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GB 1886.122-2015: National Food Safety Standard -- Food Additives -- Peach aldehyde (also known as γ-undecane lactone)
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GB 1886.122-2015: National Food Safety Standard -- Food Additives -- Peach aldehyde (also known as γ-undecane lactone)

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(National food safety standards for food additives peach aldehyde (aka γ- undecane lactone)) National Standards of People's Republic of China National Food Safety Standard Food Additives peach aldehyde (aka γ- undecanoic lactone) Issued on. 2015-09-22 2016-03-22 implementation People's Republic of China National Health and Family Planning Commission released National Food Safety Standard Food Additives peach aldehyde (aka γ- undecanoic lactone)

1 Scope

This standard applies to n-octanol and methyl acrylate or acrylic acid as raw materials by a chemical reaction of the food additive peach aldehyde (also known as γ- Undecanoic lactone). 2 chemical name, molecular formula, molecular mass and structural formula 2.1 Chemical Name γ- undecanoic lactone 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 Liquid state The sample was placed in a cuvette, were visually observed Aroma fruity, 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 ℃) 1mL sample soluble in 5mL60% (Volume fraction) ethanol GB/T 14455.3 Peach aldehyde content, w /% ≥ 98.0 Appendix A Acid value (in dollars KOH)/(mg/g) ≤ 2.0 GB/T 14455.5 Refractive index (20 ℃) 1.4480 ~ 1.4530 GB/T 14454.4 The relative density (25 ℃/25 ℃) 0.941 ~ 0.944 GB/T 11540

Appendix A

Determination of peach aldehyde 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 Performed according to GB/T 11538-2006 11.4 provisions. Food Additives peach aldehyde gas chromatograph (area normalization method) See Appendix B.

Appendix B

Food Additives peach aldehyde gas chromatogram (Area normalization method) B.1 food additives peach aldehyde gas chromatogram Food Additives peach aldehyde gas chromatography is shown in Figure B.1. Figure B.1 food additives peach aldehyde gas chromatogram B.2 operating conditions B.2.1 Column. capillary column length 30m, an inner diameter of 0.32mm. B.2.2 stationary phase. 5% phenyl methyl polysiloxane. B.2.3 film thickness. 0.25μm. B.2.4 chromatography oven temperature. linear temperature program from 120 ℃ ~ 180 ℃, the rate of 3 ℃/min; then linear temperature program from 180 ℃ ~ 250 ℃, the rate of 10 ℃/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. B.2.9 carrier gas flow rate. 1.1mL/min. B.2.10 Injection volume. about 0.2μL. B.2.11 Split ratio. 100.1. ...