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Database: 365,228(8 Aug 2026)
  1. HOME
  2. Standards for crude protein and protein

crude protein and protein

crude protein and protein, Total:365 items.

The international standard classification for "crude protein and protein" includes: Animal and vegetable fats and oils , Processes in the food industry , Animal feeding stuffs , Edible oils and fats. Oilseeds , Vegetables and derived products , Fruits. Vegetables , food products in general , Biology. Botany. Zoology , Food additives , Cereals, pulses and derived products , Laboratory medicine , Man-made fibres , Non-alcoholic beverages , Chemicals for industrial and domestic disinfection purposes , Starch and derived products , animal produce in general .

The Chinese standard classification for "crude protein and protein" includes: Cereal crop and product , Grease and oil processing and products , Cereal crop and forage crop in general , Oil crop and product , Vegetable processing and products , Other cash crops , Food processing and products in general , Livestock and poultry feed and additive , Other fermented goods , Grain processing and products , Melon, fruit and vegetable planting and product , Sanitation in general , Chemical fibre in general , Chemical fibre , Medical laboratory equipment , Fire-fighting equipment and devices , Beverages in general , Other daily-use chemicals , Meat processing and products , Bean, tuber crop and product .

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

Professional Standard - Agriculture

Group Standards of the People's Republic of China

Hainan Provincial Standard of the People's Republic of China

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

  • GB/T 18868-2002 Method for determination of moisture,crude protein,crude fat,crude fibre,lysine and methinione in feeds--Near infrared reflectance spectroscopy
  • GB/T 14489.2-2008 Inspection of grain and oils—Determination of crude protein in oilseeds
  • GB/T 23527-2009 Proteinase preparations
  • GB/T 18868-2024 Rapid determination of moisture, crude protein, crude fibre, crude fat, lysine and methinione in feeds—Near infrared spectroscopy
  • GB/T 6432-2018 Determination of crude protein in feeds—Kjeldahl method
  • GB/T 17811-2008 Determination of pepsin digestibility in animal protein feeds - Filtration method
  • GB/T 22493-2008 Soybean protein flour
  • GB/T 8856-1988 Method for determination of crude protein in fruit and vegetable products
  • GB/T 6432-1994 Method for the determination of crude protein in feedstuffs
  • GB/T 5511-1985 Inspection of grain and oilseeds--Methods for determination of crude protein
  • GB/T 18738-2002 High protein instant soybean powder
  • GB/T 38172-2019 Protein A affinity chromatographic medium
  • GB/T 44616-2024 Peanut protein powder
  • GB/T 15673-2009 Determination of crude protein in edible mushroom
  • GB 8856-1988 Method for Determination of Crude Protein in Fruit and Vegetable Products
  • GB/T 17811-1999 Determination of digestibility in animal protein feeds--Pepsin method
  • GB/T 34793-2017 Proteinase K
  • GB/T 15673-1995 Method for determination of crude protein in edible fungi
  • GB/T 14489.2-1993 Method for determination of crude protein in oilseed

Taiwan Provincial Standard of the People's Republic of China

Professional Standard - Hygiene

  • WS/T 404.9-2018 Reference intervals for common clinical biochemistry tests Part 9: Serum C-reactive protein, prealbumin, transferrin,β2一microglobulin
  • WS/T 404.2-2012 Reference intervals for common clinical biochemistry tests—Part 2:Serum total protein and albumin
  • WS/T 121-1999 Guidelines for the immunoturbidimetric determination of serum apolipoprotein A1 and apolopoprotein B

Professional Standard - Commodity Inspection

  • SN/T 0800.3-1999 Cereals and feedstuffs for import and export - Method for the determination of crude protein
  • SN/T 5422-2022 Import and export textile - Test method for identification of textile fibers - Protein compound fiber (Soybean protein compound fiber and milk protein compound fiber)
  • SN/T 0803.9-1999 Oil bearing materials for import and export—Method for the determination of crude protein

