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GB1886.141-2016

Chinese Standard: 'GB1886.141-2016'
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GB 1886.141-2016English179 Add to Cart Days<=3 National Food Safety Standard -- Food Additives -- D-ribose Valid GB 1886.141-2016
GB 1886.141-2016Chinese15 Add to Cart <=1-day [PDF from Chinese Authority, or Standard Committee, or Publishing House]

  Google-Books (Full-PDF will be auto-delivered in 0~10 mins):   GB 31604.11-2016  GB 31604.12-2016  GB 5009.124-2016  GB 5009.128-2016  GB 5009.84-2016
 
Standard ID: GB 1886.141-2016 (GB1886.141-2016)
Description (Translated English): (Food safety national standard - Food additive - Ribose)
Sector / Industry: National Standard
Classification of Chinese Standard: X09
Word Count Estimation: 10,149
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

GB 1886.141-2016
(Food safety national standard - Food additive - Ribose)
National Standards of People's Republic of China
National standards for food safety
Food additives d-ribose
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 d-ribose
1 Scope
This standard applies to glucose as raw material by fermentation method of food additives d-ribose.
2 chemical name, molecular formula, structural formula and relative molecular mass
2.1 Chemical name
(3R, 4R, 5R) -5- (hydroxymethyl) tetrahydrofuran-2,3,4-triol
2.2 Molecular formula
C5H10O5
2.3 Structural formula
2.4 Relative molecular mass
150.13 (according to.2007 international relative atomic mass)
3 technical requirements
3.1 sensory requirements
Sensory requirements shall comply with the requirements of Table 1.
Table 1 sensory requirements
The project requires a test method
Color white to yellowish
State crystalline powder
Place the sample on a clean white paper and observe it visually
3.2 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
d-ribose content, w /% 97.0 to 103.0 Appendix A, A.2
Melting point/℃ 80.0 ~ 90.0 Appendix A A.3
Specific rotation (20 ° C) - 21.0 ° ~ -19.0 ° GB/T 14454.5a
Dry reduction, w /% ≤ 2.0 Appendix A A.4
Burning residue, w /% ≤ 0.2 Appendix A A.5
Solution Transmittance /% ≥ 95.0 Appendix A A.6
Lead (Pb)/(mg/kg) ≤ 0.1 GB 5009.12 or GB 5009.75
Arsenic (As)/(mg/kg) ≤ 1.0 GB 5009.11 or GB 5009.76
a sample concentration. 4% (mass fraction) aqueous solution.
3.3 Microbial limits
Microbiological limits should be in accordance with Table 3.
Table 3 Microbial limits
Project limit test method
Total number of colonies/(CFU/g) ≤ 100 GB 4789.2
Mold, yeast/(CFU/g) ≤ 100 GB 4789.15
Escherichia coli/(CFU/g) ≤ 10 GB 4789.3
Salmonella/25g should not be detected GB 4789.4
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 provides three levels of water. test
The standard solution, impurity standard solution, preparation and article used in the test shall be classified according to GB/T 601, GB/T 602 and
GB/T 603. The solution used in the experiment, when not specified with the preparation of the solvent, refers to the aqueous solution.
A.2 Determination of d-ribose content
A.2.1 Methodological Summary
A chromatographic method was used to separate the specified mobile phase into a column packed with a filler by means of a high pressure infusion pump.
The injected sample is brought into the column by the mobile phase. The components are separated in the column and enter the detector in turn, either by the integrator or the data processing system
Record and process chromatographic signals.
A.2.2 Instruments and equipment
A.2.2.1 High performance liquid chromatograph.
A.2.2.2 ShodexKS-801 or other equivalent column.
A.2.2.3 10 μL dosing ring.
A.2.2.4 Electronic analytical balance (one ten thousandth).
A.2.3 Analysis requirements
A.2.3.1 Related Impurities. The main peak of the arabinose and d-ribose main peak to achieve complete separation.
A.2.3.2 Identification. Record the chromatogram, the retention time of the main peak of the reference solution and the retention time of the main peak of the sample solution
Should be consistent.
A.2.3.3 System adaptability. separation degree ≥ 1.2, relative standard deviation ≤ 0.5%, symmetry factor ≤ 1.3, theoretical plate number ≥ 2500.
A.2.4 Chromatographic conditions
A.2.4.1 Flow rate. 1.0 mL/min.
A.2.4.2 Column temperature. 80 ° C.
A.2.4.3 Detector temperature. 40 ° C.
A.2.4.4 Detector. Refractive detector.
A.2.4.5 Injection volume. 10 μL.
A.2.4.6 Run time. 15min.
A.2.4.7 Mobile phase. water.
A.2.5 Preparation of the solution
A.2.5.1 Preparation of mobile phase solution
Using chromatographic grade distilled water, the mobile phase was filtered with 0.45μm aqueous filter and ultrasonically 15min.
A.2.5.2 Preparation of impurity solutions
Accurately weigh 5 mg of arabinose in a 25 mL volumetric flask, dilute with 2% d-ribose solution and set the volume to a scale.
A.2.5.3 Contrast liquid
Accurately weighed three copies of the ref......
Related standard:   GB 1886.132-2015  GB 1886.127-2016
   
 
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