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GB/T 23535-2009: Lipase preparation
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Std ID	Version	USD	Buy	Deliver [PDF] in	Title (Description)
GB/T 23535-2009	English	329	Add to Cart	3 days [Need to translate]	Lipase preparation

GB/T 23535-2009: Lipase preparation

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Lipase preparation ICS 67.220.20 X60 National Standards of People's Republic of China Lipase preparation Posted 2009-04-27 2009-11-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard QB1805.4-1993 "industrial lipase preparation" as the basis for developing. Appendix A of this standard is an informative annex. The standard proposed by China National Light Industry Council. This standard by the National Standardization Technical Committee Technical Committee fermented food industry. This standard was drafted. Chinese Food Fermentation Industry Research Institute, Novozymes (China) Biotechnology Co., Ltd. The main drafters. Zhang Wei, Zheng Haifeng, Guo Xinguang, Tang Chen, Cao Zhenyu, Kang Yi Long. Lipase preparation

1 Scope

This standard specifies the lipase preparation of terms and definitions, product classifications, requirements, test methods, inspection rules and signs, packaging, transportation, Storage. This standard applies to starch (or carbohydrate) as raw material by microbial fermentation, purification of the resulting neutral lipase preparation of the production, testing And sales.

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 (GB/T 191-2008, ISO 780.1997, MOD) Preparation of GB/T 601 chemical reagent standard titration solution GB/T 603 chemical reagent test methods in the formulation and preparation of products (GB/T 603-2002, ISO 6353-1 with. 1982, NEQ)

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 Triglyceride or fatty acid ester can be hydrolyzed to produce mono- or diglycerides and free fatty acids, natural oils and fats to glycerol and fatty acid hydrolysis, with When it can also catalyze ester synthesis and transesterification enzymes. 3.2 Lipase activity to lipase activity units, defined as 1g solid enzyme powder (or 1mL liquid enzyme), at a certain temperature and pH strips Under parts, 1min substrate hydrolysis produces 1μmol titratable fatty acid, is a unit of enzyme activity in u/g (u/mL) indicates.

4 Products

4.1 Applications by product A products --- the food industry and feed industry enzymes. Class B products --- other industrial enzyme preparations. 4.2 by product form The solid dosage form of enzymes and enzyme liquid dosage forms.

5 Requirements

5.1 Appearance Solid dosage forms. white to brown powder or granules, no lumps, no deliquescence phenomenon. odorless. Special fermentation odor. Liquid dosage forms. light yellow to brown liquid, allowing a small amount of condensate. odorless. Special fermentation odor. ...