Henan Provincial Standard of the People's Republic of China

Professional Standard - Textile

Professional Standard - Medicine

Hubei Provincial Standard of the People's Republic of China

未注明发布机构

Shandong Provincial Standard of the People's Republic of China

Professional Standard - Public Safety Standards

  • GA/T 52-1993 Quality grading for protein-foam fire extinguishing agent and fluoroprotein-foam fire extinguishing agent

Professional Standard - Ministry of Public Security Logo

  • GN 13-1982 Technical conditions of protein foam fire extinguishing agent and fluoroprotein foam fire extinguishing agent
  • GN 14-1982 Test methods for protein foam fire extinguishing agents and fluoroprotein foam fire extinguishing agents

Professional Standard - Light Industry

Professional Standard - Supply and Marketing Cooperative

Professional Standard - Business

RO-ASRO

  • STAS 21/6-1973 OILSEED RESIDUES Determination of protein of protein brut content
  • STAS 9597/3-1974 COMBINED FORAGES Determination of rough protein content
  • STAS 2213/17-1976 SWEETS Determination of total proteinic content and milk proteinic substance content
  • STAS SR 13325-1995 Animal feeding stuffs - Determination of total nitrogen content and calculation of crude protein content

ZA-SANS

German Institute for Standardization

  • 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 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 10472:1996 Determination of casein and whey protein contents of milk and milk products - Electrophoretic method
  • DIN ISO 5544:2020 Caseins - Determination of \
  • DIN 10470:2011-07 Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method
  • DIN 10470:1999-07 Determining of whey protein content and casein content in total protein of milk and milk products by derivative spectroscopy
  • DIN 10456:1989-04 Determination of pH of caseins and caseinates; reference 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 10470 E:2010 Draft Document - 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 10470 E:2010-05 Draft Document - Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method
  • DIN ISO 5545:2020-12 Rennet caseins and caseinates - Determination of ash (Reference method) (ISO 5545:2008)
  • DIN 10453:1983-03 Determination of water content of caseins and caseinates; reference method
  • DIN 10452:1983-03 Determination of ash of rennet caseins and caseinates; reference method
  • DIN ISO 5550 E:2020-06 Caseins and caseinates - Determination of moisture content (Reference method)
  • DIN ISO 5550:2020-12 Caseins and caseinates - Determination of moisture content (Reference method) (ISO 5550:2006)
  • DIN ISO 5545 E:2020-06 Rennet caseins and caseinates - Determination of ash (Reference method)
  • DIN EN ISO 21415-4:2007 Wheat and wheat flour - Gluten content - Part 4: Determination of dry gluten from wet gluten by a rapid drying method (ISO 21415-4:2006); German version EN ISO 21415-4:2007
  • DIN ISO 5546:2020-08 Draft Document - Caseins and caseinates - Determination of pH (Reference method) (ISO 5546:2010); Text in German and English
  • DIN ISO 5546:2020 Caseins and caseinates - Determination of pH (Reference method) (ISO 5546:2010)
  • DIN 10472:1996-06 Determination of casein and whey protein contents of milk and milk products - Electrophoretic method
  • DIN ISO 5550:2020 Caseins and caseinates - Determination of moisture content (Reference method) (ISO 5550:2006)
  • DIN ISO 5545:2020 Rennet caseins and caseinates - Determination of ash (Reference method) (ISO 5545:2008)
  • DIN 10466:2001-09 Determination of whey protein content in total protein of milk and milk products - Polarographic method
  • DIN 10466:2001 Determination of whey protein content in total protein of milk and milk products - Polarographic method

Ente Nazionale Italiano di Unificazione

  • UNI 22604:1992 Seed and vegetable oils and derived products. Vegetable proteins. Determination of crude protein.
  • UNI 22617:1992 Seed and vegetable oils and derived products. Vegetable proteins. In vitro determination of pepsin digestible proteins.
  • UNI 22632:2002 Oilseeds - Vegetable proteins content - Determination of total proteins (biuret method)
  • UNI ISO 5543:2018 Caseins and caseinates -- Determination of fat content -- Gravimetric method (Reference method)
  • UNI 22629:2002 Oilseeds - Vegetable proteins content - Determination of soluble proteins (Bradford method)

