acid in food

GB 5009.87-2016 — National food safety standard - Determination of Phosphorus in Foods

GB 5009.88-2023 — National food safety standard - Determination of dietary fiber in foods

GB 5009.89-2023 — National food safety standard - Determination of niacin and niacinamide in foods

GB 5009.90-2016 — National food safety standard - Determination of iron in foods

GB 5009.91-2017 — National food safety standard - Determination of potassium and sodium in foods

GB 5009.92-2016 — National food safety standard - Determination of calcium in foods

GB 5009.93-2017 — National food safety standard - Determination of selenium in foods

GB 5009.94-2012 — Determination of rare earth elements in plant food

GB 5009.96-2016 — Determination of ochratoxin A in food -- High performance liquid chromatographic method with immunoaffinity column clean-up

GB 5009.97-2023 — National food safety standard - Determination of sodium cyclamate in foods

GB 5009.111-2016 — National food safety standard - Determination of deoxynivalenol and its acetylated derivatives in food

GB 5009.118-2016 — National food safety standard - Determination of T-2 toxin in foods

GB 5009.120-2016 — National food safety standard - Determination of Sodium Propionate and Calcium Propionate in Foods

GB 5009.120-2025 — National food safety standard - Determination of propionic acid and its salts in foods

GB 5009.121-2016 — Food safety national standard - Determination of dehydroacetic acid in foods

GB 5009.123-2023 — National food safety standard - Determination of chromium in foods

GB 5009.124-2016 — National food safety standard - Determination of Amino Acid in Foods

GB 5009.128-2016 — National food safety standard - Determination of cholesterol in foods

GB 5009.129-2023 — National food safety standard - Determination of ethoxyquin in fruits

GB 5009.137-2025 — National food safety standard - Determination of antimony in foods

GB 5009.138-2024 — National food safety standard - Determination of nickel in food

GB 5009.139-2014 — National food safety standard -- Determination of caffeine in beverages

GB 5009.140-2023 — National food safety standard - Determination of acesulfame K in food

GB 5009.141-2016 — National food safety standard -- Determination of allura red in foods

GB 5009.148-2014 — Determination of Free Gossypol in Vegetable Food

GB 5009.149-2016 — Determination of crocin in foods

GB 5009.150-2016 — National food safety standard - Determination of Monascus Pigments in Foods

GB 5009.153-2016 — Determination of phytic acid in vegetable foods

GB 5009.154-2023 — National food safety standard - Determination of vitamin B6 in foods

GB 5009.156-2016 — National food safety standard - General principle of migration test pre-treatment method of food contact materials and their products

GB 5009.157-2016 — National food safety standard - Determination of Organic Acid in Foods

GB 5009.158-2016 — National food safety standard - Determination of Vitamin K1 in Foods

GB 5009.168-2016 — Determination of Fatty Acids in Foods

GB 5009.169-2016 — National food safety standard - Determination of taurine in foods

GB 5009.179-2016 — National food safety standard - Determination of trimethylamine in food

GB 5009.181-2016 — National food safety standard - Determination of malondialdehyde in food

GB 5009.182-2017 — National food safety standard - Determination of aluminum in foods

GB 5009.183-2025 — National food safety standard - Determination of urease in food

GB 5009.185-2016 — National food safety standard - Determination of Patulin in Foods

GB 5009.189-2023 — National food safety standard - Determination of bongkrekic acid in foods

GB 5009.190-2014 — Determination of Indicator Polychlorinated Biphenyls in Foods

GB 5009.191-2024 — National food safety standards--Determination of chloropropanol and its fatty acid esters and glycidyl esters in food

GB 5009.198-2016 — National food safety standard - Shellfishes - Test method of domoic acid in amnesic shellfish poisoning

GB 5009.202-2016 — National food safety standard - Determination of Polar Components (PC) in Edible Oils

GB 5009.204-2025 — National food safety standard - Determination of acrylamide in food

GB 5009.205-2024 — National food safety standard - Determination of toxic equivalents of dioxins and their analogues in food

GB 5009.206-2016 — Determination of tetrodotoxin in aquatic products -- HPLC-fluorescence detection method

GB 5009.208-2016 — National food safety standard - Determination of Biogenic Amine in Food

GB 5009.209-2016 — National food safety standard - Determination of Zearalenone in Cereals

GB 5009.210-2023 — National food safety standard - Determination of pantothenic acid in foods

