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National Food Safety Standard -- Food Additives -- Casein sodium (also known as casein sodium)
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GB 1886.212-2016
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Basic data Standard ID | GB 1886.212-2016 (GB1886.212-2016) | Description (Translated English) | National Food Safety Standard -- Food Additives -- Casein sodium (also known as casein sodium) | Sector / Industry | National Standard | Classification of Chinese Standard | X40 | Word Count Estimation | 4,473 | Date of Issue | 2016-08-31 | Date of Implementation | 2017-01-01 | Regulation (derived from) | Announcement of the State Administration of Public Health and Family Planning 2016 No.11 | Issuing agency(ies) | National Health and Family Planning Commission of the People's Republic of China, State Food and Drug Administration |
GB 1886.212-2016: National Food Safety Standard -- Food Additives -- Casein sodium (also known as casein sodium) ---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
(Food safety national standard - Food additive - Sodium caseinate (also known as sodium caseinate))
National Standards of People's Republic of China
National standards for food safety
Food Additives Sodium caseinate (also known as sodium caseinate)
2016-08-31 released
2017-01-01 Implementation
People's Republic of China
National Health and Family Planning Commission released
National standards for food safety
Food Additives Sodium caseinate (also known as sodium caseinate)
1 Scope
This standard applies to fresh milk degreased, the acid point of the curd or from the casein products as raw materials, by sodium hydroxide or sodium carbonate treatment, dry
Dry made of food additives sodium caseinate.
2 technical requirements
2.1 sensory requirements
Sensory requirements shall comply with the requirements of Table 1.
Table 1 sensory requirements
The project requires a test method
Color milky white or light yellow
State powder or granular
Odorless, tasteless or slightly pungent odor
No visible foreign matter
Take appropriate sample on a clean, dry white porcelain dish
In the natural light, observe the color, state
And smell, and smell the smell
2.2 physical and chemical indicators
Physical and chemical indicators should be consistent with the provisions of Table 2.
Table 2 Physical and chemical indicators
Item Index Test Method
Protein (dry basis), w /% ≥ 88.0 GB 5009.5 Kjeldahl method a
Fat, w /% ≤ 2.0 GB 5009.6
Ash, w /% ≤ 6.0 GB 5009.4b
Moisture, w /% ≤ 6.0 GB 5009.3 Direct drying method c
pH 6.0 to 7.5 Appendix A, A.3
Total arsenic (in As)/(mg/kg) ≤ 2.0 GB 5009.11
Lead (Pb)/(mg/kg) ≤ 1.0 GB 5009.12
The total nitrogen content measured by Kjeldahl is multiplied by 6.38 (N x 6.38).
b burning temperature and time (825 ℃ ± 25 ℃, 6h).
c drying temperature and time (102 ℃, 3.5h ~ 4h).
2.3 Microbial limits
Microbiological indicators should be in accordance with Table 3.
Table 3 Microbiological indicators
Item Index Test Method
Total number of colonies/(CFU/g) ≤ 10000 GB 4789.2
Coliform bacteria/(CFU/g) ≤ 10 GB 4789.3 plate count method
Appendix A
Testing method
A.1 General provisions
The reagents and water used in this standard, when not specified in other requirements, refer to the analysis of pure reagents and GB/T 6682 specified in the three
water. Standard titration solution used in the test method, standard solution for the determination of impurities, preparations and articles, in the absence of other requirements,
GB/T 601, GB/T 602 and GB/T 603. The solution used in the test refers to water when it is not specified with the formulation of the solvent
Solution.
A.2 Identification test
A.2.1 Solubility
Slowly dispersed in water, slightly turbid, soluble in boiling water, insoluble in ethanol.
A.2.2 Burning test
Take the sample 0.1g burning smoke, and issued a specific odor, the remaining residue dissolved in water, litmus paper was alkaline.
A.2.3 Biuretidation reaction
Take 0.1g of sample into 10mL 1mol/L sodium hydroxide solution, add 1 drop of 6.2% copper sulfate solution, shake, produce blue sink
Lake, liquid was violet.
A.2.4 isoelectric point precipitation
0.1 g of the sample was dissolved in 10 mL of 1 mol/L sodium hydroxide solution, and acetic acid was added to make it weakly acidic to produce a white flocculent precipitate.
A.2.5 color reaction
Take sample 0.1g add water 5mL, shake, add 10 drops of 68.5% mercury nitrate solution and 1 drop of 10% sodium nitrite solution, in the water bath
Hot 3min, after swelling on the surface of the sample showed reddish brown.
A.3 Determination of pH
The sample was formulated as a 2% aqueous solution and measured at a temperature of about 20 ° C with an acidity meter.
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