GB/T 24305-2022Quality grades of products for Eucommia ulmoides (English PDF)

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules for Standardization Documents" drafting.

This document replaces GB/T 24305-2009 "Quality Grades of Eucommia Products". Compared with GB/T 24305-2009, except for structural adjustment and Apart from editorial changes, the main technical changes are as follows.

a) Changed the quality grade requirements of Eucommia bark (see 4.1, 4.1 of the 2009 edition);

b) Changed the quality grade requirements of Eucommia leaves (see 4.3, 4.2 of the 2009 edition);

c) Added the quality grade requirements for Eucommia peel, Eucommia male flower and Eucommia seeds (see 4.2, 4.4, 4.5);

d) The test method has been changed (see Chapter 5, Chapter 5 of the 2009 edition);

e) The inspection items are deleted (see 6.1 of the 2009 edition);

f) Changed the judgment rules (see 6.3, 6.4 of the 2009 edition);

g) Changed the packaging requirements (see Chapter 7, 7.1 of the 2009 edition);

h) Changed the marking requirements (see Chapter 8, 7.1 of the 2009 edition);

i) The transportation requirements have been changed (see Chapter 9, 7.2 of the 2009 edition);

j) The storage requirements have been changed (see Chapter 10, 7.3 of the 2009 edition).

1 Scope

This document specifies the technical requirements for quality grades, inspection rules, packaging, marking, transportation and storage of Eucommia products, and describes the test method.

This document is applicable to the quality requirements and grading of Eucommia ulmoides products.

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text. Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document.

GB/T 191 Packaging, storage and transportation icon marks

GB 5009.3 National Food Safety Standard Determination of Moisture in Food

GB 5009.6 National Food Safety Standard Determination of Fat in Food

GB 5009.124 National Food Safety Standard Determination of Amino Acids in Food

GB 5009.168 National Food Safety Standard Determination of Fatty Acids in Food

GB/T 5494 Inspection of Grain and Oil

GB/T 8946 General Technical Requirements for Plastic Woven Bags

GB/T 22250 Determination of chlorogenic acid in health food

GB/T 24904 grain packaging sacks

3 Terms and Definitions

This document does not have terms and definitions that need to be defined.

4 Quality levels