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Database: 365,228(8 Aug 2026)

Is crude protein the same as protein?

Is crude protein the same as protein?, Total:139 items.

The international standard classification for "Is crude protein the same as protein?" includes: Edible oils and fats. Oilseeds , food products in general , Fruits. Vegetables , Animal feeding stuffs , Vegetables and derived products , Cereals, pulses and derived products , Man-made fibres .

The Chinese standard classification for "Is crude protein the same as protein?" includes: Oil crop and product , Food processing and products in general , Other cash crops , Cereal crop and forage crop in general , Livestock and poultry feed and additive , Melon, fruit and vegetable planting and product , Vegetable processing and products , Cereal crop and product , Chemical fibre in general , Chemical fibre , Fire-fighting equipment and devices .


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

  • GB/T 8856-1988 Method for determination of crude protein in fruit and vegetable products
  • GB/T 15673-2009 Determination of crude protein in edible mushroom
  • GB/T 6432-1994 Method for the determination of crude protein in feedstuffs
  • GB/T 24901-2010 Inspection of grain and oils—Determination of crude protein in maize—Near-infrared method
  • 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
  • GB/T 24897-2010 Inspection of grain and oils—Crude protein determination in rice—Near-infrared method
  • GB/T 17811-1999 Determination of digestibility in animal protein feeds--Pepsin method
  • 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 15673-1995 Method for determination of crude protein in edible fungi
  • GB/T 5511-1985 Inspection of grain and oilseeds--Methods for determination of crude protein

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

Taiwan Provincial Standard of the People's Republic of China

  • CNS 5035-1986 Method of Test for Crude Protein in Food
  • 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
  • CNS 2770.5-1986 Method of Test for Feeds : Determination of Crude Protein

Group Standards of the People's Republic of China

Professional Standard - Agriculture

农业农村部

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

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 0803.9-1999 Oil bearing materials for import and export—Method for the determination of crude protein

Hainan Provincial Standard of the People's Republic of China

Professional Standard - Textile

Professional Standard - Public Safety Standards

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

国家市场监督管理总局、中国国家标准化管理委员会

未注明发布机构

RO-ASRO

Korean Agency for Technology and Standards (KATS)

Society of Automotive Engineers (SAE)

CZ-CSN

  • CSN 57 0111-5-2002 Testing methods for casein and caseinates - Determination of protein content
  • CSN 57 0111-1-2002 Testing methods for casein and caseinates - General regulations
  • CSN 57 0111-2-2002 Testing methods for casein and caseinates - Methods of samphng of Chemical analysis
  • CSN 570111-5-2002 Testing methods for casein and caseinates - Determination of protein content
  • CSN 57 0111-12-2002 Testing methods for casein and caseinates - Determination of pH

KR-KS

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 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
  • 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|IDF 107:2003 Determination of casein and caseinate coke particles and foreign matter content
  • 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 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)

ZA-SANS

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

SCC

  • UNE 64102:1977 MIXED FEEDS AND RAW MATERIALS. TOTAL PROTEIN (RAW PROTEIN)
  • AS N60:1970 Methods for the sampling and analysis of acid and rennet caseins
  • BS 1417:1948 Sampling and analysis of acid casein
  • AS 1871.9:1976 List of methods for examination of waters Nitrogen (albuminoid)
  • 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)
  • 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 6248-10:1986 Caseins and caseinates-Method for determination of fat (gravimetric reference method)

German Institute for Standardization

  • DIN 10464:1994 Determination of casein content, casein and whey protein contents in total protein of milk and milk products - Casein-phosphorus 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 10470:2011 Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic method
  • DIN 10472:1996 Determination of casein and whey protein contents of milk and milk products - Electrophoretic method
  • DIN 10470:1999 Determination of whey protein content and casein content in total protein of milk and milk products - Derivative spectroscopic method
  • DIN 10466:2001 Determination of whey protein content in total protein of milk and milk products - Polarographic method
  • DIN 10470:2011-07 Milk and milk products - Determination of whey protein content and casein content in total protein - Derivative spectroscopic 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 ISO 5546:2020-12 Caseins and caseinates - Determination of pH (Reference method) (ISO 5546:2010)

Lithuanian Standards Office

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

AT-ON

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

Indonesia Standards

  • SNI 8076-2014 Kolagen kasar dari sisik ikan - Syarat mutu dan pengolahan

GSO

  • BH GSO 1374:2022 Edible Casein And Caseinates
  • GSO 1374:2021 Edible Casein And Caseinates
  • 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)
  • 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)
  • GSO 2101:2010 Protein-Rich concentrated Nutrient Supplementary foods
  • GSO ISO 5546:2015 Caseins and caseinates -- Determination of pH (Reference method)
  • OS GSO ISO 5546:2015 Caseins and caseinates -- Determination of pH (Reference method)
  • BH GSO ISO 5546:2016 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

RU-GOST R

  • GOST 33956-2016 Albumine and pastes from albumin. Specifications
  • GOST 13496.4-1984 Fodder, mixed fodder and animal feed raw stuff. Methods of nitrogen and crude protein determination
  • GOST 13496.4-1993 Fodder, mixed fodder and animal feed raw stuff. Methods of nitrogen and crude protein determination
  • GOST R 57476-2017 Bird food protein. Specifications
  • GOST 31978-2012 Caseins and caseinates. Method for determination of pH

SAE - SAE International

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

CU-NC

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

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 V18-100:1977 Animal feeding stuffs.determination of nitrogen for the calcultion of crude protein content.
  • 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 ISO 5546:2010 Caseins and caseinates - Determination of pH (Reference method)

GOSTR

  • GOST 13496.4-2019 Fodder, мixed fodder and raw mixed fodder. Methods of nitrogen and crude protein determination
  • GOST 34621-2019 Foods for special dietary uses. Dry protein, protein-carbohydrate and carbohydrate-protein drinks for sports nutrition. General specifications

AENOR

  • UNE 64062:1978 MIXED FEEDS AND RAW MATERIALS. EVALUATION OF RAW PROTEIN SOLUBILIZED BY PEPSINE AND CLORHYDRIC ACID.

HU-MSZT

British Standards Institution (BSI)

  • BS ISO 5739:2003 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
  • 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 21415-4:2007 Wheat and wheat flour - Gluten content - Determination of dry gluten from wet gluten by a rapid drying 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 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

IN-BIS

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

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

NL-NEN

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

ES-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)

International Dairy Federation (IDF)

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

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