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GB 1886.290-2016 English PDF

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GB 1886.290-2016: National Food Safety Standard -- Food Additives - 2-methyl pyrazine
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Basic data

Standard ID GB 1886.290-2016 (GB1886.290-2016)
Description (Translated English) National Food Safety Standard -- Food Additives - 2-methyl pyrazine
Sector / Industry National Standard
Classification of Chinese Standard X40
Word Count Estimation 5,533
Date of Issue 2016-08-31
Date of Implementation 2017-01-01
Regulation (derived from) State Health and Family Planning Commission Notice No.11 of 2016
Issuing agency(ies) National Health and Family Planning Commission of the People's Republic of China, State Food and Drug Administration

GB 1886.290-2016: National Food Safety Standard -- Food Additives - 2-methyl pyrazine

---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 Standard - Food Additives - 2-methyl pyrazine National Standards of People's Republic of China National Food Safety Standard Food additives methyl pyrazine Published 2016-08-31 2017-01-01 implementation People's Republic of China National Health and Family Planning Commission issued National Food Safety Standard Food additives methyl pyrazine

1 Scope

This standard applies to ethylenediamine and propylene oxide or methylglyoxal for raw materials of food additives 2-methyl pyrazine. 2 Chemical name, molecular formula, structural formula and relative molecular mass 2.1 Chemical Name 2-methyl-pyrazine Formula 2.2 C5H6N2 2.3 formula 2.4 Molecular Weight 94.12 (according to 2007 international relative atomic mass)

3 Technical requirements

3.1 Sensory requirements Sensory requirements shall comply with the requirements in Table 1. Table 1 Sensory requirements Project requires test methods Color status Colorless to pale yellow liquid The sample was placed in a cuvette, were visually observed Aroma of cocoa, nut-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 Methyl-pyrazine content, w /% ≥ 98.0 Appendix A Refractive index (20 ℃) 1.501 ~ 1.509 GB/T 14454.4 Relative density (25 ℃/25 ℃) 1.007 ~ 1.033 GB/T 11540

Appendix A

B.2.4 chromatographic oven temperature. 110 ℃ thermostat 10min, then linear temperature programmed from 110 deg.] C to 200 ℃, a rate of 10 ℃/min, and finally 200 ℃ thermostat 10min. B.2.5 Inlet temperature. 230 ℃. B.2.6 Detector temperature. 230 ℃. B.2.7 Detector. flame ionization detector. B.2.8 Carrier gas. nitrogen. B.2.9 carrier gas flow rate. head pressure 60kPa. B.2.10 Injection volume. about 0.2μL. B.2.11 split ratio. 100.1.

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