CZ-CSN

Gosstandart of Russia

GCC Standardization Organization

  • GSO 1374:2021 Edible Casein And Caseinates
  • GSO ISO 5546:2015 Caseins and caseinates -- Determination of pH (Reference method)
  • GSO ISO 5983:2002 ANIMAL FEEDING STUFFS – DETERMINATION OF NITROGEN CONTENT AND CALCULATION OF CRUDE PROTEIN CONTENT
  • GSO ISO 5550:2015 Caseins and caseinates -- Determination of moisture content (Reference method)
  • GSO ISO 5548:2015 Caseins and caseinates -- Determination of lactose content -- Photometric method
  • GSO ISO 5739:2015 Caseins and caseinates -- Determination of contents of scorched particles and of extraneous matter
  • GSO 1354:2022 Soy protein products
  • GSO CODEX STAN 174:2021 Vegetable Protein Products
  • GSO ISO 5543:2015 Caseins and caseinates -- Determination of fat content -- Gravimetric method (Reference method)
  • 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)

Japanese Industrial Standards Committee (JISC)

International Organization for Standardization (ISO)

  • ISO 5549:1978 Caseins and caseinates; Determination of protein content (Reference method)
  • ISO 20483:2006 Cereals and pulses - Determination of the nitrogen content and calculation of the crude protein content - Kjeldahl method
  • ISO 5546:1979 Caseins and caseinates; Determination of pH (Reference method)
  • ISO 5550:2006 Caseins and caseinates - Determination of moisture content (Reference method)
  • ISO 5739:1983 Caseins and caseinates; Determination of scorched particles content
  • ISO 5550:2006|IDF 78:2006 Caseins and caseinates — Determination of moisture content (Reference method)
  • ISO 5546:2010 | IDF 115:2010 Caseins and caseinates — Determination of pH (Reference method)
  • ISO 5546:2010|IDF 115:2010 Determination of pH value of casein and caseinate (standard method)
  • ISO 5548:2004 | IDF 106:2004 Caseins and caseinates — Determination of lactose content — Photometric method
  • ISO 5548:2004 Caseins and caseinates - Determination of lactose content - Photometric method
  • ISO 5548:2004|IDF 106:2004 Caseins and caseinates — Determination of lactose content — Photometric method
  • ISO 5546:2010 Caseins and caseinates - Determination of pH (Reference method)
  • ISO 5550:2006 | IDF 78:2006 Caseins and caseinates — Determination of moisture content (Reference method)
  • ISO 5545:2008|IDF 90:2008 Determination of abomasal casein and caseinate ash (reference method)
  • ISO 5548:1980 Caseins and caseinates; Determination of lactose content; Photometric method
  • ISO 5545:2008 Rennet caseins and caseinates - Determination of ash (Reference method)
  • ISO 5550:1978 Caseins and caseinates; Determination of water content (Reference method)
  • ISO 21415-2:2015 Wheat and wheat flour - Gluten content - Part 2: Determination of wet gluten and gluten index by mechanical means
  • ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
  • ISO 5739:2003 | IDF 107:2003 Caseins and caseinates — Determination of contents of scorched particles and of extraneous matter
  • ISO 5545:2008 | IDF 90:2008 Rennet caseins and caseinates — Determination of ash (Reference method)
  • ISO 5739:2003|IDF 107:2003 Determination of casein and caseinate coke particles and foreign matter content
  • ISO 5543:2004 | IDF 127:2004 Caseins and caseinates — Determination of fat content — Gravimetric method (Reference method)
  • ISO 21415-3:2006 Wheat and wheat flour - Gluten content - Part 3: Determination of dry gluten from wet gluten by an oven drying method
  • ISO 21415-4:2006 Wheat and wheat flour - Gluten content - Part 4: Determination of dry gluten from wet gluten by a rapid drying method
  • ISO 5543:2004 Caseins and caseinates - Determination of fat content - Gravimetric method (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 21415-1:2006 Wheat and wheat flour - Gluten content - Part 1: Determination of wet gluten by a manual method
  • ISO 5543:1986 Caseins and caseinates; Determination of fat content; Gravimetric method (Reference method)

