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GB 1886.319-2021National food safety standard - Food additives - Hippophae rhamnoides yellow (English PDF)

食品安全国家标准食品添加剂沙棘黄

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Issued by

NHC; SAMR

Level / Type

National · Mandatory

Issue date

February 22, 2021

Implementation date

August 22, 2021

Scope

GB 1886.319-2021 is the English-translated version of 食品安全国家标准食品添加剂沙棘黄.

GB 1886.319-2021 is the Chinese national food safety standard for hippophae rhamnoides yellow used as a food additive. It applies to the colouring obtained from the fruit and pomace of sea buckthorn (Hippophae rhamnoides L.) by extraction with n-hexane or ethanol or with supercritical carbon dioxide, and then refined.

The standard fixes the sensory requirements and the physical and chemical indicators, and Appendix A gives the test methods.

These cover the general provisions on analytical reagents, class-III water to GB/T 6682 and solutions prepared to GB/T 601, GB/T 602 and GB/T 603, a solubility test, and a colour reaction carried out on silica gel G thin-layer plates with phosphomolybdic acid, sulfuric acid, bromophenol blue and antimony trichloride reagents, with the matching blank test. It was issued on 22 February 2021 and has applied since 22 August 2021.

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Document preview — GB 1886.319-2021

National Standard of the People's Republic of China

Issued by: NHC; SAMR

1 Scope3
2 Technical Requirements3
Appendix A Test Methods5

1 Scope

This Standard is applicable to the food additive of hippophae rhamnoides yellow made from the fruit and pomace of the plant sea buckthorn (Hippophae rhamnoides L.), extracted by n-hexane or ethanol, or extracted with supercritical carbon dioxide, and then obtained through refining and other processes.

2 Technical Requirements

2.1 Sensory requirements

The sensory requirements shall comply with the provisions of Table 1.

2.2 Physical and chemical indicators

The physical and chemical indicators shall comply with the provisions of Table 2.

Appendix A Test Methods

A.1 General provisions

When there are no other requirements, the reagents and water used in this Standard refer to analytical reagents and Class-III water that complies with the provisions of GB/T 6682. When there are no other requirements, the standard solutions, impurity standard solutions, preparations and products used in the test shall all be prepared in accordance with the provisions of GB/T 601, GB/T 602, and GB/T 603. The solution used in the test refers to the aqueous solution when the solvent is not specified.

A.2 Identification test

A.2.1 Solubility

It is not easily soluble in water; but easily soluble in organic solvents such as n-hexane, petroleum ether, acetone, etc. The solution shall be yellow.

A.2.2 Colour reaction

A.2.2.1 Reagents and materials

A.2.2.1.1 Phosphomolybdic acid solution: Take 5.0g of phosphomolybdic acid; add absolute ethanol to make the constant volume to 100mL; and get it.

A.2.2.1.2 Sulfuric acid: 98%.

A.2.2.1.3 Bromophenol blue solution: Take 1.0g of bromophenol blue; add absolute ethanol to make the constant volume to 100mL; and get it.

A.2.2.1.4 Antimony trichloride solution: a trichloromethane solution saturated with antimony trichloride.

A.2.2.2 Measurement procedures

Dip the silica gel G thin-layer TLC plate in the he yellow pigment solution. The developing solvent can be 95% ethanol or absolute ethanol. After taking it out, it shall air dry; and the TLC plate shall be yellow. Drop the above-mentioned reagent solution on this thin-layer plate and observe the colour development.

Blank test: Take a blank silica gel G thin-layer TLC plate immersed in the same developing solvent; titrate the corresponding colour reagents; and observe the colour development.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 25 pages — is available in the English PDF.

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