This standard specifies the technical requirements, test methods, inspection rules and marking, packaging, transportation and storage requirements for industrial α-amylase preparation. This standard applies to α-amylase preparations prepared by submerged culture of Bacillus myliquefaciens (Bacillusa myliquefaciens No. BF7658 and CW102) and purified. QB 1805.1-1993 Industrial α-amylase preparations QB1805.1-1993 Standard download decompression password: www.bzxz.net

Light Industry Standard of the People's Republic of China
α-Amylase preparations for industrial use
α-Amylase far industrial use1 Subject content and scope of application
QB 1805.1: 1993
The standard specifies the technical requirements, test methods, inspection rules and marking, packaging, transportation and storage requirements for α-amylase preparations for industrial use.
This standard applies to α-amylase preparations that are purified and cultured in deep water with Bacillus amyloliquefaciens (Bacillus ainyliquufacicns No. DF 7s and CW102).
2 Reference standards
QB/T1803 General test methods for industrial enzyme preparations QB/T 1804 Inspection rules and marking, packaging, transportation and storage of industrial enzyme preparations 3 Product classification
According to the form, the product is divided into two dosage forms: solid and liquid enzyme. 4 Technical requirements
4.1 External requirements
Solid dosage form should be powdery, soluble in water, and easily soluble in water. Solid dosage form should be liquid, with a small amount of condensate allowed. 4.2 Physical and chemical requirements
Physical and chemical requirements should meet the requirements in Table 1.
Enzyme activity.u/g(u/ml.)
T-drying heavy revival
No degree 10. 40mm(39 days) standard mixed sieve
Superior product
No foreign ball
Shang body dosage form
·Superior product
No Wu taste
Qualified product approved by the Ministry of Light Industry of the People's Republic of China on 1993-07-29
Superior product
Special needle washing
Liquid rest dosage form
No foreign taste
Qualified product
Implemented on 1994-03-01
Bulk weight-g/ml.
PH value<25 )
Enzyme according to the strength
25℃, stored for half a year
Storage rate%5℃. Store for three months
Heavy metals (calculated as 1b),
Fire-cooked group, pieces/100g
Total bacteria, pieces/g
Mold, pieces/8
Salmonella
Superior product
QB 1805.1-1993
Continued Table 1
Solid dosage form
First-class product
Not detectable
Note: 1) The activity indicated on the label is the indicated enzyme activity. (i) The parent product shall be executed according to the contract.
First-class product. Qualified products shall not be used in the food industry (except for distilled liquor). 5 Test methods
Perform according to QB/T 1803.
6 Inspection rules and signs, packaging, transportation, purchase and storage shall be in accordance with QB/T1804.
Additional remarks:
This standard is proposed by the Food Industry Department of the Ministry of Light Industry. This standard is under the jurisdiction of the National Food Fermentation Standardization Center. Qualified productsWww.bzxZ.net
Superior products
Liquid dosage form
First-class products
5. 5~~ 7. 0
Not detectable
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Qualified products
This standard was drafted by Wuxi Enzyme Factory, Tianjin Enzyme Factory, Light Industry City Food Fermentation Industrial Science Research Institute, Tianjin Light Industry College and Beijing Fermentation Research Institute.
The main drafters of this standard are Hou Bingtan, Hao Bingtan, Tian Qijing, Wang Furong and Guo Ru.
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