impurities in protein

impurities in protein, Total:147 items.

The international standard classification for "impurities in protein" includes: Biology. Botany. Zoology , food products in general , Animal feeding stuffs , Textiles in general , Edible oils and fats. Oilseeds , Products of the chemical industry in general , Milk and processed milk products , Man-made fibres , Sugar. Sugar products. Starch , General methods of tests and analysis for food products .

The Chinese standard classification for "impurities in protein" includes: Environmental Condition and General Test Method , Food sanitation , Basic standards and general methods , Livestock and poultry feed and additive , Silk and silk fabric in general , Oil crop and product , Basic standards and general methods for dye , Cereal crop and product , Milk and dairy products , Chemical fibre , Chemical fibre in general , Sugar refining and sugar products in general , Fire-fighting equipment and devices .

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

GB/T 34800-2017 Detection method of activity and impurity of proteinase K

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

GB/T 17811-1999 Determination of digestibility in animal protein feeds--Pepsin method
GB/T 44214-2024 Test method for non-protein content in silk
GB/T 29598-2013 Limit and determination of triazines in fluorescent brighteners
GB/T 5009.5-2003 Determination of protein in foods
GB/T 17811-2008 Determination of pepsin digestibility in animal protein feeds - Filtration method
GB/T 14771-1993 Method for determination of protein content in foods
GB/T 14489.2-1993 Method for determination of crude protein in oilseed

Hebei Provincial Standard of the People's Republic of China

DB13/T 221-1994 Method for testing the purity of corn hybrids, inbred lines, and wheat seeds - protein electrophoresis
DB13/T 1098-2009 Determination of protein in feed
DB13/T 1408-2011 High-quality protein corn cultivation technical regulations

Taiwan Provincial Standard of the People's Republic of China

CNS 5035-1986 Method of Test for Crude Protein in Food
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
CNS 3449-2007 Method of test for milk and milk products - Determination of protein
CNS 3449-1988 Methods of Test for Milk and Milk Products: The Quantitive Analysis of Protein

Professional Standard - Agriculture

NY/T 520-2002 Quality protein maize
176药典三部-2010 Appendix Ⅵ ⅥB protein assay
GB/T 5009.5-1985 Method for determination of protein in foods
NY/T 2791-2015 Guidelines for the use of non-meat protein in processed meat products
2330药典二部-2010 Appendix VII M Determination of protein content
NY/T 1678-2008 Determination of protein in milk and dairy products Biuret spectrophotometry method
GB/T 22260-2023 Determination of anabolic steroids in feeds—Liquid chromatography-tandem mass spectrometry

Group Standards of the People's Republic of China

T/ZGKSL 012-2023 Quality requirements for collagen products
T/SZBX 017-2021 Protein A affinity chromatographic medium
T/ESL 22003-2023 Guideline for formulation of laying hens diet with low protein content
T/CGCC 71-2022 Whey Protein Multigrain Fruit and Vegetable Powder
T/QGCML 4464-2024 Protein sample storage device
T/ESL 22004-2023 Guideline for formulation of broilers diet with low protein content
T/NAHIEM 72-2023 Quality requirements for medical collagen products
T/ZJBX 10-2021 Determination of the proportion of protein hydrolysates with relative molecular weight less than 1000u in protein feed
T/CIET 350-2024 Quality requirements for collagen casings
T/JXSYYXH 0004-2023 Sports nutrition food (protein supplement)
T/SZAS 40-2021 Dataset of proteomics

Professional Standard - Textile

FZ/T 54029-2010 Protein viscose filament yarns
FZ/T 50018-2013 Determination of the protein content of the protein viscose fiber
FZ/T 54028-2010 Protein viscose staple fiber

Professional Standard - Light Industry

QB/T 5007-2016 Determination of sediment in white granulated sugar

Jilin Provincial Standard of the People's Republic of China

DB22/T 1818-2013 Determination of urea-formaldehyde polymer in protein feed
DB22/T 2002-2014 Protein Rapid Detector in Milk and Milk Powder

国家市场监督管理总局、中国国家标准化管理委员会

GB/T 38172-2019 Protein A affinity chromatographic medium

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

Professional Standard - Public Safety Standards

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

National Health Commission of the People's Republic of China

GB 5009.5-2010 Determination of Protein in Foods
GB 5009.5-2016 National Food Safety Standard — Determination of Protein in Foods

未注明发布机构

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)

农业农村部

NY/T 3493-2019 Agricultural biomass raw materials. Determination of crude protein
NY/T 3298-2018 Determination of crude protein content in vegetable oilseeds—Near-infrared spectroscopy method

Agricultural Standard of the People's Republic of China

农业部1068号公告-3-2008 Determination of ten kinds of anabolic androgenic steroids in feeds.High performance liquid chromatography tandem mass spectrometry

工业和信息化部/国家能源局

JB/T 12964-2016 Fast analyzer for the protein in milk and powder milk

Professional Standard - Chemical Industry

HG/T 3645-1999 Method for the determination of aqueous extractable protein in natural rubber gloves using the Lowry method

Professional Standard - Medicine

YY/T 1151-2009 Protein microarray for in vitro diagnostics

Association Francaise de Normalisation

NF V03-944:2021 Graines protéagineuses - Pois, fèves et féveroles - Détermination des impuretés
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 V04-387:1985 Caseins and caseinates. Determination of 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)
NF V03-950*NF EN ISO 14244:2016 Oilseed meals - Determination of soluble proteins in potassium hydroxide solution

AT-ON

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

SCC

UNE 64102:1977 MIXED FEEDS AND RAW MATERIALS. TOTAL PROTEIN (RAW PROTEIN)
AWWA WQTC65752 Protein Assay in Drinking Water and Reclaimed Water
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)
AS K89:1953 Protein adhesives for plywood
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)
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)
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-...

