GB 1886.282-2016National Food Safety Standard -- Food Additives -- Maltol (English PDF)

2.1 Chemical Name

Formula 2.2

C6H6O3

2.3 Formula

2.4 Molecular Weight

126.11 (according to 2007 international relative atomic mass)

3.1 Sensory requirements

Sensory requirements shall comply with the requirements in Table 1.

Table 1 Sensory requirements

Project requires test methods Color status white Crystalline powder the sample is placed on a clean white paper, were visually Observed Aroma caramel - creamy 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 Maltol content, w /% >= 99.0 Appendix A Melting range/°C 160 ~ 164 GB/T 14457.3 Water, w /% <= 0.5 GB/T 6283 Appendix A Determination of maltol content A.1 instruments and equipment A.1.1 Chromatography. in GB/T 11538-2006 specified in Chapter 5.

A.1.2 Column. capillary column.

A.1.3 Detector. hydrogen flame ionization detector.

A.2 Determination

Area normalization method. Press the GB/T 11538-2006 Determination 10.4.

Sample Preparation. Weigh 1g of this product was dissolved in 20mL of absolute ethanol, shake up.

A.3 repeatability and results are expressed 11538-2006 carried out in accordance with the provisions of 11.4 GB/T , should meet the requirements.

Food additive gas chromatogram maltol and operating conditions see Appendix B.

Appendix B

Food additives maltol GC operating conditions and FIG.

(Area normalization method) B.1 food additive gas chromatogram maltol Food additives maltol gas chromatography is shown in Figure B.1.

Description.

1 --- Ethanol (solvent);

2 --- maltol.

Figure B.1 food additive gas chromatogram maltol

B.2 operating conditions B.2.1 Column. capillary column, length 25m ~ 50m, internal diameter 0.25mm.

B.2.2 stationary phase. polyethylene glycol 20000.

B.2.3 film thickness. 0.25µm.

B.2.4 chromatographic oven temperature. 180 °C thermostat.

B.2.5 Inlet temperature. 250 °C.

B.2.6 detector temperature.200 °C.

B.2.7 Detector. hydrogen flame ionization detector.

B.2.8 Carrier gas. nitrogen.

B.2.9 carrier gas flow rate. 20mL/min ~ 30mL/min.

B.2.10 Injection volume. 1µL.

B.2.11 split ratio. 100.1.