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QB/T 4257-2026General methods of analysis for daqu (English PDF)

酿酒大曲通用分析方法

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Issued by

Ministry of Industry and Information Technology

Level / Type

National · Recommended

Issue date

August 18, 2026

Implementation date

April 1, 2027

Scope

QB/T 4257-2026 is the English-translated version of 酿酒大曲通用分析方法.

QB/T 4257-2026 — General methods of analysis for daqu

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Document preview — QB/T 4257-2026

National Standard of the People's Republic of China

ICS: 60.160.10
Classification: X 61

Issued by: Ministry of Industry and Information Technology

[Preview only]
1 Scope
2 Normative references
2.1 Terms
3 Terms and definitions
4 Requirements
6 Inspection rules
8 Marking, packaging, transportation and storage

1 Foreword

QB/T 4257-2026 was issued by Ministry of Industry and Information Technology on 18 August 2026 and has been in force since 1 April 2027.

It replaces the earlier edition QB/T 4257-2011.

The QB/T prefix marks a recommended standard. It is not law in itself: it becomes binding when a contract names it, when a regulation or a mandatory standard refers to it, or when a producer declares conformity with it.

2 Scope Preview

QB/T 4257-2026 is filed under Chinese Standard Classification X 61, in the field of food.

This catalogue holds 2,140 other QB/T standards without an ICS number.

In this catalogue, QB/T standards carry edition years from 1990 to 2026.

3 About this standard

Issued by: Ministry of Industry and Information Technology

4 Related standards

Other editions:

QB/T 4257-2011 (earlier edition)

Standards on related subjects:

QB/T 4576-2023 — Sodium hyaluronate

GB 31640-2016 — National food safety standard - Edible Alcohol

GB/T 18356-2007 — Product of geographical indication - Kweichow Moutai liquor

QB/T 4259-2026 — Brewing Daqu

QB/T 4258-2026 — terminology of qu for baijiu brewing

5 Classification and status

International classification (ICS): 60.160.10

Chinese Standard Classification (CCS): X 61

Prefix QB/T: recommended standard.

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

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