This standard specifies the product classification, technical requirements, test methods, inspection rules and basic requirements for marking, packaging, transportation and storage of canned lotus seeds. This standard applies to canned lotus seeds made from lotus seeds, which are processed through peeling, pre-cooking, scouring, rinsing, canning, sealing and sterilization. QB/T 1604-1992 Canned Lotus Seeds in Clear Water QB/T1604-1992 Standard download decompression password: www.bzxz.net

Industry Standard of the People's Republic of China
Canned lotus seeds waterpack
Canned lotus seeds waterpack Subject content and scope of application
QB/T1604-92
This standard specifies the product classification, technical requirements, test methods, inspection rules and basic requirements for marking, packaging, transportation and storage of canned lotus seeds in waterpack.
This standard applies to canned lotus seeds in waterpack made from lotus seeds through de-coating, pre-cooking, lotus core catching, rinsing, canning, sealing and sterilization.
2 Reference standards
GB4789.26
Microbiological examination of food hygiene-Testing of commercial sterility of canned foodGB5009.11
GB5009.12
GB5009.13
GB5009.16
GB11671
QB1006
QB1007
Determination of total chlorine in food
Determination of lead in food
Determination method of copper in food
Determination method of tin in food
Hygienic standard for canned fruit and vegetable food
Inspection rules for canned food
Determination of net weight and solid content of canned food ZBX70004
ZBX70005
3 Terminology
3.1 Alkali-damaged lotus
Sensory inspection of canned food
Canned food packaging, labeling, transportation and storage Lotus seeds that have changed color due to alkali damage during the film removal process. 3.2 Broken lotus
Lotus seeds that are broken and fall off by more than one-third. 3.3 Hard lotus
Lotus seeds that have not cracked after sterilization.
Product classification
The product code of canned lotus seeds in water is 819. 5 Technical requirements
5.1 Raw and auxiliary materials
5.1.1 Lotus seeds are fresh and dried, without mold, rot, insect damage, black spots, serious knife wounds and poor development.
5.2 Sensory requirements
Should meet the requirements of Table 1.
Table 1 Sensory requirements
Items】
Superior products
"Lotus seeds are milky white or yellowish white, with a shiny surface. The soup is clear and the surface is shiny. The soup is relatively clear
Qualified products
【The lotus seeds are light yellow to grayish white
The surface is still shiny. The soup
com"May have a trace of precipitation
【Clear, a small amount of precipitation is allowed
The taste and smell have the taste and smell of canned lotus seeds in clear water, no peculiar smell"The lotus seeds are complete, the hardness is moderate, the size is moderate,
"Clear, precipitation is allowedbzxZ.net
The lotus seeds are complete, the hardness is moderate, the size is roughly uniform. The lotus seeds should be slightly open"The size is relatively uniform. The lotus seeds should be slightly open"The size is still uniform, the lotus seeds should be open
"Cracks, no lotus skin, lotus core, edges Broken lotus, individual lotus seeds with a small amount of cracks are allowed, a small amount of lotus seeds with lotus
tissue morphology is allowed to be no more than 8% of the solid weight, alkali "lotus skin, lotus core, edge broken lotus does not exceed "skin, lotus core, edge broken lotus does not exceed
injured lotus and hard lotus does not exceed 10% of the solid weight, alkali damage solid weight 15%,
alkali damage lotus
1 2%
5.3 Physical and chemical indicators
"lotus and hard lotus does not exceed the solid weight and hard lotus does not exceed 15% of the solid weight
1 8%
5.3.1 Net weight shall meet the requirements of net weight in Table 2. The average net weight of each batch of products shall not be less than Indicate weight. 5.3.2 Solids shall meet the requirements for solid content in Table 2. The average solid weight of each batch of products shall not be less than the specified weight.
Table 2 Requirements for net weight and solids
【Indicate weight丨Allowed tolerance丨Contains
500ml canned bottle
5.3.3 Heavy metal content
5.4 Microbiological indicators
|Allowed tolerance of specified weight
Should meet the requirements of GB11671.
Should meet the commercial sterility requirements of canned food. 5.5 Defects
If the sensory and physical indicators of the sample do not meet the requirements, it shall be counted as a defect. Defects shall be classified according to Table 3 Table 3 Classification of sample defects
Category!
Serious defects There is a distinct odor;
1 There are harmful impurities, such as broken glass, hair, foreign insects, metal shavings and tin beads with a long diameter greater than 3mm that have fallen off
General defects There are general impurities, such as cotton thread, synthetic fiber filaments and tin beads with a long diameter not greater than 3mm that have fallen off: The sensory requirements obviously do not meet the technical requirements, and the quantity limit exceeds the standard; 1 The net weight negative tolerance exceeds the allowable tolerance;
The solid weight tolerance exceeds the allowable tolerance
6 Test method
6.1 Sensory
Inspect according to the method specified in ZBX70004.
6.2 Net weight
Inspect according to the method specified in QB1007.
6.3 Solids
Inspect according to the method specified in QB1007.
6.4 Heavy metals
Determine tin, copper, lead and arsenic according to the methods specified in GB5009.16, GB5009.13, GB5009.12 and GB5009.11.
Microbiological indicators
Test according to the methods specified in GB4789.26.
7 Inspection rules
Perform according to QB1006.
8 Marking, packaging, transportation and storage
Perform according to the provisions of ZBX70005.
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. This standard is drafted by the Hunan Light Industry Research Institute and the Hunan Yuanjiang Food Canning Factory. The main drafters of this standard are Lu Haibo and Cai Fangming. Approved by the Ministry of Light Industry of the People's Republic of China on November 10, 1992 and implemented on July 1, 1993
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