Korean Agency for Technology and Standards (KATS)

Kingdom of Bahrain Testing and Metrology Directorate

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-1994 Foam@ Fire Extinguishing Liquid Protein and Fluoroprotein
  • SAE AMS1800B-2001 Foam@ Fire Extinguishing Liquid Protein and Fluoroprotein
  • SAE AMS1800A Foam, Fire Extinguishing Liquid Protein and Fluoroprotein

Association of Official Analytical Chemists (AOAC)

  • AOAC 981.10 AOAC Official Method 981.10 Crude Protein in Meat Block Digestion Method First Action 1981 Final Action 1983

Spanish Association for Standardization (UNE)

Lithuanian Standards Office

  • LST ISO 5549:2001 Caseins and caseinates. Determination of protein content (Reference method) (identical ISO 5549:1978)
  • LST ISO 5546:2010 Caseins and caseinates - Determination of pH (Reference method) ( ISO 5546:2010, identical)
  • LST ISO 5548:2004 Caseins and caseinates. Determination of lactose content. Photometric method (idt ISO 5548:2004)
  • LST ISO 5739:2003 Caseins and caseinates. Determination of contents of scorched particles and of extraneous matter (idt ISO 5739:2003)

AT-ON

NL-NEN

  • NEN 3145-1966 Feeding stuffs. Methodsof analysis. Determination of crude protein

British Standards Institution (BSI)

  • BS EN ISO 21415-4:2007 Wheat and wheat flour - Gluten content - Determination of dry gluten from wet gluten by a rapid drying method
  • BS EN ISO 21415-3:2007 Wheat and wheat flour - Gluten content - Determination of dry gluten from wet gluten by an oven drying method
  • BS 6248-9:1984 Caseins and caseinates-Method for the determination of scorched particles
  • BS ISO 5550:2006 Caseins and caseinates - Determination of moisture content (Reference method)
  • BS 6248-10:1986 Caseins and caseinates-Method for determination of fat (gravimetric reference method)
  • BS ISO 5546:2010 Caseins and caseinates - Determination of pH (Reference method)
  • BS 3985:1978 Specification for cyanmethaemoglobin (haemiglobincyanide) solution for photometric haemoglobinometry
  • BS ISO 5548:2004 Caseins and caseinates - Determination of lactose content - Photometric methods
  • BS EN ISO 21415-1:2007 Wheat and wheat flour - Gluten content - Determination of wet gluten by a manual method
  • BS ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
  • BS ISO 5545:2008 Rennet caseins and caseinates - Determination of ash (Reference method)
  • BS 3985:2003(2008) Haemiglobincyanide (cyanmethaemoglobin) preparation as a standard for spectrometric haemoglobinometry
  • BS 6248-11:1987 Caseins and caseinates. Method for determination of nitrate and nitrite contents
  • BS 3985:2003 Haemiglobincyanide (cyanmethaemoglobin) preparation as a standard for spectrometric haemoglobinometry
  • 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 5543:2004 Caseins and caseinates - Determination of fat content - Gravimetric method (reference method)
  • BS DD ISO/TS 27105:2010 Milk and milk products - Determination of hen's egg white lysozyme by HPLC
  • BS 3985:1966 Specification for cyanmethaemoglobin solution for photometric haemoglobinometry

Indonesia Standards

The Directorate General of Specifications and Metrology (DGSM)