RO-ASRO

STAS 2213/17-1976 SWEETS Determination of total proteinic content and milk proteinic substance content
STAS 21/6-1973 OILSEED RESIDUES Determination of protein of protein brut content
STAS 6182/44-1977 WIN E Determination of proteins
STAS 6356-1976 MILK AND MILK PRODUCTS Proteic substances determinat ion

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

Society of Automotive Engineers (SAE)

SAE AMS1800-2011 FOAM, FIRE EXTINGUISHING LIQUID Protein and Fluoroprotein

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 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 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 EN ISO 14244:2016-10 Oilseed meals - Determination of soluble proteins in potassium hydroxide solution (ISO 14244:2014); German version EN ISO 14244:2016
DIN 10464:1994-08 Determination of casein content, casein and whey protein contents in total protein of milk and milk products - Casein-phosphorus method

CZ-CSN

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

KR-KS

KS H ISO 5549-2021 Caseins and caseinates — Determination of protein content(Reference method)
KS H 1204-2022 Testing method for crude proteins content

Korean Agency for Technology and Standards (KATS)

KS H ISO 5549:2021 Caseins and caseinates — Determination of protein content(Reference method)
KS H ISO 5549-2006(2016) Caseins and caseinates－Determination of protein content(Reference method)
KS H ISO 5549:2006 Caseins and caseinates－Determination of protein content(Reference method)
KS H 1204-2012 Testing method for crude proteins content
KS H 1204-2001 Testing method for crude proteins content
KS H ISO 5739:2006 Caseins and caseinates－Determination of scorched particles content
KS H 1204-2021 Testing method for crude proteins content

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 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 Caseins and caseinates - Determination of contents of scorched particles and of extraneous matter
ISO 5739:2003|IDF 107:2003 Determination of casein and caseinate coke particles and foreign matter content
ISO 14244:2014 Oilseed meals - Determination of soluble proteins in potassium hydroxide solution

AR-IRAM

IRAM 15 707-1963 How to measure plant protein in food

RU-GOST R

GOST R 53011-2008 Mixed feeds, protein-vitamin-mineral concentrates, premixes. Methods for determination of metallomagnetic impurity
GOST R 57476-2017 Bird food protein. Specifications
GOST 31484-2012 Mixed feeds, protein-vitamin-mineral concentrates, premixes. Methods for determination of metallomagnetic impurity
GOST 25179-1990 Milk. Methods for determination of protein
GOST 10846-1991 Grain and products of its processing. Method for determination of protein
GOST R 57475-2017 Dried egg protein after extraction lysozyme. Specifications
GOST R 54478-2011 Grain. Methods of determination quantity and quality of gluten in wheat

HU-MSZT

MSZ 21340-1980 animal protein feed
MNOSZ 448-28.lap-1955 Water testing - amino acid protein testing

IN-BIS

IS 9095-1979 Specifications for protein gummies
IS 7482-1989 Protein Drinks—Specifications
IS 7219-1973 Methods for determination of protein in food and feed
IS 1167-1965 Casein specifications (food quality)
IS 8665-1977 Specification for protein fortified bread
IS 13650-1993 Glass containers for proteinized food
IS 7487-1986 Specifications for protein-rich cookies
IS 6557-1972 Protein Flakes Specifications Not Food Quality
IS 9038-1979 Specification for Renewable Protein Beverages and Food Products
IS 2006-1988 Methods for the quantitative chemical analysis of binary mixtures of protein fibers and certain other non-protein fibers
IS 7481-1974 How to measure protein efficiency ratio (PER)

PL-PKN

PN C04288-14-1987 Technical fats Methods of testing Determination of protein content

GSO

GSO 2101:2010 Protein-Rich concentrated Nutrient Supplementary foods
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)
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)

ZA-SANS

SANS 6039:2005 Amylaceous and proteinaceous matter detection in wood adhesives
CKS 458-2008 Protein, vitamin, mineral (PVM) supplementary food mixture

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 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
BS EN ISO 14244:2016 Oilseed meals. Determination of soluble proteins in potassium hydroxide solution

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)

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)

CU-NC

NC 86-05-1984 Cereals. Flours Determination of Protein

American Society for Testing and Materials (ASTM)

ASTM D7818-12 Standard Test Method for Enumeration of Proteolytic Bacteria in Fresh (Uncured) Hides and Skins

CH-SNV

SN 210 100-1987 Technical drawings - Sizes and layout of drawing sheets

GOSTR

GOST 34551-2019 Сonfectionery. Method for determination of mass fraction of protein
GOST 34621-2019 Foods for special dietary uses. Dry protein, protein-carbohydrate and carbohydrate-protein drinks for sports nutrition. General specifications

NL-NEN

NEN 1969-1965 Testing of pulp. Determination of the number of impurities in bleached pulp

BELST

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

CEN - European Committee for Standardization

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

Danish Standards Foundation

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

ES-AENOR

UNE 34-871-1986 Processed cheese. Determination of protein content

International Dairy Federation (IDF)

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