GB/T 23527.1-2023Quality requirements for enzyme preparations - Part 1: Protease preparations (English PDF)
酶制剂质量要求 第1部分：蛋白酶制剂
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Issued by
State Administration for Market Regulation; Standardization Administration of China
Level / Type
National · Recommended
Issue date
March 17, 2023
Implementation date
April 1, 2024
Scope
GB/T 23527.1-2023 is the English-translated version of 酶制剂质量要求 第1部分：蛋白酶制剂.
GB/T 23527.1-2023 is the Chinese standard "Quality requirements for enzyme preparations - Part 1: Protease preparations". Its scope clause reads: This document specifies the product classification, requirements, inspection rules, marking, packaging, transportation and storage of protease preparations, and describes the test method.
This document is applicable to the production, inspection and sales of protease preparations derived from microbial fermentation or plant tissue. Its clauses include terms and definitions.
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Document preview — GB/T 23527.1-2023
National Standard of the People's Republic of China
- ICS
- 67.220.20
- Classification
- X 69
- Replacing
- GB/T 23527-2009
Issued by: State Administration for Market Regulation; Standardization Administration of China
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 3.1 protease
- 3.2 Protease preparations
- 3.4 Protease activity
1 Scope
This document specifies the product classification, requirements, inspection rules, marking, packaging, transportation and storage of protease preparations, and describes the test method.
This document is applicable to the production, inspection and sales of protease preparations derived from microbial fermentation or plant tissue.
2 Normative references
The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references
For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document.
GB/T 191 Packaging, storage and transportation icon marks
Preparation of GB/T 601 Chemical Reagent Standard Titration Solution
GB/T 602 Preparation of Standard Solution for Determination of Impurities in Chemical Reagents
Preparation of preparations and products used in GB/T 603 test methods for chemical reagents
GB/T 6682 Analytical laboratory water specifications and test methods
QB/T 1803 General test method for industrial enzyme preparations
3 Terms and Definitions
The following terms and definitions apply to this document.
3.1 protease
Enzymes that can catalyze the hydrolysis of peptide bonds inside protein molecules to convert them into polypeptides or amino acids.
3.2 Protease preparations
It is a product prepared by preparation and other processes with extracted and purified protease as the main catalytic active component.
Note. In the preparation process, ingredients that are helpful for product storage, stability and use can be added.
3.3
Under certain temperature and pH conditions, the amount of protease needed to hydrolyze casein to produce 1 µg tyrosine in 1 min is 1 enzyme activity unit.
Note. Indicated by "U".
3.4 Protease activity
The ability to catalyze the hydrolysis of protein into polypeptides and amino acids, expressed as 1g of solid protease preparation (or 1mL of liquid protease preparation) containing
Some enzyme activity units.
GB/T 20886.1 | GB/T 35920 | QB/T 5189 | GB/T 23528.3 | GB/T 23527.4 | GB/T 23527.3 | […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 37 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 191Graphical symbols marking for handling and storage of packages
- GB/T 601Chemical Reagent - Preparations of Standard Volumetric Solutions
- GB/T 602Chemical reagent - Preparation of standard solutions for impurity determination
- GB/T 603Chemical reagent - Preparations of reagent solutions for use in test methods
- GB/T 6682Water for analytical laboratory use - Specification and test methods
Similar standards
Editions of GB/T 23527.1
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 23527.1-2023 | Quality requirements for enzyme preparations - Part 1: Protease preparations | first revision | Current |
| GB/T 23527-2009 | Protease preparations | first issue | Superseded |
This page sells the current edition, GB/T 23527.1-2023. Earlier editions are listed for reference only.
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Related Standards
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