This standard specifies the technical requirements, test methods, inspection rules and marking, packaging, transportation and storage requirements for industrial fat preparation. This standard applies to neutral lipase preparations in solid dosage form obtained by submerged culture of Candida lipolytica (Y.filamentous No.AS2.1405) strain and purification. QB 1805.4-1993 Industrial lipase preparations QB1805.4-1993 Standard download decompression password: www.bzxz.net

Light Industry Industry Standard of the People's Republic of China
Industrial lipase preparations
Lipase for industrial use
Subject content and scope of application
QB1805.4-1993
This standard specifies the technical requirements, test methods, inspection rules and marking, packaging, transportation and storage requirements for industrial lipase preparations. This standard is applicable to solid dosage neutral lipase preparations prepared by deep culture of Y.filamcntnusNa.AS2.14us strain and purification.
Referenced standards
QB/T 1803I. General test methods for industrial enzyme preparations QB/T1804 General inspection rules and marking, packaging, transportation and storage for industrial enzyme preparations 3 Technical requirements
3.1 Appearance requirements
This product is grayish yellow powder, light deliquescent, no agglomeration, and easily soluble in water. 3.2 Physical and chemical requirements
Physical and chemical requirements shall comply with the provisions of Table 1.
Alcohol activity, u/g (u/mL)
Loss on drying, %bzxz.net
Fineness ((pass rate of 0.04mm (39 mesh) standard sieve)%Alcohol activity preservation rate, 5
Heavy metal (as Pb)
Eliform bacteria, pieces/100g
Total number of bacteria, pieces/g
Each bacteria, pieces/g
Salmonella
25C, stored for half a year
Note: 1) The alcohol activity indicated on the label is the indicated enzyme correction b①Export products shall be executed according to the contract.
Approved by the Ministry of Light Industry of the People's Republic of China on July 29, 1993Superior product
No peculiar smell
No rejection
Qualified product
Implemented on March 1, 1994
Customer-owned products shall not be used in the food industry,
4Test methods
According to QB/T1803.
Inspection regulations and marking, packaging, transportation and storage shall be implemented in accordance with QB/T 1801.
Additional remarks:
QB1805.4—1993
This standard was 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.TTKAONYKAca
This standard was drafted by Tianjin Enzyme Factory, Wuxi Enzyme Factory, Food Fermentation Industry Science Research Institute of the Ministry of Light Industry, Beijing Fermentation Research Institute and Otsu Light Industry College.
The main people who built this beach are Hou Bingyan, Wu Bingyan, Tian Biaojing, Guo Fengru and Wang Furong.
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