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National Food Safety Standard -- Food Additives -- Methyl cyclopentenolone (also known as 3-methyl-2-hydroxy-2-ene-1-one)
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Basic data
| Standard ID | GB 1886.128-2015 (GB1886.128-2015) |
| Description (Translated English) | National Food Safety Standard -- Food Additives -- Methyl cyclopentenolone (also known as 3-methyl-2-hydroxy-2-ene-1-one) |
| Sector / Industry | National Standard |
| Classification of Chinese Standard | X40 |
| Word Count Estimation | 6,669 |
| Date of Issue | 2015-09-22 |
| Date of Implementation | 2016-03-22 |
| Regulation (derived from) | PRC National Health and Family Planning Commission 2015 No.8 |
| Issuing agency(ies) | National Health and Family Planning Commission of the People's Republic of China |
GB 1886.128-2015: National Food Safety Standard -- Food Additives -- Methyl cyclopentenolone (also known as 3-methyl-2-hydroxy-2-ene-1-one)
---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.
(National food safety standards for food additives methyl cyclopentenolone (aka 3-methyl-2-hydroxy-2-ene-1-one)
National Standards of People's Republic of China
National standards for food safety
Food additives methyl cyclopentenol ketone
(Also known as 3-methyl-2-hydroxy-2-cyclopenten-1-one)
2015-09-22 released
2016-03-22 Implementation
People's Republic of China
National Health and Family Planning Commission released
National standards for food safety
Food additives methyl cyclopentenol ketone
(Also known as 3-methyl-2-hydroxy-2-cyclopenten-1-one)
1 Scope
This standard applies to methyl furan and formaldehyde and dimethylamine as raw materials by chemical reaction of the food additives methyl cyclopentenol ketone
(Also known as 3-methyl-2-hydroxy-2-cyclopenten-1-one).
2 chemical name, molecular formula, structural formula and relative molecular mass
2.1 Chemical name
3-methyl-2-hydroxy-2-cyclopenten-1-one or 3-methylcyclopentane-1,2-dione
2.2 Molecular formula
C6H8O2
2.3 Structural formula
2.3.1 3-methyl-2-hydroxy-2-cyclopenten-1-one
2.3.2 3-methylcyclopentane-1,2-dione
2.4 Relative molecular mass
112.13 (according to the.2007 International Relative Atomic Quality)
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
State crystalline powder
Place the sample on a clean white paper and observe it visually
Aroma with nuts fragrance, diluted with maple - licorice - like aroma GB/T 14454.2
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
Solubility (25 ° C) 1 g Samples were dissolved in 5 mL of 90% by volume ethanol. GB/T 14455.3
Methyl cyclopentenolone content, w /% ≥ 95.0 Appendix A
Melting range/℃ 104.0 ~ 108.0 GB/T 14457.3
Heavy metals (Pb)/(mg/kg) ≤ 10.0 GB 5009.74
Arsenic (As)/(mg/kg) ≤ 3.0 GB 5009.11 or GB 5009.76
Appendix A
Determination of methyl cyclopentenolone content
A.1 Instruments and equipment
A.1.1 Chromatograph. according to GB/T 11538-2006 or GB/T 11539-2008 in Chapter 5 of the provisions.
A.1.2 Column. Capillary column or packed column.
A.1.3 Detector. Hydrogen flame ionization detector.
A.2 Determination method
Area normalization method. according to GB/T 11538-2006 or GB/T 11539-2008 10.4 determination of content.
Preparation of the sample. Weigh the sample 1g dissolved in 10mL 95% (volume fraction) of ethanol, shake back.
A.3 repeatability and result representation
According to GB/T 11538-2006 or GB/T 11539-2008 11.4 provisions.
Food additive Methyl cyclopentenolone Gas chromatogram (area normalization method) See Appendix B.
Appendix B
Food additive - methyl cyclopentenolone gas chromatogram
(Area normalization method)
B.1 Food additive Methyl cyclopentenolone Gas chromatogram
Food additives methyl cyclopentenolone gas chromatogram shown in Figure B.1.
Description.
1 --- Ethanol (solvent);
2 --- methyl cyclopentenolone.
Figure B.1 Gas chromatogram of food additives methyl cyclopentenolone
B.2 Operating conditions
B.2.1 column. packed column, length 2m ~ 3m, diameter 3mm ~ 4mm.
B.2.2 fixed phase. polyethylene glycol, 5% to 10% coated with pickling, dimethyldichlorosilane treatment of 180μm ~ 250μm (60 mesh ~
80 mesh) on white body.
B.2.3 chromatographic furnace temperature. linear program temperature from 80 ℃ ~.200 ℃, the rate of 2 ℃/min.
B.2.4 Inlet temperature..200 ° C.
B.2.5 Detector temperature..200 ° C.
B.2.6 Detector. Hydrogen flame ionization detector.
B.2.7 Carrier gas. nitrogen.
B.2.8 Carrier gas flow rate. 20 mL/min to 30 mL/min.
B.2.9 Injection volume. 1 μL.
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