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QB/T 5397-2019Determination of soybean isoflavones in soyfoods (English PDF)

大豆食品中异黄酮含量的测定

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Issued by

Ministry of Industry and Information Technology

Level / Type

National · Recommended

Issue date

August 2, 2019

Implementation date

January 1, 2020

Scope

QB/T 5397-2019 is the English-translated version of 大豆食品中异黄酮含量的测定.

QB/T 5397-2019 — This standard specifies the isoflavones (daidzein, genistin, daidzein, genistein, glycitein, glycitin) in soybean food High performance liquid chromatography for quantitative determination.

This standard applies to the determination of isoflavone content in raw soybeans, soy milk, tofu, fermented bean curd and other soybean foods. The linear range of this standard test method. 0.5µg/mL~100µg/mL. The detection limit of this standard test method. 2.5µg/kg.

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Document preview — QB/T 5397-2019

National Standard of the People's Republic of China

ICS: 67.060
Classification: X 04

Issued by: Ministry of Industry and Information Technology

What this standard covers1
Document data2
Standards quoted by this document3

What this standard covers

This standard specifies the high performance liquid chromatography method for the determination of isoflavones (daidzein, genistein, daidzein, genistein, glycidin, daidzein) in soybean food. This standard is applicable to the determination of isoflavone content in raw soybeans, soybean milk, tofu, fermented bean curd and other soybean foods. The linear range of this standard test method: 0.5µg/mL ~ 100µg/mL. The detection limit of this standard test method: 2.5µg/kg.

Document data

International classification (ICS): 67.060.

Chinese classification (CCS): X04.

Estimated length of the Chinese original: 8,876 words.

Standards quoted by this document

GB/T 6682-2008

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 6 pages — is available in the English PDF.

Referenced standards

Normative references

GB/T 6682-2008Water for analytical laboratory use - Specification and test methods

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