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GB 29979-2013: Food additive -- Linalool oxide standards: food additives food additives specified standards oxidized linalool
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GB 29979-2013	English	189	Add to Cart	3 days [Need to translate]	Food additive -- Linalool oxide standards: food additives food additives specified standards oxidized linalool

GB 29979-2013: Food additive -- Linalool oxide standards: food additives food additives specified standards oxidized linalool

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Food additive-Linalool oxide standards. food additives food additives specified standards oxidized linalool National Standards of People's Republic of China National Food Safety Standard Food Additives linalool oxide Issued on. 2013-11-29 2014-06-01 implementation National Food Safety Standard Food Additives linalool oxide

1 Scope

This standard applies to the linalool for raw materials of food additives linalool oxide (furan-type). 2 chemical name, molecular formula, molecular mass and structural formula 2.1 Chemical Name 2-methyl-5- (1-hydroxy-1-methylethyl) -2-vinyl tetrahydrofuran Formula 2.2 C10H18O2 2.3 formula O OH (Furan-type) 2.4 relative molecular mass 170.25 (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 Color colorless to pale yellow color of the sample is placed over the inner tube, were visually observed Liquid state Intense sweet aroma - woody aroma with floral bottom rhyme 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 Linalool oxide content (sum of cis and trans isomers), w /% ≥ 95.0 Appendix A Acid value (in dollars KOH)/(mg/g) ≤ 3.0 GB/T 14455.5 Refractive index (20 ℃) 1.451 ~ 1.456 GB/T 14454.4 The relative density (25 ℃/25 ℃) 0.938 ~ 0.948 GB/T 11540

Appendix A

Determination of linalool oxide 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 linalool oxide gas chromatograph (area normalization method) See Appendix B.

Appendix B

Food additives linalool oxide gas chromatogram (Area normalization method) B.1 food additives linalool oxide gas chromatogram Figure B.1. 1-- cis-linalool oxide; 2-- trans-linalool oxide. Figure B.1 food additives linalool oxide 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. 100% dimethyl polysiloxane. B.2.3 film thickness. 0.25 μm. B.2.4 chromatography oven temperature. 110 ℃ constant temperature. B.2.5 inlet temperature. 210 ℃. B.2.6 detector temperature. 260 ℃. 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. 0.1 μL. B.2.11 split ratio. 100︰1. ...