GB 28350-2012Food additives -- Cinnamic acid phenethyl ester (English PDF)

1 Scope

This standard applies to the cinnamic acid ethyl ester and phenylethyl alcohol as raw materials prepared by the food additive phenylethyl cinnamate.

2 Chemical name, molecular formula, structural formula and relative molecular mass

3 Technical requirements

3.1 sensory requirements. should be consistent with the provisions of Table 1.

Table 1 sensory requirements

The project requires a test method Color white State of crystallization Place the specimen on a clean white paper with visual inspection Observation of law Aroma of strong aroma of rose - like rose aroma GB/T 14454.2

3.2 Physical and chemical indicators. should be consistent with the provisions of Table 2.

Table 2 Physical and chemical indicators

Item Index Test Method Phenylethyl cinnamate content, w /% >= 98.0 Appendix A Acid value (in KOH)/(mg/g) <= 1.0 GB/T 14455.5 Melting point/°C >= 54.0 GB/T 14457.3 Appendix A Determination of phenylethyl cinnamate content A.1 Instruments and equipment A.1.1 chromatograph. according to GB/T 11538-2006 in Chapter 5 of the provisions.

A.1.2 Column. Capillary column.

A.1.3 Detector. Hydrogen flame ionization detector.

A.2 Determination method Area normalization method. according to GB/T 11538-2006 10.4 determination of content.

Sample Preparation. Weigh this product 1g dissolved in 10mL anhydrous ethanol, shake well standby.

A.3 repeatability and result representation According to GB/T 11538-2006 11.4 implementation of the provisions.

Food additives Phenylethyl cinnamate Typical gas chromatograms (area normalization) See Appendix B.

Appendix B

Food additive Phenylethyl cinnamate Typical gas chromatogram (Area normalization method) B.1 Food additive Phenylethyl cinnamate Typical gas chromatogram Food additives Phenylethyl cinnamate Typical gas chromatograms are shown in Figure B.1.

Description.

1 --- solvent;

2 --- phenylethyl cinnamate.

Figure B.1 Food additive Phenylethyl cinnamate Typical gas chromatogram

B.2 Operating conditions B.2.1 column. capillary column, length 15m, diameter 0.53mm.

B.2.2 Stationary phase. Dimethylpolysiloxane.

B.2.3 Film thickness. 0.5 µm.

B.2.4 Chromatography furnace temperature. 220 °C constant temperature.

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. about 20 mL/min.

B.2.10 Injection volume. 0.2 µL.

B.2.11 Split ratio. 1/15.