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National Food Safety Standard -- Food Additives -- Methyl dihydrojasmonate
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GB 31625-2014
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Basic data
| Standard ID | GB 31625-2014 (GB31625-2014) |
| Description (Translated English) | National Food Safety Standard -- Food Additives -- Methyl dihydrojasmonate |
| Sector / Industry | National Standard |
| Classification of Chinese Standard | C53 |
| Classification of International Standard | 67.020 |
| Word Count Estimation | 6,662 |
| Date of Issue | 1/28/2015 |
| Date of Implementation | 7/28/2015 |
| Regulation (derived from) | National Health and Family Planning Committee Announcement 2015 No. 2 |
| Issuing agency(ies) | National Health and Family Planning Commission of the People's Republic of China |
| Summary | This Standard applies to food additives hedione by the n-valeraldehyde, cyclopentanone and malonate as raw materials, or by a cyclopentanone for raw materials and n-valeraldehyde obtained. |
GB 31625-2014: National Food Safety Standard -- Food Additives -- Methyl dihydrojasmonate
---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 hedione)
National Standards of People's Republic of China
National Food Safety Standard
Food additives dihydro jasmonate
Published 2015-01-28
2015-07-28 implementation
People's Republic of China
National Health and Family Planning Commission issued
National Food Safety Standard
Food additives dihydro jasmonate
1 Scope
This standard applies to the n-valeraldehyde, cyclopentanone, and dimethyl malonate as the starting material, or the n-valeraldehyde and cyclopentanone for raw materials of food
Additives dihydro jasmonate.
2 Chemical name, molecular formula, structural formula and relative molecular mass
2.1 Chemical Name
(2-pentyl-3-oxo-cyclopentyl) - acetic acid methyl ester
Formula 2.2
C13H22O3
2.3 formula
2.4 Molecular Weight
226.32 (according to 2007 international relative atomic mass)
3 Technical requirements
3.1 Sensory requirements
Shall comply with the requirements in Table 1.
Table 1 Sensory requirements
Project requires test methods
Color colorless to pale yellow
State oily liquid
The sample was placed in a cuvette, were visually observed
The aroma of flowers, jasmine-like aroma GB/T 14454.2
3.2 Physical and Chemical Indicators
Shall be in accordance with Table 2.
Table 2. Physical and chemical indicators
Item Index Test Method
Dihydro jasmonate content (w) /%
Trans ≥ 85
Cis ≥ 9 ~ 11
Appendix A, Appendix B
Acid number (as KOH)/(mg/g) ≤ 2.0 GB/T 14455.5
Refractive index (20 ℃) 1.454 ~ 1.464 GB/T 14454.4
Relative density (20 ℃/20 ℃) 0.997 ~ 1.008 GB/T 11540
Appendix A
Determination of Content dihydro jasmonate
A.1 instruments and equipment
A.1.1 Chromatography. in GB/T 11538-2006 specified in Chapter 5.
A.1.2 Column. capillary column.
A.1.3 Detector. hydrogen flame ionization detector.
A.2 Determination
Area normalization method. Press the GB/T 11538-2006 Determination 10.4.
A.3 repeatability and results are expressed
11538-2006 carried out in accordance with the provisions of 11.4 GB/T , should meet the requirements.
Food additives dihydro jasmonate typical gas chromatogram (area normalization method) Appendix B.
Appendix B
Food additives dihydro jasmonate typical gas chromatogram
(Area normalization method)
B.1 dihydro jasmonate food additives typical gas chromatogram
Food additives dihydro jasmonate typical gas chromatogram shown in Figure B.1.
Description.
A --- trans-dihydro jasmonate.
B --- cis-dihydro jasmonate.
Figure B.1 dihydro jasmonate food additives typical gas chromatogram
B.2 operating conditions
B.2.1 Column. capillary column, 30m × 0.32mm. Or other equivalent column.
B.2.2 stationary phase. 5% phenyl methyl polysiloxane.
B.2.3 film thickness. 0.25μm.
B.2.4 chromatographic oven temperature. temperature program from 100 ℃ ~ 220 ℃, a rate of 5 ℃/min, and finally held at 6min 220 ℃.
B.2.5 Inlet temperature. 250 ℃.
B.2.6 Detector temperature. 280 ℃.
B.2.7 Detector. hydrogen flame ionization detector.
B.2.8 Carrier gas. nitrogen purity of 99.99% or more.
B.2.9 carrier gas flow rate. 1.0mL/min.
B.2.10 Injection volume. 0.2μL.
B.2.11 split ratio. 1.80.
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