GB 28353-2012Food additive -- Anise alcohol (English PDF)

1 Scope

This standard applies to anisic aldehyde as raw material for the production of food additives anisol.

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 Colorless to pale yellow (liquid) or opaque (solid) State liquid or solid Place the sample in a colorimetric tube with a visual method Observed Fragrant sweet sweet, floral 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 Fennel alcohol content, w /% >= 97.0 Appendix A Acid value (in KOH)/(mg/g) <= 1.0 GB/T 14455.5 Refractive index (20 ° C) 1.540 ~ 1.547 GB/T 14454.4 Relative density (25 °C/25 °C) 1.107 ~ 1.115 GB/T 11540 Appendix A Determination of fennel alcohol 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.

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

Food Additives Fennel Alcohol Typical Gas Chromatography (Area Normalization) See Appendix B.

Appendix B

Food Additives Fennel Alcohol Typical Gas Chromatography (Area normalization method) B.1 Food Additives Fennel Alcohol Typical Gas Chromatography Food additives Fennel alcohols Typical gas chromatograms are shown in Figure B.1.

Figure B.1 Food Additives Fennel Alcohol Typical Gas Chromatography

B.2 Operating conditions B.2.1 Column. capillary column, length 30m, inner diameter 0.32mm.

B.2.2 Stationary phase. (5% phenyl) methylpolysiloxane.

B.2.3 Film thickness. 0.25 µm.

B.2.4 Chromatographic furnace temperature..200 °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 30 mL/min.

B.2.10 Injection volume. 0.2 µL.

B.2.11 Split ratio. 1/75.