Which method is the most accurate for measuring enzyme activity?

Which method is the most accurate for measuring enzyme activity?, Total:154 items.

The international standard classification for "Which method is the most accurate for measuring enzyme activity?" includes: Biology. Botany. Zoology , Cereals, pulses and derived products , Animal feeding stuffs , Medical Sciences and health care facilities in general , Chemical reagents , General methods of tests and analysis for food products .

The Chinese standard classification for "Which method is the most accurate for measuring enzyme activity?" includes: Biological agent and blood products , Chemical reagent in general , Grain processing and products , Livestock and poultry feed and additive , Sanitation in general , Biochemical reagent and clinical analysis reagent , Basic standard and general method on forestry , Basic standards and general methods , Cereal crop and forage crop in general .

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

GB/T 23881-2009 Determination of feed cellulase activity—Filter paper assay method
GB/T 41906-2022 Assay method of superoxide dismutase activity
GB/T 18634-2009 Determination of feed phytase activity - Spectrophotometric method
GB/T 8622-1988 Method for the determination of urease activity in soya bean products
GB/T 30990-2014 Determination of the activity of lysozyme
GB/T 41907-2022 Assay method of enterokinase activity
GB/T 18634-2002 Determination of feed phytase activity-Spectrothotometric method
GB/T 32131-2015 Determination of the activity of horse radish peroxidase―Colorimetric method

中华人民共和国国家卫生和计划生育委员会

WS/T 349-2011 Reference procedure for the measurement of catalytic activity concentration of α-amylase
WS/T 222-2002 Guideline for the measurement of catalytic concentration of clinical enzymes

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 34795-2017 Determination of the activity of transglutaminase
GB/T 34799-2017 Determination of the activity of chitinase
GB/T 35808-2018 Method for analysis of forestry biomass-Determination of cellulase activity
GB/T 33410-2016 Determination of the activity of protease K in biochemical reagents

Professional Standard - Agriculture

292药典四部-2015 3500 Biological Activity-Potency Assay 3529 Recombinant Streptokinase Biological Activity Assay
287药典四部-2020 3500 Biological Activity-Potency Assay 3529 Recombinant Streptokinase Biological Activity Assay
251药典四部-2020 3400 Bioassay 3422 Human thrombin activity assay
860兽药典一部-2015 Appendix Contents 1200 Biological activity assay 1202 Penicillinase and its activity assay
GB 8622-1988 Determination method of urease activity in soybean products
159药典四部-2015 1200 Biological activity assay 1202 Penicillinase and its activity assay
147药典四部-2020 1200 Biological activity assay 1202 Penicillinase and its activity assay
302药典三部-2020 Bioassay 3422 Human thrombin activity assay
162药典四部-2015 1200 biological activity assay 1207 hyaluronidase assay
258药典四部-2015 3400 Bioassay 3422 Human thrombin activity assay
150药典四部-2020 1200 biological activity assay 1207 hyaluronidase assay
NY/T 801-2004 Method for determination of alkaline phosphatase activity in raw milk and its products
311药典三部-2015 Biological Activity - Potency Assay 3529 Recombinant Streptokinase Biological Activity Assay General Rules 137

National Health Commission of the People's Republic of China

WST 361:2011 Reference method for determination of catalytic activity concentration of lactate dehydrogenase
WST 349:2011 Reference method for determination of α-amylase catalytic activity concentration

Professional Standard - Commodity Inspection

SN/T 0800.4-1999 Cereals and feedustuffs for import and export - Method for the determination of urease activity

Professional Standard - Hygiene

WS/T 351-2011 Reference procedure for the measurement of catalytical activity concentration of alkaline phosphatase (ALP)
WS/T 361-2011 Reference procedure for the measurement of catalytic activity concentration of lactate dehydrogenase

Group Standards of the People's Republic of China

T/SBX 048-2021 Determination of α-L-iduronidase Activity in Human Peripheral Blood Leukocytes by Microplate Reader Assay
T/SBX 049-2021 Determination of β-glucocerebrosidase Activity in Human Peripheral Blood Leukocytes by Microplate Reader Assay
T/NAIA 0279-2024 Determination of protease activity in soil
T/CIFST 008-2022 Determination of the lactoperoxidase activity in milk— Colorimetric method
T/SBX 047-2021 Determination of α-Galactosidase Activity in Human Peripheral Blood Leukocytes by Microplate Reader Assay

Hebei Provincial Standard of the People's Republic of China

DB13/T 1091-2009 Determination of acid protease activity in enzyme preparations for feed - spectrophotometric method

