This standard specifies the hygienic requirements and inspection methods for marine crabs. This standard applies to swimming crabs, Japanese sturgeons, mud crabs and marine crabs similar in body structure to the above crabs, but not to salted products. GB 2743-1994 Hygienic Standard for Marine Crabs GB2743-1994 Standard download decompression password: www.bzxz.net

National Standard of the People's Republic of China
Hygienic standard for sea crab1Subject content and scope of application
This standard specifies the hygienic requirements and inspection methods for sea crabs. GB 274394
Replaces GB2743---81
This standard applies to swimming crabs, Japanese crabs, mud crabs and sea crabs similar to the above crabs in body structure, but not to salted products.
2 Reference standards
GB2762 Standard for the allowable amount of mercury in food
Standard for the residual amount of 666 and DDT in food such as grains and vegetablesGB2763
GB4811 Standard for the allowable amount of inorganic arsenic in seafoodGB5009.17 Determination method for total mercury in foodGB 5009. 19
GB5009.44
3 Technical requirements
3.1 Sensory index
Determination method for the residual amount of 666 and DDT in foodAnalytical method for hygienic standards for meat and meat products3.1.1 It has the inherent smell of sea crabs and no peculiar smell. 3.1.2 The texture of the body surface is clear and shiny, and there is no stomach mark above the navel. 3.1.3 The walking legs are tightly connected to the body, and the walking legs do not sag when the crab body is lifted. 3.1.4 The gill filaments are clear, white or slightly brown. 3.1.5 Crab roe is solidified and does not flow.
3.1.6 Muscle texture is clear, elastic, and not easy to pull out. 3.2 Physical and chemical indicators (see the table below)
Volatile basic nitrogen, mg/100g
BHC, DDT
Inorganic stone
4 Inspection method
4.1 Volatile basic nitrogen shall be implemented in accordance with GB5009.44. 4.2 Mercury shall be implemented in accordance with GB5009.17.
Ministry of Health of the People's Republic of China approved the specification on January 24, 1994www.bzxz.net
In accordance with GB2762
In accordance with GB2763
In accordance with GB4811
Implemented on August 1, 1994
4.3 BHC, DDT shall be implemented in accordance with GB5009.19. 4.4 Inorganic arsenic shall comply with GB5009.45.
Additional remarks:
This standard was proposed by the Health Supervision Department of the Ministry of Health. GB2743-94
This standard was drafted by Liaoning Provincial Food Hygiene Supervision and Inspection Institute, Shanghai Food Hygiene Supervision and Inspection Institute, Yantai Zhiguo District Health and Epidemic Prevention Station, and Ningbo Health and Epidemic Prevention Station.
The main drafters of this standard are Wang Zheng, Chen Min, Pi Jingbo, Lin Guomao, and Xie Donghua. This standard is interpreted by the Ministry of Health’s Food Hygiene Supervision and Inspection Institute, the technical unit entrusted by the Ministry of Health. 66
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