GB/T 24401-2009 English PDF

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GB/T 24401-2009: Alpha-amylase preparation
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 24401-2009	459	Add to Cart	4 days	Alpha-amylase preparation	Valid

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Basic data

Standard ID: GB/T 24401-2009 (GB/T24401-2009)
Description (Translated English): Alpha-amylase preparation
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: X60
Classification of International Standard: 07.100.30
Word Count Estimation: 20,268
Date of Issue: 2009-09-30
Date of Implementation: 2010-03-01
Quoted Standard: GB/T 191; GB/T 601; GB/T 6682; GB 8275; QB/T 1803-1993
Regulation (derived from): National Standard Approval Announcement 2009 No.10 (Total No.150)
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary: This standard specifies the terms and definitions ��- amylase preparations, Products, requirements, test methods, inspection rules and signs, packaging, transport, storage requirements. This standard applies to starch (or sugar) as raw materials, fermentation, purification obtained ��- amylase enzyme production, inspection and shoot the sale. Mainly used in the food industry, textile industry. ��- amylase preparation available from other sources refer to the relevant class used as a feed additive. ��- amylase preparation can be performed with reference to a Class A product.

GB/T 24401-2009: Alpha-amylase preparation

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Alpha-amylase preparation ICS 07.100.30 X60 National Standards of People's Republic of China α- amylase enzyme Posted 2009-09-30 2010-03-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard QB/T 1805.1-1993 "industrial α- amylase preparation" and QB/T 2306-1997 "high temperature α- amylase system Agent "as the basis, first formulated. Appendix A of this standard is a normative appendix, Appendix B, Appendix C is informative appendix. This standard by the National Food Industry Standardization Technical Committee proposed. This standard by the National Standardization Technical Committee Technical Committee fermented food industry. This standard was drafted. Chinese Food Fermentation Industry Research Institute, Wuxi Saide Biological Engineering Co., Ltd., Shandong-long Great Biological Engineering Co. The company, Novozymes (China) Biotechnology Co., Ltd., Jiangyin City, a hundred Sheng Biological Engineering Co., Limited Xingtai Xinxin Xiangyu Biotechnology Liability company. The main drafters. Zhang Wei, Wubing Yan, GUO Qing-wen, Zhang Jing Xue, Gu Jianlong, aftermath, Guo Xinguang, Hu Hongqing Yang Xijiang, Cao Zhenyu, Lu Zhi Chong Wei Kun. α- amylase enzyme

1 Scope

This standard specifies the terms and definitions α- amylase preparation, product classification, requirements, test methods, inspection rules and signs, packaging, transportation Transport, storage requirements. This standard applies to starch (or carbohydrate) as raw materials, fermentation, purification of the resulting α- amylase enzyme production, testing and marketing Sale. Mainly for the food industry, textile industry and so on. α- amylase enzymes from other sources may refer to the relevant categories of use, used as feed additives α- amylase preparation agent can refer to a class A product execution.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 191 Packaging - Pictorial signs Preparation of GB/T 601 chemical reagent standard titration solution Laboratory use specifications and test methods GB/T 6682 Analysis GB 8275 Food additive α- amylase enzyme QB/T 1803-1993 Test method for general industrial enzymes

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 The hydrolysis of starch molecular chain α-1,4- glucoside bond, starch chains become cut off a small amount of short chain dextrin and maltose and glucose, so Starch viscosity decreased rapidly enzyme. 3.2 Under 1g solid enzyme powder (or 1mL liquid enzyme), at 60 ℃, pH value 6.0 conditions, 1h 1g soluble starch liquefaction, is an enzyme Activity unit, "u/g (u/mL)" represented. 3.3 Under 1g solid enzyme powder (or 1mL liquid enzyme), at 70 ℃, pH value 6.0 conditions, 1min 1mg soluble starch liquefaction, i.e. A unit of enzyme activity, with "u/g (u/mL)" indicates.

4 Products

4.1 Applications by product A category. food/feed industrial enzyme. Category B. other industrial enzymes. 4.2 Temperature by product Temperature and high temperature α- amylase enzyme α- amylase preparation. ......

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