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GB 29955-2013: Food additive -- Undecalactone
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GB 29955-2013: Food additive -- Undecalactone

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Food additive-Undecalactone National Standards of People's Republic of China National Food Safety Standard Food Additives δ- undecalactone Issued on. 2013-11-29 2014-06-01 implementation National Food Safety Standard Food Additives δ- undecalactone

1 Scope

This standard applies to the cyclopentanone and hexanal for raw materials of food additives δ- undecalactone. 2 chemical name, molecular formula, molecular mass and structural formula 2.1 Chemical Name Yl 1,6-tetrahydro-2-pyrone Formula 2.2 C11H20O2 2.3 formula 2.4 relative molecular mass 184.28 (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 Liquid state Aroma creamy, peach-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 Solubility (25 ℃) 1 mL sample soluble in 1 mL 95% (volume fraction) ethanol GB/T 14455.3 δ- undecalactone content, w /% ≥ 98.0 Appendix A Refractive index (20 ℃) 1.457 ~ 1.461 GB/T 14454.4 The relative density (25 ℃/25 ℃) 0.956 ~ 0.961 GB/T 11540

Appendix A

Determination of the content of δ- undecalactone 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. Sample Preparation. Measure 1 mL sample was dissolved in 4 mL of acetone, shake spare. A.3 repeatability and results are shown According to GB/T 11538-2006 provisions in 11.4, shall comply with the requirements. Food Additives δ- undecalactone gas chromatograph (area normalization method) See Appendix B.

Appendix B

Food additive gas chromatogram δ- undecalactone (Area normalization method) B.1 food additive gas chromatogram δ- undecalactone Figure B.1. 1-- acetone; 2 - δ- undecalactone. Figure B.1 food additives δ- undecalactone gas chromatogram B.2 operating conditions B.2.1 Column. capillary column, length 30 m, an inner diameter of 0.32 mm. B.2.2 stationary phase. 5% phenyl methyl polysiloxane. B.2.3 film thickness. 0.25 μm. B.2.4 chromatography oven temperature. linear temperature programmed from 50 ℃ ~ 180 ℃, the rate of 4 ℃/min; then linear temperature program from 180 ℃ ~ 250 ℃, rate of 25 ℃/min. B.2.5 Inlet temperature. 250 ℃. B.2.6 detector temperature. 250 ℃. B.2.7 Detector. Hydrogen flame ionization detector. B.2.8 carrier gas. nitrogen. Before B.2.9 column pressure. 34.45 kPa. B.2.10 Injection volume. 0.2 μL. B.2.11 split ratio. 100︰1. ...