GB 31625-2014 English PDF

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GB 31625-2014: National Food Safety Standard -- Food Additives -- Methyl dihydrojasmonate
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB 31625-2014	139	Add to Cart	3 days	National Food Safety Standard -- Food Additives -- Methyl dihydrojasmonate	Valid

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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: 6,689
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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