国家能源局

NB/T 13005-2016 Cellulase evaluation methods for biofuel ethanol preparation

未注明发布机构

DIN 10750 Analysis of honey - Determination of diastase activity

Jilin Provincial Standard of the People's Republic of China

DB22/T 1819-2013 Spectrophotometric method for the determination of acid protease activity in enzyme preparations for feed

Anhui Provincial Standard of the People's Republic of China

DB34/T 1729-2012 Analysis method of dehydrogenase activity in pit mud

RU-GOST R

GOST 31487-2012 Enzyme preparations. Methods of phytase enzyme activity determination
GOST R 54330-2011(2018) Enzyme preparations for food industry. Methods for determination of amylase activity
GOST R 54330-2011 Enzyme preparations for food industry. Methods for determination of amylase activity
GOST R 54905-2012 Enzyme preparation. Methods of beta-glucanase enzyme activity determination
GOST 31662-2012 Enzyme preparations. Methods of cellulasa enzyme activity determination
GOST R 53046-2008 Enzyme preparation. Methods of detection of cellulasa activity
GOST 31488-2012 Enzyme preparations. Methods of xylanase enzyme activity determination
GOST R 53360-2009 Enzyme preparation. Methods of detection of phytase activity
GOST R 54386-2011 Honey. Methods for determination of sucrase activity, of diastase activity, of insoluble matter
GOST R 55298-2012 Enzyme preparations for food industry. Methods for determination of pectolytic activity
GOST R 53974-2010 Enzyme preparations for food industry. Method for determination of proteolitic activity
GOST ISO 22160-2015 Milk and milk-based drinks. Determination of alkaline phosphatase activity. Enzymatic photo-activated system (EPAS) method
GOST R 55979-2014 Enzyme preparations for food industry. Methods for determination of pectat- and pectin-lyaze activities
GOST R 53973-2010 Enzyme preparations. Method of detection of Beta-glucanase activity
GOST R 55293-2012 Enzyme preparations for food industry. Method for determination of cellulase activity
GOST R 55302-2012 Enzyme preparations. Method of detection of xylanase activity
GOST 34232-2017 Honey. Methods for determination of sucrase activity, of diastase activity, of insoluble matters
GOST 20264.3-1981 Enzyme preparations. Methods for determination of pectolytic complex activity
GOST R 53047-2008 Enzyme preparation. Methods of xylanase ferment activity detection
GOST 20264.4-1989 Enzyme preparations. Methods for the determination of amylase activity
GOST 20264.2-1988 Enzyme preparations. Methods for determination of proteolytic activity
GOST 23231-2016 Cooked sausage items and cooked meat products. Method for determination of residual activity of acid phosphatase
GOST ISO 13082-2014 Milk and milk products. Determination of the lipase activity of pregastric lipase preparation
GOST 33585-2015 Activated carbon. Standard test method for determination of butane activity

British Standards Institution (BSI)

BS DD ISO/TS 17193:2012 Milk. Determination of the lactoperoxidase activity. Photometric method (Reference method)
BS ISO 5506:2018 Soya bean products. Determination of urease activity
BS ISO 5725-2:2019 Accuracy (trueness and precision) of measurement methods and results - Basic method for the determination of repeatability and reproducibility of a standard measurement method
BS EN ISO 11816-2:2016 Milk and milk products. Determination of alkaline phosphatase activity. Fluorimetric method for cheese

German Institute for Standardization

DIN 10337:1993 Determination of alkaline phosphatase activity in milk; enzymatic method
DIN 10337:1993-12 Determination of alkaline phosphatase activity in milk; enzymatic method
DIN EN ISO 22160:2007-08 Milk and milk-based drinks - Determination of alkaline phosphatase activity - Enzymatic photo-activated system (EPAS) method (ISO 22160:2007); German version EN ISO 22160:2007
DIN EN ISO 22160:2007 Milk and milk-based drinks - Determination of alkaline phosphatase activity - Enzymatic photo-activated system (EPAS) method (ISO 22160:2007); English version of DIN EN ISO 22160:2007-08
DIN 58924:2022-05 Haemostaseology - Reference method for the determination of the collagen binding acitvity of the VWF; Text in German and English
DIN 10750:2006 Analysis of honey - Determination of diastase activity
DIN EN ISO 30024:2009-11 Animal feeding stuffs - Determination of phytase activity (ISO 30024:2009); German version EN ISO 30024:2009
DIN 10750:2009 Analysis of honey - Determination of diastase activity
DIN 10759:2016-12 Analysis of honey - Determination of saccharase activity - Siegenthaler method

