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Database: 365,228(8 Aug 2026)

protein detection method

protein detection method, Total:184 items.

The international standard classification for "protein detection method" includes: General methods of tests and analysis for food products , food products in general , Edible oils and fats. Oilseeds , Fruits. Vegetables , Animal feeding stuffs , Cereals, pulses and derived products , Milk and processed milk products , Biology. Botany. Zoology , Chemical reagents , Man-made fibres , Laboratory medicine , Meat and meat products , Protection against crime .

The Chinese standard classification for "protein detection method" includes: Basic standards and general methods , Food processing and products in general , Basic standards and general methods , Oil crop and product , Other cash crops , Livestock and poultry feed and additive , Food sanitation , Cereal crop and forage crop in general , Melon, fruit and vegetable planting and product , Children foods , Environmental Condition and General Test Method , Biochemical reagent and clinical analysis reagent , Basic standard and general method on forestry , Chemical fibre in general , Chemical fibre , Cereal crop and product , Sanitation in general , Medical laboratory equipment , Meat processing and products , Crime judging technology .


General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China

  • GB/T 24901-2010 Inspection of grain and oils—Determination of crude protein in maize—Near-infrared method
  • GB/T 24871-2010 Inspection of grain and oils—Crude protein determination in wheat flour—Near-infrared method
  • GB/T 17811-2008 Determination of pepsin digestibility in animal protein feeds - Filtration method
  • GB/T 19495.8-2004 Detection of genetically modified plants and derived products-Protein based methods
  • GB/T 15673-1995 Method for determination of crude protein in edible fungi
  • GB/T 8856-1988 Method for determination of crude protein in fruit and vegetable products
  • GB/T 5511-1985 Inspection of grain and oilseeds--Methods for determination of crude protein
  • GB/T 24899-2010 Inspection of grain and oils—Determination of crude protein in wheat—Near-infrared method
  • GB/T 24897-2010 Inspection of grain and oils—Crude protein determination in rice—Near-infrared method
  • GB/T 14489.2-1993 Method for determination of crude protein in oilseed
  • GB/T 14771-1993 Method for determination of protein content in foods
  • GB/T 5009.5-2003 Determination of protein in foods
  • GB/T 14489.2-2008 Inspection of grain and oils—Determination of crude protein in oilseeds
  • GB/T 17811-1999 Determination of digestibility in animal protein feeds--Pepsin method
  • GB/T 5413.1-1997 Milk powder and formula foods for infant and young children-Determination of protein

中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会

  • GB/T 34800-2017 Detection method of activity and impurity of proteinase K
  • GB/T 35809-2018 Method for analysis of forestry biomass—Determination of protein content
  • GB/T 33410-2016 Determination of the activity of protease K in biochemical reagents
  • GB/T 35534-2017 Examination methods of pancreatic digest of casein

Taiwan Provincial Standard of the People's Republic of China

  • CNS 5035-1986 Method of Test for Crude Protein in Food
  • CNS 3449-1988 Methods of Test for Milk and Milk Products: The Quantitive Analysis of Protein
  • CNS 3449-2007 Method of test for milk and milk products - Determination of protein
  • CNS 2770-5-1986 Method of Test for Feeds : Determination of Crude Protein
  • CNS 6511-2008 Method of test for meat and meat products - Determination of crude protein content
  • CNS 2770.5-1986 Method of Test for Feeds : Determination of Crude Protein

工业和信息化部/国家能源局

Professional Standard - Commodity Inspection

  • SN/T 0803.9-1999 Oil bearing materials for import and export—Method for the determination of crude protein
  • SN/T 2545-2010 Testing Method of Thermal Denaturation Protein in Animal Derived Food
  • SN/T 0800.3-1999 Cereals and feedstuffs for import and export - Method for the determination of crude protein

