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GB 28365-2012: Food additives -- 4-hydroxy-2, 5-dimethyl-3 (2H) furanone
Status: Valid
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Food additives -- 4-hydroxy-2, 5-dimethyl-3 (2H) furanone
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Basic data
Standard ID: GB 28365-2012 (GB28365-2012)
Description (Translated English): Food additives -- 4-hydroxy-2, 5-dimethyl-3 (2H) furanone
Sector / Industry: National Standard
Classification of Chinese Standard: C54;X40
Classification of International Standard: 67.220.20
Word Count Estimation: 7,764
Regulation (derived from): Ministry of Health Bulletin No. 7 of 2012
Issuing agency(ies): Ministry of Health of the People's Republic of China
Summary: This Chinese standard applies to ethyl lactate or 1, 2 propanediol for raw materials for food additives 4 hydroxy -2, 5 dimethyl -3 (2H) furanone.
GB 28365-2012: Food additives -- 4-hydroxy-2, 5-dimethyl-3 (2H) furanone
---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.
Foods 4 - hydroxy - 2, 5 - dimethyl - 3 (2H) furanone
National Standards of People's Republic of China
National standards for food safety
Food additives
4-hydroxy-2,5-dimethyl-3 (2H) furanone
2012-04-25 release
2012-06-25 Implementation
Issued by the Ministry of Health of the People's Republic of China
National standards for food safety
Food additives
4-hydroxy-2,5-dimethyl-3 (2H) furanone
1 Scope
This standard is applicable to food additives made from ethyl lactate or 1,2-propanediol as starting materials. 4-hydroxy-2,5-dimethyl-3 (2H)
Ketone.
2 chemical name, molecular formula, structural formula and relative molecular mass
2.1 Chemical name
4-hydroxy-2,5-dimethyl-3 (2H) furanone
2.2 Molecular formula
C6H8O3
2.3 Structural formula
2.4 Relative molecular mass
128.13 (according to the.2007 International Relative Atomic Quality)
3 technical requirements
3.1 sensory requirements. should be consistent with the provisions of Table 1.
Table 1 sensory requirements
The project requires a test method
Color white to pale yellow
State solid
Place the specimen on a clean white paper with visual inspection
Observation of law
Aroma aroma, caramel flavor or coke pineapple - like aroma GB/T 14454.2
3.2 Physical and chemical indicators. should be consistent with the provisions of Table 2.
Table 2 Physical and chemical indicators
Item Index Test Method
4-hydroxy-2,5-dimethyl-3 (2H) furanone content, w /% ≥ 98.0 Appendix A
Melting point/℃ 75.0 ~ 80.0 GB/T 14457.3
Appendix A
Determination of 4 - hydroxy - 2,5 - dimethyl - 3 (2H) furanone
A.1 Instruments and equipment
A.1.1 chromatograph. according to GB/T 11538-2006 in Chapter 5 of the provisions.
A.1.2 Column. Capillary column.
A.1.3 Detector. Hydrogen flame ionization detector.
A.2 Determination method
Area normalization method. according to GB/T 11538-2006 10.4 determination of content.
Sample Preparation. Weigh this product 1g dissolved in 5mL 95% (volume fraction) of ethanol, shake well standby.
A.3 repeatability and result representation
According to GB/T 11538-2006 11.4 implementation of the provisions.
Food additive 4-hydroxy-2,5-dimethyl-3 (2H) furanone Typical gas chromatogram (area normalization) See Appendix B.
Appendix B
Food additive 4-hydroxy-2,5-dimethyl-3 (2H) furanone Typical gas chromatogram
(Area normalization method)
B.1 Food additive 4-hydroxy-2,5-dimethyl-3 (2H) furanone Typical gas chromatogram
Food additives 4-hydroxy-2,5-dimethyl-3 (2H) furanone Typical gas chromatograms are shown in Figure B.1.
Description.
1 --- solvent;
2 --- 4-hydroxy-2,5-dimethyl-3 (2H) furanone.
Figure B.1 Food additive 4-hydroxy-2,5-dimethyl-3 (2H) furanone Typical gas chromatogram
B.2 Operating conditions
B.2.1 Column. capillary column, length 30m, diameter 0.53mm.
B.2.2 Stationary phase. Polyethylene glycol.
B.2.3 Film thickness. 1.0 μm.
B.2.4 chromatographic furnace temperature. 80 ℃ constant temperature 1min, and then linear program temperature from 80 ℃ ~ 220 ℃, the rate of 10 ℃/min, and finally
220 ℃ constant temperature 10min.
B.2.5 Inlet temperature. 240 ° C.
B.2.6 Detector temperature. 240 ° C.
B.2.7 Detector. Hydrogen flame ionization detector.
B.2.8 Carrier gas. nitrogen.
B.2.9 Pre-column pressure. 0.06MPa ~ 0.07MPa.
B.2.10 Injection volume. about 0.2 μL.
B.2.11 Split ratio. 1/100.
......
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