GOSTR

GOST 34176-2017 Enzyme preparation. Methods of endo-в-glucanase ferment activity detection
GOST 34440-2018 Enzyme preparations for food industry. Methods for the determination of amylase activity
GOST 34430-2018 Enzyme preparations for food industry. Method for the determination of proteolitic activity

Association Francaise de Normalisation

NF EN ISO 22160:2007 Milk and milk-based beverages - Determination of alkaline phosphatase activity - Enzymatic photoactivation system method
NF T60-901*NF ISO 5506:2018 Soya bean products - Determination of urease activity
NF V03-942:1980 Soya bean products. Determination of urease activity.
NF EN ISO 30024:2009 Animal foodstuffs - Determination of phytase activity
NF ISO 5506:2018 Soy-derived products - Determination of urease activity

GOST

GOST R 71137-2023 Enzyme preparations for the food industry. Method for determining phospholipolytic activity
GOST R 71140-2023 Enzyme preparations for the food industry. Method for determining mannanase activity
GOST R 71138-2023 Enzym epreparations for the food industry. Method for determining milk-clotting activity
GOST R 71139-2023 Enzyme preparations for the food industry. Method for determining lipolytic activity

GSO

GSO ISO 22160:2009 Milk and milk-based drinks -Determination of alkaline phosphatase activity - Enzymatic photo-activated system (EPAS) method
OS GSO ISO 22160:2009 Milk and milk-based drinks -Determination of alkaline phosphatase activity - Enzymatic photo-activated system (EPAS) method
OS GSO ISO 5506:1997 SOYA BEAN PRODUCTS — DETERMINATION OF UREASE ACTIVITY
BH GSO ISO 30024:2017 Animal feeding stuffs -- Determination of phytase activity
GSO ISO 30024:2015 Animal feeding stuffs -- Determination of phytase activity
GSO ISO 5725-5:2010 Accuracy (trueness and precision) of measurement methods and results -- Part 5: Alternative methods for the determination of the precision of a standard measurement method

International Organization for Standardization (ISO)

ISO/TS 17193:2011 Milk - Determination of the lactoperoxidase activity - Photometric method (Reference method)
ISO 22160:2007 | IDF 209:2007 Milk and milk-based drinks — Determination of alkaline phosphatase activity — Enzymatic photo-activated system (EPAS) method
ISO 5725-4:2020 Accuracy (trueness and precision) of measurement methods and results — Part 4: Basic methods for the determination of the trueness of a standard measurement method
ISO 5506:1978 Soya-bean products — Determination of urease activity
ISO/FDIS 30024:2023 Animal feeding stuffs — Determination of phytase activity
ISO 5506:2018 Soya bean products - Determination of urease activity
ISO 5506:1988 Soya bean products; determination of urease activity
ISO 30024:2009 Animal feeding stuffs - Determination of phytase activity
ISO/DIS 30024 Animal feeding stuffs — Determination of phytase activity
ISO 30024:2024 Animal feeding stuffs — Determination of phytase activity
ISO/TS 17193:2011 | IDF/RM 208:2011 Milk — Determination of the lactoperoxidase activity — Photometric method (Reference method)

HU-MSZT

MSZ 14141/42-1981 The metal plate of the machine. Accuracy measurement method. Minimal activity error

ES-AENOR

UNE 34-878-1986 Pasteurized stabilized cheese. Determination of phosphatase activity. Reference method

SCC

NS-EN ISO 22160:2007 Milk and milk-based drinks — Determination of alkaline phosphatase activity — Enzymatic photo-activated system (EPAS) method (ISO 22160:2007)
DANSK DS/EN ISO 22160:2007 Milk and milk-based drinks - Determination of alkaline phosphatase activity - Enzymatic photo-activated system (EPAS) method
UNE 34878:1986 PASTEURIZED STABILIZED CHEESE. DETERMINATION OF THE PHOSPHATASE ACTIVITY. REFERENCE METHOD.
BS 4325-6:1980 Methods for analysis of oilseed residues-Determination of urease activity in soya bean products
DANSK DS/EN ISO 30024:2009 Animal feeding stuffs - Determination of phytase activity
BS EN ISO 30024:2024 Animal feeding stuffs. Determination of phytase activity
BS PD ISO/TS 17193:2011 Milk. Determination of the lactoperoxidase activity. Photometric method (Reference method)
BS DD ISO/TS 17193:2011 Milk. Determination of the lactoperoxidase activity. Photometric method (Reference method)