GB 5009.211-2022 — National food safety standard - Determination of folates in food

GB 5009.212-2016 — National food safety standard - Determination of Diarrheic Shellfish Poison in Shellfish

GB 5009.213-2016 — Determination of paralytic shellfish poison in shellfish

GB 5009.215-2016 — National food safety standard - Determination of Organotin in Food

GB 5009.222-2016 — National food safety standard - Determination of Citrinin in Foods

GB 5009.223-2014 — Determination of ethyl amino acid ethyl ester in food

GB 5009.224-2016 — National food safety standard - Determination of trypsin inhibitor activity in soy products

GB 5009.226-2016 — National food safety standard - Determination of Hydrogen Peroxide Residual Quantity in Foods

GB 5009.227-2023 — National food safety standard - Determination of peroxide value in foods

GB 5009.228-2016 — National food safety standard - Determination of Volatile Basic Nitrogen in Food

GB 5009.229-2025 — National food safety standard - Determination of acid value in foods

GB 5009.230-2016 — Determination of carbonyl value

GB 5009.231-2016 — Determination of volatile phenolic compounds residues in fishery products Spectrophotometric method

GB 5009.232-2016 — Fruit and vegetable products -- Determination of formic acid content -- Gravimetric method

GB 5009.233-2016 — Method for analysis of hygienic standard of vinegar

GB 5009.234-2016 — Method for analysis of hygienic standard of soybean sauce

GB 5009.235-2016 — National food safety standard - Determination of Amino Acid Nitrogen in Foods

GB 5009.236-2016 — Animal and vegetable fats and oils -- Determination of moisture and volatile matter content

GB 5009.237-2016 — Determination of pH value of food

GB 5009.238-2016 — National standard for food safety - Determination of water activity in foods

GB 5009.239-2016 — National food safety standard - Determination of Acidity in Food

GB 5009.240-2023 — National food safety standard - Determination of fumonisin in foods

GB 5009.241-2017 — National food safety standard - Determination of Magnesium in Food

GB 5009.242-2017 — National food safety standard - Determination of Manganese in Food

GB 5009.243-2016 — National food safety standard - Determination of Heterocyclic Amine Substances in High-temperature Cooked Foods

GB 5009.244-2016 — National food safety standard - Determination of chlorine dioxide in food

GB 5009.245-2016 — National food safety standard - Determination of Polydextrose in Food

GB 5009.246-2016 — National food safety standard - Determination of titanium dioxide in foods

GB 5009.247-2016 — Method for the determination of Neotame in foods -- High-performance liquid chromatography

GB 5009.247-2025 — National food safety standard - Determination of neotame in foods

GB 5009.248-2016 — National food safety standard - Determination of lutein in foods

GB 5009.249-2016 — Determination of sodium iron (III) ethylenediaminetetraacetate, trihydrate in iron fortified soy sauce

GB 5009.250-2016 — National food safety standard -

GB 5009.251-2016 — National food safety standard - Determination of 1,2-propylene glycol in food

GB 5009.252-2016 — National food safety standard - Determination of Levulinic Acid in Foods

GB 5009.253-2016 — National Standard for Food Safety - Determination of Perfluorooctane Sulfonate (PFOS) and Perfluorooctanoic Acid (PFOA) in Animal-derived Food

GB 5009.254-2016 — National Standard for Food Safety - Determination of Polydimethylsiloxane in Animal and Vegetable Fats and Oils

GB 5009.255-2016 — National food safety standard - Determination of fructan in foods

GB 5009.256-2025 — National food safety standard - Determination of phosphates in foods

GB 5009.257-2016 — National food safety standard - Determination of Trans-fatty Acids in Foodstuffs

GB 5009.258-2016 — Determination of raffinose in food stuffs

GB 5009.259-2023 — National food safety standard - Determination of biotin in foods

GB 5009.260-2016 — Determination of sodium copper chlorophyllin in foods -- Spectrophotometric method

GB 5009.261-2016 — National food safety standard - Determination of neurotoxic shellfish poisoning in shellfish

GB 5009.262-2016 — Method for analysis of hygienic standard of edible oils

GB 5009.263-2016 — National Standard of Food Safety - Determination of Aspartame and Alitame in Foods

GB 5009.264-2016 — Determination of benzyl acetate in tea-drink -- Gas chromatography method