Jilin Provincial Standard of the People's Republic of China

Professional Standard - Textile

Group Standards of the People's Republic of China

  • T/ESL 22003-2023 Guideline for formulation of laying hens diet with low protein content
  • T/ZJBX 10-2021 Determination of the proportion of protein hydrolysates with relative molecular weight less than 1000u in protein feed
  • T/CVMA 17-2020 Newcastle disease virus V protein antibody indirect ELISA detection method
  • T/SDAQI 010-2021 The rapid detection of allergens (α-lactalbumin and β-lactoglobulin) in milk
  • T/QGCML 2180-2023 Western Blot detection technical specifications

Professional Standard - Agriculture

Tianjin Provincial Standard of the People's Republic of China

  • DB12/T 347-2007 Near-infrared rapid detection method of crude protein content in wheat and corn

Professional Standard - Hygiene

Hebei Provincial Standard of the People's Republic of China

Professional Standard - Medicine

国家市场监督管理总局、中国国家标准化管理委员会

  • GB/T 41366-2022 Livestock and poultry meat quality testing—Determination of moisture,protein and fat—Near-infrared spectroscopy method

卫生健康委员会

  • WS/T 404.9-2018 Reference intervals for common clinical biochemistry tests Part 9: Serum C-reactive protein, prealbumin, transferrin,β2一microglobulin

农业农村部

  • NY/T 3493-2019 Agricultural biomass raw materials. Determination of crude protein

Professional Standard - Public Safety Standards

  • GA 765-2008 Detection method of human hemoglobin—Rapid test strip

Standard Association of Australia (SAA)

  • AS 1871.9:1976 List of methods for examination of waters Nitrogen (albuminoid)
  • AS ISO 8968.4:2021 Milk and milk products — Determination of nitrogen content, Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)

HU-MSZT

CZ-CSN

AT-ON

Japanese Industrial Standards Committee (JISC)

  • JIS K 0602:2000 Proteins -- Serum albumin -- Methods for quantitative analysis
  • JIS K 0605:2000 Proteins -- Trypsin -- Methods for quantitative analysis
  • JIS K 0606:2000 Proteins -- Transferrin -- Methods for quantitative analysis
  • JIS K 0603:2000 Proteins -- Immunoglobulin -- Methods for quantitative analysis
  • JIS K 0604:2000 Proteins -- Monoclonal IgG -- Methods for quantitative analysis

Korean Agency for Technology and Standards (KATS)

  • KS H 1204-2012 Testing method for crude proteins content
  • KS H 1204-2001 Testing method for crude proteins content
  • KS H ISO 5549:2021 Caseins and caseinates — Determination of protein content(Reference method)
  • KS H ISO 5549:2006 Caseins and caseinates-Determination of protein content(Reference method)
  • KS H ISO 5549-2006(2016) Caseins and caseinates-Determination of protein content(Reference method)
  • KS H 1204-2021 Testing method for crude proteins content
  • KS J ISO 21572-2019 Foodstuffs-Methods for the detection of genetically modified organisms and derived products-Protein based methods
  • KS H ISO 5739:2006 Caseins and caseinates-Determination of scorched particles content
  • KS H ISO 5546:2006 Caseins and caseinates-Determination of pH(Reference method)
  • KS J ISO 21572:2009 Foodstuffs-Methods for the detection of genetically modified organisms and derived products-Protein based methods
  • KS J ISO 21572-2009(2019) Foodstuffs-Methods for the detection of genetically modified organisms and derived products-Protein based methods
  • KS P 1015-2012 Establishment of a reference material and evaluation method for troponin-based cardiovascular diagnostics

RU-GOST R

International Organization for Standardization (ISO)