International Dairy Federation (IDF)

IDF 209-2007 Milk and milk-based drinks -- Determination of alkaline phosphatase activity -- Enzymatic photo-activated system (EPAS) method

Danish Standards Foundation

DS/EN ISO 22160:2007 Milk and milk-based drinks - Determination of alkaline phosphatase activity - Enzymatic photo-activated system (EPAS) method
DS/EN ISO 30024:2009 Animal feeding stuffs - Determination of phytase activity

American Society for Testing and Materials (ASTM)

ASTM D3048-89(2016) Standard Test Method of Assay for Alkaline Protease
ASTM D3048-89(1995)e1 Standard Test Method of Assay for Alkaline Protease
ASTM D3048-89(2009) Standard Test Method of Assay for Alkaline Protease
ASTM D5742-95(2015) Standard Test Method for Determination of Butane Activity of Activated Carbon
ASTM D5742-95(2010) Standard Test Method for Determination of Butane Activity of Activated Carbon
ASTM D5742-16(2023) Standard Test Method for Determination of Butane Activity of Activated Carbon
ASTM D5742-95(2000) Standard Test Method for Determination of the Butane Activity of Activated Carbon
ASTM D5742-95(2005) Standard Test Method for Determination of Butane Activity of Activated Carbon
ASTM D5742-16 Standard Test Method for Determination of Butane Activity of Activated Carbon

NL-NEN

NEN 5796-1989 Soil - Determination of urease activity

BE-NBN

NBN V 21-032-1983 Milk - Determination of the phosphatase activity
NBN V 21-007-1977 Determination of the phosphatase activity of butter
NBN X 03-009-1988 Precision of tests methods - Détermination of repeatabi1ity and reproductibi1ity for a standard test method by inter-laboratory tests

AR-IRAM

IRAM 25 704-1963 Textile printing and dyeing auxiliaries. Enzyme activity determination method in starch hydrolysis

AENOR

UNE-EN ISO 22160:2007 Milk and milk-based drinks - Determination of alkaline phosphatase activity - Enzymatic photo-activated system (EPAS) method (ISO 22160:2007)
UNE 22336:1996 COAL DUST EXPLOSIBILITY. TEST METHOD FOR DETERMINING THE MINIMUM IGNITION ENERGY.

CZ-CSN

CSN 01 0251-1988 Precision of test methods Determination of repeatability and repro- ducibility for a standard test mcthod by inter-laboratory tests
CSN 56 0186-9-1995 Methods of test for beer.Determination of finál attenuation
CSN 46 7092-28-1998 Testing methods for feeding stuffs - Part 28: Determination of the urease activity in the products containing soya

RO-ASRO

STAS SR 13421-1999 Enzyme preparations for confectionery industry. Invertase. Enzyme activity determination
STAS SR 13424-1999 Enzyme preparations for food industry Papain - Enzyme activity determination
STAS SR 13423-1999 Enzyme preparations for food industry -Peroxidase - Enzyme activity determination
STAS SR 13357-1996 Enzyme preparatiore for beer industry. Bacterial beta-glucanase. Enzyme activity determination
STAS SR 13265-1994 Enzyme preparations for alcohol and starch industry. Bacterial alpha-amylase. Enzyrne activity determination

Lithuanian Standards Office

LST EN ISO 22160:2007 Milk and milk-based drinks - Determination of alkaline phosphatase activity - Enzymatic photo-activated system (EPAS) method (ISO 22160:2007)

Korean Agency for Technology and Standards (KATS)

KS M 0039-2008 Determination of lipolytic activity of lipase for industrial use

AT-ON

ONORM DIN 10337-1-1993 Determination of Phosphatase activity of milk - Reference method

IN-BIS

IS 8479 Pt.2-1977 Determination of phosphatase activity in milk and dairy products Part Ⅱ Reference method
IS 8479 Pt.1-1977 Determination of phosphatase activity in milk and dairy products Part 1 General methods

CU-NC

NC 78-11-18-1984 Milk and Milk Derivatives Testing Method. Determination of Phosphatase Activity

VN-TCVN

TCVN 4847-1989 Soya bean products.Determination of urease activity

BSI

DANSK DS/ISO 30024:2024 Animal feeding stuffs – Determination of phytase activity

Japanese Industrial Standards Committee (JISC)

JIS Z 8402-5:2002 Accuracy (trueness and precision) of measurement methods and results -- Part 5: Alternative methods for the determination of the precision of a standard measurement method

Others: