This standard specifies the technical requirements, test methods, inspection rules and marking, packaging, transportation and storage requirements for industrial saccharifying enzyme preparations. This standard applies to saccharifying enzyme preparations obtained by submerged culture of Aspergillus niger (A. niger No. AS3.4309 and CW201) and its variant strains and purified. QB 1805.2-1993 Industrial saccharifying enzyme preparations QB1805.2-1993 Standard download decompression password: www.bzxz.net

Light Industry Industry Standard of the People's Republic of China
Industrial saccharifying enzyme preparations
Subject content and scope of application
QB1805.293
This standard specifies the technical requirements, test methods, inspection rules and marking, packaging, transportation and storage requirements for industrial saccharifying enzyme preparations. The standard applies to saccharifying enzyme preparations prepared by deep culture of A. niger (A. niger No. AS 3.43U9 and CW201) and its variant strains and purification.
2 Reference standards
QB/T18031 General test methods for industrial enzyme preparations QH/1801-General inspection rules and marking, packaging and transportation for industrial enzyme preparations, which are stored here 3 Product classification
The product form is divided into solid enzyme and liquid enzyme. 4 Technical requirements
4.1 Appearance requirements
Solid dosage form: yellow-brown powder, no deliquescent agglomeration, easily soluble in water. Liquid dosage form: brown liquid, with a small amount of agglomerates allowed. 4.2 Physical and chemical requirements The physical and chemical requirements shall comply with the requirements of Table 1, Sealing power, u/g (u/n) Dryness, sterilization degree [C.4CtmI (35 months) standard sieve pass rate], % g/mL PH value (2EC) Approved by the Ministry of Light Industry of the People's Republic of China on July 29, 1993 Superior product No odor Dead odor 50 0co 10c co0 1100 000 Quality product Superior product 8C 000 No odor Qualified product 80 000 1109 000
3. 0--5. 0
1994-03-01 implementation
Activity preservation rate, dead
Chengjin solution (in terms of P), %
Escherichia coli, pieces/100gWww.bzxZ.net
Total bacterial effect, pieces/g
Crane bacteria, pieces/g
Salmonella longju
25 preservation for half a year
25 ℃, preservation for three months
QB 1805. 2--93
Continued Table 1
Note: 1) The enzyme activity indicated on the label is the labeled enzyme activity. (1) The product is executed according to the contract.
Body dosage form
Superior product
First-class container
Do not pick out
) First-class products, qualified products shall not be used in the food industry (except steamed alcoholic beverages). 5 Test methods
According to QB/T1803.
6 Inspection rules and marking, packaging, transportation and storage shall be implemented in accordance with QB/T1804.
Additional instructions:
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. Here Rui
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Liquid dosage form
Superior product
Do not detect
Second-class products! Qualified products
This standard was drafted by Wuxi Enzyme Factory, Tianjin Enzyme Factory, Food Fermentation Industrial Science Research Institute of Ministry of Light Industry, Tianjin Light Industry College and Beijing Fermentation Research Institute.
The main drafters of this standard are Hou Bingyan, Wu Bingyan, Tian Qijing, Wang Herong and Guo Fengru.
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