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Database: 365,228(8 Aug 2026)

a class of proteins

a class of proteins, Total:439 items.

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

The Chinese standard classification for "a class of proteins" includes: Cereal crop and product , Food sanitation , Cereal crop and forage crop in general , Grease and oil processing and products , Sanitation in general , Other cash crops , Medical laboratory equipment , Chemical fibre in general , Chemical fibre , Other fermented goods , Grain processing and products , Livestock and poultry feed and additive , Other daily-use chemicals , Beverages in general , Bean, tuber crop and product , Meat processing and products , Flavoring materials , Baking products , Fire-fighting equipment and devices , Foods fermentation and brewing in general .


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 2987-2019 Technical specifications for the detection of Bt protein expression in insect-resistant corn

Professional Standard - Agriculture

Group Standards of the People's Republic of China

国家药监局

Taiwan Provincial Standard of the People's Republic of China

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

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

Henan Provincial Standard of the People's Republic of China

Professional Standard - Medicine

Professional Standard - Textile

Professional Standard - Commodity Inspection

  • SN/T 3926-2014 Determination of protein content in dairy foods,egg foods and soy foods for export - Coomassie brilliant blue method

Shandong Provincial Standard of the People's Republic of China

未注明发布机构

Hubei 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 - Light Industry

Professional Standard - Supply and Marketing Cooperative

Professional Standard - Business

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 - Public Safety Standards

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

Professional Standard - Hygiene

  • WS/T 121-1999 Guidelines for the immunoturbidimetric determination of serum apolipoprotein A1 and apolopoprotein B
  • WS/T 461-2015 Measurement of Hemoglobin A1c
  • WS/T 404.2-2012 Reference intervals for common clinical biochemistry tests—Part 2:Serum total protein and albumin

国家药品监督管理局

国家市场监督管理总局、中国国家标准化管理委员会

海关总署

  • 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)

轻工业部

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

CZ-CSN

RO-ASRO

Japanese Industrial Standards Committee (JISC)

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 ISO 5544:2020 Caseins - Determination of \
  • 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 10470:2011-07 Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic 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 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 10470:1999 Determination of whey protein content and casein content in total protein of milk and milk products - Derivative spectroscopic method
  • DIN ISO 5550:2020-12 Caseins and caseinates - Determination of moisture content (Reference method) (ISO 5550:2006)
  • DIN ISO 5545:2020-12 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 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

ZA-SANS

RU-GOST R

GSO

KR-KS

  • KS H ISO 5549-2021 Caseins and caseinates — Determination of protein content(Reference method)
  • KS H ISO 5739-2021 Caseins and caseinates — Determination of scorched particles content
  • KS H ISO 5546-2021 Caseins and caseinates — Determination of pH(Reference method)
  • KS H ISO 5545-2021 Rennet caseins and caseinates —Determination of ash(Reference method)
  • KS H ISO 5548-2020 Caseins and caseinates-Determination of lactose content-Photometric method

Korean Agency for Technology and Standards (KATS)

SCC

  • AENOR UNE 23053:1971 BLOOD TRANSFUSION. ALBUMIN
  • BS 3985:1978 Specification for cyanmethaemoglobin (haemiglobincyanide) solution for photometric haemoglobinometry
  • UNE 64102:1977 MIXED FEEDS AND RAW MATERIALS. TOTAL PROTEIN (RAW PROTEIN)
  • 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)
  • BS 6248-10:1986 Caseins and caseinates-Method for determination of fat (gravimetric reference method)
  • AS N60:1970 Methods for the sampling and analysis of acid and rennet caseins
  • DIN 10470 E:2010 Draft Document - Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method
  • BS 6248-9:1984 Caseins and caseinates-Method for the determination of scorched particles
  • 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)
  • CAN/ULC-S563-2006(R2016) STANDAR FOR CATEGORY 3 FILM-FORMING FLUOROPROTEIN (FFFP) FOAM LIQUID CONCENTRATES
  • AS K79:1941 Joiners' glue (Casein glue)
  • AENOR UNE 23054:1971 BLOOD TRANSFUSION. GAMMAGLOBULIN
  • AENOR UNE 23055:1971 BLOOD TRANSFUSION. FIBRINOGEN
  • DANSK DS/ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
  • BS 3985:1966 Specification for cyanmethaemoglobin solution for photometric haemoglobinometry
  • AS 1871.9:1976 List of methods for examination of waters Nitrogen (albuminoid)
  • CAN/ULC S563-1998 Standard for Category 3 Film-Forming Fluoroprotein (FFFP) Foam Liquid Concentrates