GB 5009.265-2016 — National food safety standard -- Determination of polycyclic aromatic hydrocarbons in foods

GB 5009.265-2021 — National food safety standard - Determination of polycyclic aromatic hydrocarbons in foods

GB 5009.266-2016 — Analytical methods of wine and fruit wine

GB 5009.267-2020 — National food safety standard - Determination of iodine in foods

GB 5009.268-2025 — National food safety standard - Determination of multi-elements in foods

GB 5009.269-2016 — National food safety standard - Determination of Talcum Powder in Food

GB 5009.270-2023 — National food safety standard - Determination of inositol in foods

GB 5009.271-2016 — National food safety standard - Determination of phthalates in food

GB 5009.272-2016 — Determination of phosphatidylethanolamine, phosphatidylinositol and phosphatidylcholine of soybean phospholipids

GB 5009.273-2016 — National food safety standard - Determination of Microcystin in Aquatic Products

GB 5009.274-2016 — National food safety standard - Determination of Ciguatoxin in Aquatic Products

GB 5009.275-2016 — Method for determination of Boric acid in Foods

GB 5009.276-2016 — National food safety standard - Determination of Glucono Delta-Lactone in Foods

GB 5009.277-2016 — National food safety standard - Determination of sodium hydrogen diacetate in foods

GB 5009.278-2016 — National food safety standard - Determination of ethylenediaminetetraacetates in foods

GB 5009.279-2016 — National food safety standard - Determination of Xylitol, Sorbitol, Maltitol and Erythritol in Foods

GB 5009.280-2020 — National food safety standard - Determination of 4-Hexylesorinol Residues in Foods

GB 5009.281-2020 — National food safety standard - Determination of Cinnamaldehyde Residues in Foods

GB 5009.282-2020 — National food safety standard - Determination of 1-methylimidazole, 2-methylimidazole and 4-methylimidazole in foods

GB 5009.283-2021 — Azoformamide in Food

GB 5009.284-2021 — National food safety standard - Determination of vanillin, methyl vanillin, ethyl vanillin and coumarin in foods

GB 5009.285-2022 — National food safety standard - Determination of Vitamin B12 in foods

GB 5009.286-2022 — National food safety standard - Determination of Natamycin in foods

GB 5009.287-2022 — National food safety standard - Determination of bixinin foods

GB 5009.288-2023 — National food safety standard - Determination of carmine cochineal in foods

GB 5009.289-2023 — National food safety standard - Determination of galactooligosaccharides in foods

GB 5009.290-2023 — National food safety standard - Determination of Vitamin K2 in foods

GB 5009.291-2023 — National food safety standard - Determination of chlorate and perchlorate in foods

GB 5009.292-2023 — National food safety standard - Determination of 8'-apo-beta,psi-caroten-8'-al in foods

GB 5009.293-2023 — National food safety standard - Determination of monocaprylin in foods

GB 5009.294-2023 — National food safety standard - Determination of tryptophan in foods

GB 5009.295-2023 — National food safety standard - General rules for verification of chemical analysis methods

GB 5009.296-2023 — National food safety standard - Determination of Vitamin D in foods

GB 5009.297-2023 — National food safety standard - Determination of molybdenum in foods

GB 5009.298-2023 — National food safety standard - Determination of sucralose in foods

GB 5009.299-2024 — National food safety standards--Determination of lactoferrin in food

GB 5009.300-2025 — National food safety standard - Determination of L-carnitine in foods

GB 5009.301-2025 — National food safety standard - Determination of osmotic pressure in food

GB 5009.302-2025 — National food safety standard - Determination of nonylphenol in foods

GB 5009.303-2025 — National food safety standard - Determination of yeast beta-glucan in food

GB 5009.304-2025 — National food safety standard - Determination of trivalent chromium and hexavalent chromium in foods

GB 5009.305-2025 — National food safety standard - Determination of bisphenol A, bisphenol F and bisphenol S in foods

GB 5009.306-2025 — National food safety standard - Determination of diphenyl ether in foods

GB 5009.307-2025 — National food safety standard - Determination of formaldehyde in foods

GB 5009.308-2025 — National food safety standard - Determination of ascorbyl palmitate in food

GB 5009.309-2025 — National food safety standard - Determination of asparagine and glutamine in foods

Other editions:

GB 5009.43-2016 (earlier edition)

4 Classification and status

Prefix GB: mandatory standard.