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Database: 365,228(8 Aug 2026)

identification of proteins

identification of proteins, Total:54 items.

The international standard classification for "identification of proteins" includes: food products in general , Animal feeding stuffs , Edible oils and fats. Oilseeds , Farming and forestry .

The Chinese standard classification for "identification of proteins" includes: Food sanitation , Livestock and poultry feed and additive , Oil crop and product , Plant quarantine, pest control , Grain processing and products .


Group Standards of the People's Republic of China

  • T/SHNX 001-2025 Determination of lactoferrin, α-lactalbumin and β-lactoglobulin in raw bovine milk by liquid chromatography-tandem mass spectrometry
  • T/DDBYSXH 004-2022 Identification of ivory white jade
  • T/CAB 0062-2020 Identification of type Ⅲ collagen LC-MS/MS method

Taiwan Provincial Standard of the People's Republic of China

  • CNS 2713-1978 Method for Determining of Digest Protein of Feather Meal

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

Hebei Provincial Standard of the People's Republic of China

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

Professional Standard - Commodity Inspection

  • SN/T 1048-2002 Cereals and feedstuffs for import and export - Identification for barley variety - Method of protein electrophoresis
  • SN/T 3666-2013 Detection and identification of Hylobius pales(Herbst)
  • SN/T 1348-2004 Methods for quarantine and identification of white-fringed weevil

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

Gosstandart of Russia

  • GOST 33528-2015 Milk and milk products. Identification of protein composition by use of electrophoresis in polyacrylamide gel
  • GOST R 53213-2008 Meat and meat products. Histological method of identification of plant protein additives
  • GOST 25179-1990 Milk. Methods for determination of protein

Indonesia Standards

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)

Korean Agency for Technology and Standards (KATS)

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

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

National Standardisation Body (ASRO)

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)

Lithuanian Standards Office

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

Bureau of Indian Standards

  • 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 11888-2005 Casiens And Caseinated - Determination Of Contents Of Scorched Particles And Of Extraneous Matter

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

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

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)

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)

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)

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)