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 5546:2010 Caseins and caseinates - Determination of pH (Reference method)
  • ISO 5545:2008 Rennet caseins and caseinates - Determination of ash (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 5550:2006|IDF 78:2006 Caseins and caseinates — Determination of moisture content (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 5545:2008|IDF 90:2008 Determination of abomasal casein and caseinate ash (reference 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 5548:2004|IDF 106:2004 Caseins and caseinates — Determination of lactose content — Photometric method
  • ISO 5550:1978 Caseins and caseinates; Determination of water content (Reference method)
  • ISO 5548:1980 Caseins and caseinates; Determination of lactose content; Photometric method
  • ISO 21415-2:2015 Wheat and wheat flour - Gluten content - Part 2: Determination of wet gluten and gluten index by mechanical means
  • ISO 5545:2008 | IDF 90:2008 Rennet caseins and caseinates — Determination of ash (Reference method)
  • 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 5543:2004 | IDF 127:2004 Caseins and caseinates — Determination of fat content — Gravimetric method (Reference method)
  • ISO 5739:2003|IDF 107:2003 Determination of casein and caseinate coke particles and foreign matter content
  • 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 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 5543:1986 Caseins and caseinates; Determination of fat content; Gravimetric method (Reference method)

SAE - SAE International

Society of Automotive Engineers (SAE)

AT-ON

BE-NBN

  • NBN T 91-253-1976 Water analysis methods - Determination of the albuminoid nitrogen

Lithuanian Standards Office

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

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 IEC 63281-1:2023 E - Transporters Part 1 : Terminology and classification
  • 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 ISO 5550:2006 Caseins and caseinates - Determination of moisture content (Reference method)
  • BS ISO 5546:2010 Caseins and caseinates - Determination of pH (Reference method)
  • BS ISO 5548:2004 Caseins and caseinates - Determination of lactose content - Photometric methods
  • BS 3985:2003(2008) Haemiglobincyanide (cyanmethaemoglobin) preparation as a standard for spectrometric haemoglobinometry
  • BS EN ISO 21415-1:2007 Wheat and wheat flour - Gluten content - Determination of wet gluten by a manual method
  • BS ISO 5545:2008 Rennet caseins and caseinates - Determination of ash (Reference method)
  • BS 3985:2003 Haemiglobincyanide (cyanmethaemoglobin) preparation as a standard for spectrometric haemoglobinometry
  • BS ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter

HU-MSZT

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
  • STB 1150-2013 Protein-vitamin-mineral additives. General specifications

Military Standards (MIL-STD)

GOSTR

  • GOST 34621-2019 Foods for special dietary uses. Dry protein, protein-carbohydrate and carbohydrate-protein drinks for sports nutrition. General specifications
  • GOST R 58449-2019 Vegetable protein drinks from soy-bean. General specifications

Association Francaise de Normalisation

  • NF ISO 5546:2010 Caseins and caseinates - Determination of pH (Reference method)
  • NF V04-384*NF ISO 5545:2008 Rennet caseins and caseinates - Determination of ash (Reference method).
  • NF V04-389:1985 Caseins and caseinates. Determination of scorched particles content.
  • NF ISO 5548:2008 Caseins and caseinates - Determination of lactose content - Photometric method
  • NF V04-388*NF ISO 5548:2008 Caseins and caseinates - Determination of lactose content - Photometric method.
  • NF V04-387:1985 Caseins and caseinates. Determination of protein content (reference method).
  • NF ISO 5550:2007 Caseins and caseinates - Determination of moisture content (reference method)
  • NF V54-001:2023 Matières protéiques issues des végétaux et des algues et micro-algues - Spécifications
  • NF ISO 5545:2008 Rennet caseins and caseinates - Determination of ash (Reference method)
  • NF V04-382:1988 Caseins and caseinates. Determination of fat content. Gravimetric method (reference method).
  • NF V04-382:2008 Caseins and caseinates - Determination of fat content - Gravimetric method (Reference method).

CU-NC

  • NC 26-205-1990 Blood and derivatives. Human Antimeningococcal Immunoglobulin Quality Specifications
  • NC 38-05-06-1987 Food Sanitary Standards System. Vegetable Origin Proteinic Products. General Nutritive and Hygienicál Requirements

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

PL-PKN

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)

(U.S.) Ford Automotive Standards

IN-BIS

Indonesia Standards

TR-TSE

Danish Standards Foundation

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

GOST

Defense Logistics Agency

API - American Petroleum Institute

  • API 4189-1973 Predicting The Carboxyhemoglobin Levels Resulting From Carbon Monoxide Exposures

IX-FAO

  • CAC/GL 15-1991(Ch) Guidelines for the use of non-meat protein products in the processing of livestock and poultry meat products