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How to identify protein

How to identify protein, Total:115 items.

The international standard classification for "How to identify protein" includes: Animal feeding stuffs , food products in general , Edible oils and fats. Oilseeds , Man-made fibres .

The Chinese standard classification for "How to identify protein" includes: Grain processing and products , Livestock and poultry feed and additive , Food sanitation , Oil crop and product , Basic standards and general methods , Cereal crop and product , Chemical fibre in general , Chemical fibre .


Taiwan Provincial Standard of the People's Republic of China

  • 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 2713-1978 Method for Determining of Digest Protein of Feather Meal
  • CNS 2770-5-1986 Method of Test for Feeds : Determination of Crude Protein
  • CNS 3449-1988 Methods of Test for Milk and Milk Products: The Quantitive Analysis of Protein

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/CAB 0062-2020 Identification of type Ⅲ collagen LC-MS/MS method
  • T/SHNX 001-2025 Determination of lactoferrin, α-lactalbumin and β-lactoglobulin in raw bovine milk by liquid chromatography-tandem mass spectrometry
  • T/ZJBX 10-2021 Determination of the proportion of protein hydrolysates with relative molecular weight less than 1000u in protein feed

Jilin Provincial Standard of the People's Republic of China

  • DB22/T 294-2020 Method for identification of adulteration of crude protein in corn gluten meal
  • DB22/T 3646-2024 Identification of Changbai Mountain forest frog oil High-performance liquid chromatography protein characteristic mapping method

Professional Standard - Commodity Inspection

  • SN/T 1048-2002 Cereals and feedstuffs for import and export - Identification for barley variety - Method of protein electrophoresis

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

  • GB/T 14771-1993 Method for determination of protein content in foods
  • GB/T 5009.5-2003 Determination of protein in foods
  • BJS 201707 Identification of plant-derived ingredients in plant protein beverages
  • GB/T 17811-1999 Determination of digestibility in animal protein feeds--Pepsin method
  • GB/T 17811-2025 Determination of pepsin digestibility for animal-derived protein feeds—Filtration method
  • GB/T 5009.5-1985 Method for determination of protein in foods
  • GB/T 14489.2-1993 Method for determination of crude protein in oilseed
  • GB/T 17811-2008 Determination of pepsin digestibility in animal protein feeds - Filtration method

Hebei Provincial Standard of the People's Republic of China

Professional Standard - Agriculture

Shandong Provincial Standard of the People's Republic of China

  • DB37/T 4415-2021 Detection of β-lactoglobulin gene knockout cow and β-lactoglobulin in cow's milk

Professional Standard - Textile

Shanxi Provincial Standard of the People's Republic of China

  • DB14/T 3007-2024 Raw materials for cosmetics: identification of recombinant humanized collagen

Indonesia Standards

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

International Organization for Standardization (ISO)

  • ISO 5549:1978 Caseins and caseinates; Determination of protein content (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 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 5739:2003|IDF 107:2003 Determination of casein and caseinate coke particles and foreign matter content

Korean Agency for Technology and Standards (KATS)

National Standardisation Body (ASRO)

German Institute for Standardization

  • DIN 10454:1983-03 Determination of protein content of caseins and caseinates; reference method
  • DIN 10464:1994 Determination of casein content, casein and whey protein contents in total protein of milk and milk products - Casein-phosphorus method
  • DIN 10466:2001 Determination of whey protein content in total protein of milk and milk products - Polarographic method
  • 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 10470:2011 Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method
  • DIN 10470:1999 Determination of whey protein content and casein content in total protein of milk and milk products - Derivative spectroscopic 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 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 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-...

Austrian Standards

  • ONORM DIN 10454-1993 Determination of protein content of caseins and caseinates - Reference method

Ente Nazionale Italiano di Unificazione

  • UNI 22632:2002 Oilseeds - Vegetable proteins content - Determination of total proteins (biuret method)
  • UNI 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)
  • UNI 22604:1992 Seed and vegetable oils and derived products. Vegetable proteins. Determination of crude protein.
  • UNI 22629:2002 Oilseeds - Vegetable proteins content - Determination of soluble proteins (Bradford method)

Lithuanian Standards Office

  • LST ISO 5549:2001 Caseins and caseinates. Determination of protein content (Reference method) (identical ISO 5549:1978)

Gosstandart of Russia

  • GOST R 53213-2008 Meat and meat products. Histological method of identification of plant protein additives
  • GOST 10846-1991 Grain and products of its processing. Method for determination of protein
  • GOST 25179-1990 Milk. Methods for determination of protein
  • GOST R 51470-1999 Caseins and caseinates. Method for determination of protein content
  • GOST ISO 8968-4-2021 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)..
  • GOST 33528-2015 Milk and milk products. Identification of protein composition by use of electrophoresis in polyacrylamide gel
  • GOST ISO 5548-2016 Caseins and caseinates. Photometric method for determining the mass fraction of lactose
  • GOST R 57476-2017 Bird food protein. Specifications
  • GOST R 53761-2009 Milk. The identification of protein composition by use the electrophoresis in polyakrilamide gel
  • GOST 34551-2019 Сonfectionery. Method for determination of mass fraction of protein
  • GOST 25179-2014 Milk and milk products. Method for determination of protein
  • GOST 25011-1981 Meat and meat products. Methods of protein determination

Society of Automotive Engineers (SAE)

  • SAE AMS1800B Foam, Fire Extinguishing Liquid Protein and Fluoroprotein
  • SAE AMS1800 Foam, Fire Extinguishing Liquid Protein and Fluoroprotein
  • SAE AMS1800-2011 FOAM, FIRE EXTINGUISHING LIQUID Protein and Fluoroprotein
  • SAE AMS1800A Foam, Fire Extinguishing Liquid Protein and Fluoroprotein

Bureau of Indian Standards

  • IS 11888-2005 Casiens And Caseinated - Determination Of Contents Of Scorched Particles And Of Extraneous Matter
  • IS 18836-2024 Milk and Milk Products - Determination of Nitrogen Content - Determination of Protein and Non-Protein Nitrogen Content and True Protein Content Calculation (Reference Method)
  • IS 9095-1979 Specifications for protein gummies
  • IS 7482-1989 Protein Drinks—Specifications
  • IS 7481-1974 How to measure protein efficiency ratio (PER)

Czech Standards Institute (UNMZ)

  • CSN 57 0111-5-2002 Testing methods for casein and caseinates - Determination of protein content
  • CSN 570111-5-2002 Testing methods for casein and caseinates - Determination of protein content

Cuban Institute of Standards and Metrology

Association Francaise de Normalisation

  • 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 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)

GCC Standardization Organization

  • 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)

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 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 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter

Kingdom of Bahrain Testing and Metrology Directorate

  • 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)

BELST

  • STB 1759-2007 Sugar-beet seeds. Determination of identity hybrid and rating оf sort by electrophoretic method analyses of 11S-globulins`s reserve proteins

Spanish Association for Standardization (UNE)

  • UNE 64102:1977 MIXED FEEDS AND RAW MATERIALS. TOTAL PROTEIN (RAW PROTEIN)
  • 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 34-871-1986 Processed cheese. Determination of protein content
  • 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)

Standard Association of Australia (SAA)

  • 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)

Danish Standards Foundation

  • 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)
  • 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

Standards Norway

  • 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)

Magyar Szabványügyi Testület

International Dairy Federation (IDF)

  • IDF 107-2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter

Swedish Institute for Standards

  • SS-EN ISO 8968-4:2017 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) (ISO 8968-4:2016)