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GB 29978-2013 English PDF

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GB 29978-2013: Food additive -- 2-hexenal (leaf aldehyde)
Status: Valid

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GB 29978-2013	English	189	Add to Cart	3 days [Need to translate]	Food additive -- 2-hexenal (leaf aldehyde)	Valid	GB 29978-2013

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Basic data

Standard ID	GB 29978-2013 (GB29978-2013)
Description (Translated English)	Food additive -- 2-hexenal (leaf aldehyde)
Sector / Industry	National Standard
Classification of Chinese Standard	C54
Classification of International Standard	67.020
Word Count Estimation	8,848
Regulation (derived from)	China Food & Drug Administration [2013] No. 234, November, 1, 2013
Issuing agency(ies)	National Health and Family Planning Commission of the People's Republic of China
Summary	This standard applies to food additives: 2 hexenal (leaf aldehyde).

GB 29978-2013: Food additive -- 2-hexenal (leaf aldehyde)

---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.
Food additive-2-hexenal (leaf aldehyde) National Standards of People's Republic of China National Food Safety Standard Food Additive 2-hexenal (leaf aldehyde) Issued on. 2013-11-29 2014-06-01 implementation National Food Safety Standard Food Additive 2-hexenal (leaf aldehyde)

1 Scope

This standard applies to the butyral and vinyl ether as raw materials obtained food additive 2-hexenal (leaf aldehyde). 2 chemical name, molecular formula, molecular mass and structural formula 2.1 Chemical Name 2-hexenal Formula 2.2 C6H10O 2.3 formula 2.4 relative molecular mass 98.14 (according to 2007 international relative atomic mass)

3 Technical requirements

3.1 Sensory requirements Sensory requirements shall comply with the requirements of Table 1. Table 1 Sensory requirements Project requires test methods Colorless to pale yellow color of the sample was placed inside color than the tube, were visually observed State oily liquid Strong aroma fruity, green fragrance, vegetable-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 2-hexenal content (sum of cis and trans isomers body), w /% ≥ 92.0 Appendix A Acid value (in dollars KOH)/(mg/g) ≤ 10.0 GB/T 14455.5 Refractive index (20 ℃) 1.443 ~ 1.449 GB/T 14454.4 The relative density (25 ℃/25 ℃) 0.841 ~ 0.848 GB/T 11540

Appendix A

Determination of 2-hexenal content A.1 instruments and equipment A.1.1 chromatograph. According to GB/T 11538-2006 provisions in Chapter 5. A.1.2 Column. capillary column. A.1.3 Detector. Hydrogen flame ionization detector. A.2 Determination Area normalization method. According to GB/T 11538-2006 10.4 Determination. A.3 repeatability and results are shown According to GB/T 11538-2006 provisions in 11.4, shall comply with the requirements. Food Additives 2-hexenal gas chromatograph (area normalization method) See Appendix B.

Appendix B

2-hexenal food additive gas chromatogram (Area normalization method) B.1 2-hexenal food additive gas chromatogram Figure B.1. 1-- cis-2-hexenal; 2-- trans-2-hexenal. B.1 2-hexenal food additive gas chromatogram B.2 operating conditions B.2.1 Column. capillary column, length 30 m, an inner diameter of 0.25 mm. B.2.2 stationary phase. polyethylene glycol. B.2.3 film thickness. 0.25 μm. B.2.4 chromatography oven temperature. 70 ℃ constant temperature 10 min; then linear temperature programmed from 70 ℃ ~ 200 ℃, the rate of 10 ℃/min; final Heated 10 min at 200 ℃. B.2.5 Inlet temperature. 240 ℃. B.2.6 detector temperature. 240 ℃. B.2.7 Detector. Hydrogen flame ionization detector. B.2.8 carrier gas. nitrogen. B.2.9 pre-column pressure. 60 kPa. B.2.10 Injection volume. about 0.2 μL. B.2.11 split ratio. 100︰1.

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