GB 1886.186-2016Food additive -- Sorbic acid (English PDF)

2.1 Chemical Name

3-cyclohexyl-propionic acid allyl Formula 2.2 C12H20O2

2.3 Formula

2.4 Relative molecular mass

196.29 (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 Color colorless Liquid state the sample was placed in a cuvette, were visually observed Aroma of pineapple-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.

GB 1886.189-2016

Table 2. Physical and chemical indicators

Item Index Test Method Solubility (25 °C) 1mL sample soluble in 4mL80% (volume fraction) ethanol GB/T 14455.3 3-cyclohexyl-propionic acid allyl content, w /% >= 98.0 Appendix A Acid value (in dollars KOH)/(mg/g) <= 5.0 GB/T 14455.5 Refractive index (20 °C) 1.457 ~ 1.462 GB/T 14454.4 the relative density (25 °C/25 °C) 0.945 ~ 0.950 GB/T 11540 Allyl alcohol, w /% <= 0.1 Appendix A GB 1886.189-2016 Appendix A Determination of 3-cyclohexyl-allyl propionate and allyl 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 According to GB/T 11538-2006 provisions in 11.4, shall comply with the requirements.

Food Additives 3-cyclohexyl-propionic acid allyl gas chromatograph and operating conditions, see Appendix B.

GB 1886.189-2016

Appendix B

Food Additive 3-cyclohexyl-propionic acid allyl gas chromatograph and operating conditions (Area normalization method) Food additives B.1 3-cyclohexyl-propionic acid allyl gas chromatogram Food Additive 3-cyclohexyl-propionic acid allyl gas chromatography is shown in Figure B.1.

Explanation.

1 --- allyl alcohol;

2 --- 3-cyclohexyl-propionic acid allyl.

Food additives Figure B.1 3-cyclohexyl-propionic acid allyl 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.200 °C constant temperature.

B.2.5 Inlet temperature.200 °C.

GB 1886.189-2016

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. 0.2µL.

B.2.11 split ratio. 75.1.