GB 1886.131-2015National Food Safety Standard -- Food Additives - α-amyl cinnamic aldehyde (English PDF)

2.1 Chemical Name

Formula 2.2

C14H18O

2.3 Formula

2.4 Relative molecular mass

202.28 (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 Pale yellow color Liquid state the sample was placed in a cuvette, were visually observed Intense floral aroma with 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 5mL80% (volume fraction) ethanol GB/T 14455.3 alpha- amyl cinnamic aldehyde content, w /% >= 97.0 Appendix A Acid value (in dollars KOH)/(mg/g) <= 5.0 GB/T 14455.5 Refractive index (20 °C) 1.5540 ~ 1.5620 GB/T 14454.4 the relative density (25 °C/25 °C) 0.962 ~ 0.969 GB/T 11540 Appendix A Determination of alpha- amyl cinnamic 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 alpha- amyl cinnamic aldehyde gas chromatograph (area normalization method) See Appendix B.

Appendix B

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

Figure B.1 food additives alpha- amyl cinnamic 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 100 °C ~ 200 °C, the rate of 5 °C/min.

B.2.5 Inlet temperature. 250 °C.

B.2.6 detector temperature. 250 °C.

B.2.7 Detector. Hydrogen flame ionization detector.

B.2.8 carrier gas. nitrogen.

Before B.2.9 column pressure. 50kPa.

B.2.10 Injection volume. about 0.2µL.

B.2.11 split ratio. 65.1.