  • OS GSO ISO 5546:2015 Caseins and caseinates -- Determination of pH (Reference method)
  • OS GSO ISO 5548:2015 Caseins and caseinates -- Determination of lactose content -- Photometric method
  • OS GSO ISO 5550:2015 Caseins and caseinates -- Determination of moisture content (Reference method)
  • OS GSO ISO 5543:2015 Caseins and caseinates -- Determination of fat content -- Gravimetric method (Reference method)
  • OS GSO ISO 5983:2002 ANIMAL FEEDING STUFFS – DETERMINATION OF NITROGEN CONTENT AND CALCULATION OF CRUDE PROTEIN CONTENT

Standard Association of Australia （SAA）

  • AS N60:1970 Methods for the sampling and analysis of acid and rennet caseins
  • AS 2300.10.3 SUPP 1:1991 Caseins, caseinates and coprecipitates - Assessment of colour of caseins, Part 10.3: Colour standards for untreated and heat-treated acid casein and for wet-heat-treated rennet casein (Supplement to AS 2300.10.3-1991)
  • AS 2300.10.3 SUPP 2:1991 Caseins, caseinates and coprecipitates - Assessment of colour of caseins, Part 10.3: Colour standards for untreated rennet casein (Supplement to AS 2300.10.3-1991)
  • AS 1871.9:1976 List of methods for examination of waters Nitrogen (albuminoid)
  • AS K79:1941 Joiners' glue (Casein glue)

Magyar Szabványügyi Testület

Bureau of Indian Standards

  • IS 11888-2005 Casiens And Caseinated - Determination Of Contents Of Scorched Particles And Of Extraneous Matter
  • IS 11963-2005 Caeins and Caseinates - Determination of Lactose Content - Photometric Method
  • IS 11962-2012 Rennet Caseins and Caseinates— Determination of Ash (Reference Method)
  • IS 11920-2012 Cassein and Caseinates -Determination of Moisture Content (Reference Method)
  • IS 11918-2017 Caseins and Caseinates - Determination of pH (Reference Method) (First Revision)

Association Francaise de Normalisation

  • NF V04-389:1985 Caseins and caseinates. Determination of scorched particles content.
  • NF V04-384*NF ISO 5545:2008 Rennet caseins and caseinates - Determination of ash (Reference method).
  • NF ISO 5546:2010 Caseins and caseinates - Determination of pH (Reference method)
  • NF V04-387:1985 Caseins and caseinates. Determination of protein content (reference method).
  • NF V04-388*NF ISO 5548:2008 Caseins and caseinates - Determination of lactose content - Photometric method.
  • NF ISO 5548:2008 Caseins and caseinates - Determination of lactose content - Photometric method
  • NF ISO 5550:2007 Caseins and caseinates - Determination of moisture content (reference method)
  • NF V04-382:1988 Caseins and caseinates. Determination of fat content. Gravimetric method (reference method).
  • NF ISO 5545:2008 Rennet caseins and caseinates - Determination of ash (Reference method)
  • NF V04-382:2008 Caseins and caseinates - Determination of fat content - Gravimetric method (Reference method).
  • NF V18-100:1977 Animal feeding stuffs.determination of nitrogen for the calcultion of crude protein content.

CU-NC

  • NC 74-28-1985 Cattle-Raising. Animal Feeding. Determination of Rough Protein

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

VN-TCVN

  • TCVN 7871-3-2008 Wheat and wheat flour.Gluten content.Part 3: Determination of dry gluten from wet gluten by an oven drying method
  • TCVN 7871-4-2008 Wheat and wheat ftour.Gluten content.Part 4: Determination of dry gluten from wet gluten by a rapid drying method

Danish Standards Foundation

  • DANSK DS/ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
  • DS/ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter

IN-BIS

PL-PKN

CEN - European Committee for Standardization

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

IX-EU/EC

  • 83/417/EEC-1983 Council Directive on the Approximation of the Laws of the Member States Relating to Certain Lactoproteins (Caseins and Caseinates) Intended for Human Consumption

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