GB 29968-2013Food additive -- Cinnamic acid benzyl ester (English PDF)

2.1 Chemical Name

Cinnamic acid benzyl ester Formula 2.2 C16H14O2

2.3 Formula

2.4 Relative molecular mass

238.29 (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 White to pale yellow color of the sample is placed on a clean white paper, were visually observed Solid state the aroma of sweet, fragrant cream 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 Cinnamic acid benzyl ester content, w /% >= 98.0 Appendix A Acid value (in dollars KOH)/(mg/g) <= 1.0 GB/T 14455.5 Freezing point (°C) >= 25 GB/T 14454.7 Appendix A Determination of cinnamic acid benzyl ester 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.

Sample Preparation. Weigh 1 g sample was dissolved in 10 mL of absolute ethanol, 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 benzyl cinnamate gas chromatograph (area normalization method) See Appendix B.

Appendix B

Food Additives benzyl cinnamate gas chromatogram (Area normalization method) B.1 food additives benzyl cinnamate gas chromatogram

Figure B.1.

1-- ethanol;

2-- cinnamic acid benzyl ester.

Figure B.1 food additives benzyl cinnamate gas chromatogram

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

B.2.2 stationary phase. 100% dimethyl polysiloxane.

B.2.3 film thickness. 0.45 µm.

B.2.4 chromatography oven temperature. 260 °C constant temperature.

B.2.5 inlet temperature. 280 °C.

B.2.6 detector temperature. 300 °C.

B.2.7 Detector. Hydrogen flame ionization detector.

B.2.8 carrier gas. nitrogen.

B.2.9 carrier gas flow rate. 3 mL/min.

B.2.10 Injection volume. 0.2 µL.

B.2.11 split ratio. 50︰1.