GB 1886.125-2015National Food Safety Standard -- Food Additives -- Cinnamic alcohol (English PDF)

2.1 Chemical Name

3-phenyl-allyl alcohol Formula 2.2 C9H10O

2.3 Formula

2.4 Relative molecular mass

134.18 (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 Color White to light yellow (solid) or colorless to pale yellow (liquid body) Solid or liquid crystalline state the sample is placed on a clean white or color than the inner tube, visually Was observed Aroma with rich cream, floral, sweet 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 1mL70% (volume fraction) ethanol GB/T 14455.3 Cinnamic alcohol content, w /% >= 98.0 Appendix A Freezing point/°C >= 32.0 GB/T 14454.7 Appendix A Determination of cinnamic alcohol 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 cinnamic alcohol gas chromatograph (area normalization method) See Appendix B.

Appendix B

Food Additives cinnamic alcohol gas chromatogram (Area normalization method) B.1 food additives cinnamic alcohol gas chromatogram Food Additives cinnamic alcohol by gas chromatography is shown in Figure B.1.

Figure B.1 food additives cinnamic alcohol gas chromatogram

B.2 operating conditions B.2.1 Column. capillary column length 30m, an inner diameter of 0.25mm.

B.2.2 stationary phase. 5% phenyl methyl polysiloxane.

B.2.3 film thickness. 0.25µm.

B.2.4 chromatography oven temperature. 100 °C constant temperature 1min; then linear temperature program from 100 °C ~ 250 °C, the rate of 10 °C/min; and finally 250 °C thermostatic 5min.

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.

B.2.9 carrier gas flow rate. 1.2mL/min.

B.2.10 Injection volume. about 0.25µL.

B.2.11 split ratio. 80.1.