GB 1886.310-2020National food safety standard - Food additive - Rosa laevigata michx brown (English PDF)
食品安全国家标准 食品添加剂 金樱子棕
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Issued by
National Health Commission and State Administration for Market Regulation
Level / Type
National · Mandatory
Issue date
September 11, 2020
Implementation date
March 11, 2021
Scope
GB 1886.310-2020 is the English-translated version of 食品安全国家标准 食品添加剂 金樱子棕.
GB 1886.310-2020 is the Chinese national food safety standard for the food additive Rosa laevigata Michx brown, a colouring obtained from Rosa laevigata Michx fruit by water or ethanol solution extraction, refining, concentration and drying.
It fixes the sensory requirements and the physical and chemical indicators the additive has to meet, each set out in a table.
Annex A gives the inspection methods: the analytically pure reagents and grade 3 water of GB/T 6682, the identification test with ferric chloride solution, which has to give a reddish-brown precipitate, the gelatin reaction, which has to give a brown-black precipitate, and the measurement of the pH of a 1% solution. It was issued on 11 September 2020 and has applied since 11 March 2021.
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Document preview — GB 1886.310-2020
National Standard of the People's Republic of China
Issued by: National Health Commission and State Administration for Market Regulation
Contents
- 1 Scope3
- 2 Technical requirements3
- Annex A Inspection methods4
1 Scope
This Standard is applicable to the food additive Rosa laevigata Michx brown that uses Rosa laevigata Michx fruit as raw material and is obtained through water or ethanol solution extraction, refining, concentration and drying.
2 Technical requirements
2.1 Sensory requirements
Sensory requirements shall meet the requirements of Table 1.
2.2 Physical and chemical indicators
Physical and chemical indicators shall meet the requirements of Table 2.
Annex A Inspection methods
A.1 General
The reagents and water used in this Standard refer to analytically-pure reagents and grade 3 water specified in GB/T 6682 when other requirements are not indicated. The standard solutions used in the test, standard solutions for impurity determination, preparations and products are prepared in accordance with GB/T 601, GB/T 602, and GB/T 603 when other requirements are not specified. The solution used in the test refers to aqueous solution when it is not specified which solvent is used for preparation.
A.2 Identification test
A.2.1 Reagents and materials
A.2.1.1 Ferric chloride solution: 1%. Accurately weigh 1.00g of ferric chloride (FeCl3). Use water to dissolve and set volume to 100mL.
A.2.1.2 Sodium chloride aqueous solution: 10%. Accurately weigh 1.00g of sodium chloride (NaCl). Use water to dissolve and set volume to 100mL.
A.2.1.3 Gelatin solution: 0.5%. Accurately weigh 0.50g of gelatin. Use water to dissolve and set volume to 100mL. And mix with 10% sodium chloride aqueous solution (A.2.1.2) in equal volume.
A.2.2 Ferric chloride reaction
Weigh 0.2g of sample. Use water to dissolve. Transfer to a 100mL volumetric flask. Set volume. Take 1mL of the above solution in a test tube. Add 3 drops of ferric chloride solution (A.2.1.1). Mix well. A reddish-brown precipitate appears after placing still for 5min.
A.2.3 Gelatin reaction
Weigh 1.0g of sample. Use water to dissolve. Transfer to a 100mL volumetric flask. Set volume. Take 1mL of the above solution. Add 4 drops of gelatin solution (A.2.1.3). Brown-black precipitation appears after placing still for 15min.
A.3 Determination of pH (1% solution)
Weigh 1.0g of sample. Use water to dissolve. Transfer to a 100mL volumetric flask. Set volume. Use a pH meter to measure the solution's pH. […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 17 pages — is available in the English PDF.
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