  • ISO 5549:1978 Caseins and caseinates; Determination of protein content (Reference method)
  • ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
  • ISO 8968-4:2016 | IDF 20-4:2016 Milk and milk products — Determination of nitrogen content — Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
  • ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
  • ISO 20483:2006 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
  • ISO 5546:2010|IDF 115:2010 Determination of pH value of casein and caseinate (standard method)
  • ISO 5546:2010 | IDF 115:2010 Caseins and caseinates — Determination of pH (Reference method)
  • ISO 5739:2003|IDF 107:2003 Determination of casein and caseinate coke particles and foreign matter content
  • ISO 5546:2010 Caseins and caseinates - Determination of pH (Reference method)
  • ISO 21572:2004 Foodstuffs - Methods for the detection of genetically modified organisms and derived products - Protein based methods
  • ISO 21572:2013 Foodstuffs - Molecular biomarker analysis - Protein-based methods

KR-KS

RO-ASRO

British Standards Institution (BSI)

  • BS EN ISO 8968-4:2016 Milk and milk products. Determination of nitrogen content. Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
  • BS ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
  • BS EN ISO 8968-4:2016(2017) Milk and milk products — Determination of nitrogen content Part 4 : Determination of protein and non - protein nitrogen content and true protein content calculation (Reference method)
  • BS ISO 5546:2010 Caseins and caseinates - Determination of pH (Reference method)
  • BS ISO 5545:2008 Rennet caseins and caseinates - Determination of ash (Reference method)

German Institute for Standardization

  • DIN EN ISO 21572 Berichtigung 1:2005 Food – Methods for the detection of genetically modified organisms and their products – Protein methods
  • DIN EN ISO 21572:2004 Food – Methods for the detection of genetically modified organisms and their products – Protein methods
  • DIN EN ISO 8968-4:2016-09 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method) (ISO 8968-4:2016); German version EN ISO 8968-4:2016
  • DIN 10464:1994 Determination of casein content, casein and whey protein contents in total protein of milk and milk products - Casein-phosphorus method
  • DIN EN ISO 8968-4 E:2013-09 Determination of nitrogen content of milk and milk products Part 4: Determination of protein and non-protein nitrogen content and calculation of pure protein content (Reference Method) (Draft)
  • DIN 10466:2001 Determination of whey protein content in total protein of milk and milk products - Polarographic method
  • DIN ISO 5546:2020-12 Caseins and caseinates - Determination of pH (Reference method) (ISO 5546:2010)
  • DIN 10470:2011 Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method
  • DIN ISO 5546 E:2020-08 Caseins and caseinates - Determination of pH (Reference method)
  • DIN 10464:1994-08 Determination of casein content, casein and whey protein contents in total protein of milk and milk products - Casein-phosphorus method
  • DIN 10470:1999 Determination of whey protein content and casein content in total protein of milk and milk products - Derivative spectroscopic method
  • DIN ISO 5550 E:2020-06 Caseins and caseinates - Determination of moisture content (Reference method)
  • DIN ISO 5545:2020-12 Rennet caseins and caseinates - Determination of ash (Reference method) (ISO 5545:2008)
  • DIN ISO 5550:2020-12 Caseins and caseinates - Determination of moisture content (Reference method) (ISO 5550:2006)

IN-BIS

SCC

  • DANSK DS/EN ISO 8968-4:2016 Milk and milk products – Determination of nitrogen content – Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
  • AENOR UNE 34400-7:1967 Test methods for wheat flour. Determination of protein.
  • NS-EN ISO 8968-4:2016 Milk and milk products — Determination of nitrogen content — Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method) (ISO 8968-4:2016)
  • AENOR UNE-EN ISO 8968-4:2016 Milk and dairy products. Determination of nitrogen content. Part 4: Determination of protein and non-protein nitrogen content and calculation of true protein content (Reference method). (ISO 8968-4:2016)
  • DIN EN ISO 8968-4 E:2013 Draft Document - Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non protein nitrogen content and true protein content calculation (Reference method) (ISO/DIS 8968-4:2013); German version prEN ISO 8968-...
  • BS EN ISO 21572:2004 Foodstuffs. Methods for the detection of genetically modified organisms and derived products. Protein based methods
  • BS 6248-9:1984 Caseins and caseinates-Method for the determination of scorched particles
  • BS 6248-10:1986 Caseins and caseinates-Method for determination of fat (gravimetric reference method)

