GB 1886.123-2015National Food Safety Standard -- Food Additives -- α-hexyl cinnamic aldehyde (English PDF)

2.1 Chemical Name

alpha- -beta- phenyl-hexyl acrolein Formula 2.2 C15H20O

2.3 Formula

2.4 Relative molecular mass

216.32 (according to 2007 international relative atomic mass)

3.1 Sensory requirements

Sensory requirements shall comply with the requirements of Table 1.

Table 1 Sensory requirements

Project requires test methods Yellow color Liquid state the sample was placed in a cuvette, were visually observed Aroma of jasmine 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 °C) 1mL sample soluble in 1mL90% (volume fraction) ethanol GB/T 14455.3 alpha- hexyl cinnamic aldehyde content, w /% >= 95.0 Appendix A Acid value (in dollars KOH)/(mg/g) <= 5.0 GB/T 14455.5 Refractive index (20 °C) 1.5470 ~ 1.5530 GB/T 14454.4 the relative density (25 °C/25 °C) 0.950 ~ 0.961 GB/T 11540 Appendix A Determination of alpha- hexyl cinnamic aldehyde content A.1 instruments and equipment A.1.1 chromatograph. According to GB/T 11538-2006 or GB provisions/T 11539-2008 in Chapter 5.

A.1.2 Column. capillary column or a packed column.

A.1.3 Detector. Hydrogen flame ionization detector.

A.2 Determination

Area normalization method. According to GB/T 11538-2006 or GB/T 11539-2008 10.4 Determination.

A.3 repeatability and results are shown Performed according to GB/T 11538-2006 or GB/T 11539-2008 11.4 provisions.

Food Additives alpha- hexyl cinnamic aldehyde gas chromatograph (area normalization method) See Appendix B.

Appendix B

Food additives alpha- hexyl cinnamic aldehyde gas chromatogram (Area normalization method) B.1 food additives alpha- hexylcinnamaldehyde gas chromatogram Food additives alpha- hexylcinnamaldehyde gas chromatography is shown in Figure B.1.

Figure B.1 food additives alpha- hexylcinnamaldehyde gas chromatogram

B.2 operating conditions B.2.1 Column. packed column length 3m ~ 4m, the inner diameter of 3mm ~ 4mm.

B.2.2 stationary phase. Polyethylene glycol, 5% to 10% applied to the acid, dimethyl silane treated dioxo 180µm ~ 250µm (60 mesh ~ 80 mesh) white support body.

B.2.3 chromatography oven temperature. 190 °C constant temperature.

B.2.4 Inlet temperature. 220 °C.

B.2.5 detector temperature.200 °C.

B.2.6 Detector. Hydrogen flame ionization detector.

B.2.7 carrier gas. nitrogen.

B.2.8 carrier gas flow rate. 20mL/min ~ 30mL/min.

B.2.9 Injection volume. about 0.2µL.