Lithuanian Standards Office

  • LST ISO 5549:2001 Caseins and caseinates. Determination of protein content (Reference method) (identical ISO 5549:1978)
  • LST EN ISO 21572:2004 Foodstuffs - Methods for the detection of genetically modified organisms and derived products - Protein based methods (ISO 21572:2004)
  • LST EN ISO 21572:2004/AC:2005 Foodstuffs - Methods for the detection of genetically modified organisms and derived products - Protein based methods (ISO 21572:2004)

Spanish Association for Standardization (UNE)

  • UNE-EN ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method) (ISO 8968-4:2016)
  • UNE 64102:1977 MIXED FEEDS AND RAW MATERIALS. TOTAL PROTEIN (RAW PROTEIN)
  • UNE 34400-7:1967 TEST METHODS OF WHEAT FLOUR. PROTEIN DETERMINATION
  • UNE 34080:1974 ANALYSIS METHODS FOR CHOCOLATES. DETERMINATION OF TOTAL NITROGEN. (PROTEINS).
  • UNE 34081:1975 ANALYSIS METHODS FOR CHOCOLATES. MILK PROTEINS.

Society of Automotive Engineers (SAE)

GSO

  • GSO 2505:2016 Method of tests for soya protein products
  • OS GSO 2505:2016 Method of tests for soya protein products
  • GSO ISO 8968-4:2021 Milk and milk products — Determination of nitrogen content — Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
  • BH GSO ISO 8968-4:2022 Milk and milk products — Determination of nitrogen content — Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)

Association Francaise de Normalisation

  • NF V04-221-4*NF EN ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4 : determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
  • NF V04-387:1985 Caseins and caseinates. Determination of protein content (reference method).
  • NF EN ISO 8968-4:2016 Milk and dairy products - Determination of nitrogen content - Part 4: determination of protein and non-protein nitrogen content and calculation of true protein content (Reference method)
  • NF ISO 5546:2010 Caseins and caseinates - Determination of pH (Reference method)
  • NF EN ISO 20418-1:2018 Textiles - Qualitative and quantitative proteomic analysis of certain animal fibers - Part 1: detection of peptides by LC ESI MS with protein reduction
  • NF EN ISO 21572:2019 Food products - Molecular biomarker analysis - Immunochemical methods for protein detection and quantification
  • NF EN ISO 20418-3:2020 Textiles - Qualitative and quantitative proteomic analysis of certain animal fibers - Part 3: detection of peptides by LC-MS without protein reduction
  • NF ISO 5550:2007 Caseins and caseinates - Determination of moisture content (reference method)

GOSTR

  • GOST 34551-2019 Сonfectionery. Method for determination of mass fraction of protein

AR-IRAM

South African Bureau of Standard

  • SANS 21572:2005 Foodstuffs - Methods for the detection of genetically modified organisms and derived products - Protein based methods
  • SANS 6039:2005 Amylaceous and proteinaceous matter detection in wood adhesives

CU-NC

CEN - European Committee for Standardization

  • EN ISO 8968-4:2001 Milk - Determination of Nitrogen Content - Part 4: Determination of Non-Protein Nitrogen Content

American Society for Testing and Materials (ASTM)

  • ASTM D7818-12 Standard Test Method for Enumeration of Proteolytic Bacteria in Fresh (Uncured) Hides and Skins

VN-TCVN

  • TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content

International Dairy Federation (IDF)

  • IDF 90-2008 Rennet caseins and caseinates - Determination of ash (Reference method)
  • IDF 78-2006 Caseins and caseinates. Determination of moisture content (Reference method)
  • IDF 107-2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter

European Committee for Standardization (CEN)

  • EN ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)

Danish Standards Foundation

  • DS/ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
  • DS 2253:1983 Water quality. Determination of aerobic proteclytic bacteria at 30 centigrades