GB/T 26628.1-2024Inspection of grain and oils—Standard atlas of stored grain fungi—Part 1: Aspergillus (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 is Part 1 of GB/T 26628 "Standard Atlas of Stored Grain Fungi for Inspection of Grain and Oils". Lower part.

— Part 1: Aspergillus;

— Part 2: Penicillium;

— Part 3: Fusarium;

— Part 4: Other common bacterial genera.

This document replaces GB/T 26628.1-2011 "Standard Atlas of Stored Grain Fungi for Inspection of Grain and Oils Part 1: Aspergillus" and Compared with GB/T 26628.1-2011, in addition to structural adjustments and editorial changes, the main technical changes are as follows.

— Deleted two species of Aspergillus giganteus and Aspergillus niger, which are less commonly found in grains (see 5.7 and 5.17 of the 2011 edition);

— Deleted Aspergillus terrestris and Aspergillus figs (see 5.8 and 5.20 of the 2011 edition). These two species of Aspergillus are respectively related to Aspergillus styracifolius (see 5.6, 5.25 of the 2011 edition) and Aspergillus niger (see 5.14, 5.22 of the 2011 edition) of the same species;

— Deleted the Aspergillus glaucoides group (see 5.10 of the 2011 edition), which includes multiple species, including Aspergillus monteri, Aspergillus chevalieri, and Aspergillus rubrum.

Aspergillus pseudoglaucus and Aspergillus pseudoglaucus are species of the Aspergillus glaucus group and are listed separately in this document (see 5.8, 5.9, 5.10, and 5.11);

— Deleted Aspergillus restrictedus (see 5.16 of the 2011 edition). Aspergillus restrictedus is a group, and Aspergillus sauvignon (see 5.12) is a group of Aspergillus restrictedus. Common species found in food;

— Added 4 species of Aspergillus commonly found in grain, including Aspergillus nicotianae, Aspergillus multiflorus, Aspergillus cristatus and Aspergillus osmolytes (see 5.20, 5.21, 5.22, 5.23);

— Changed the names of two species, Amsterdam Aspergillus (see 5.11 of the 2011 edition) to Montefiore Aspergillus (see 5.8), Aspergillus (see 5.15 of the 2011 edition) is changed to Aspergillus pseudoglaucoides (see 5.11);

— Changed the diagram of common Aspergillus colonies and microscopic morphological characteristics in grains (see Chapter 5, Chapter 5 of the 2011 edition);

— Changed the textual description of the main morphological characteristics of Aspergillus commonly found in grains (see Chapter 5, Appendix B of the 2011 edition).

Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents.

This document was submitted by the State Administration of Grain and Material Reserves.

This document is under the jurisdiction of the National Technical Committee on Standardization of Cereals and Oils (SAC/TC270).

This document was drafted by: China National Grain and Oils Corporation Chengdu Storage Research Institute Co., Ltd., National Grain and Material Reserves Administration Scientific Research Institute, China National Grain and Oils Corporation Quality Management Co., Ltd.

Inspection Center Co., Ltd., Henan University of Technology.

The main drafters of this document are: Chen Shuai, Qi Zhihui, Tang Fang, Lei Yuqing, Lan Shengbin, Tian Lin, Zhang Haiyang, Chen Liang, Feng Yongjian, Chen Jinying, Gu Yuxi, Wang Jin, Li Li, Yang Chao, and Fan Yunqian.

The previous versions of this document and the documents it replaces are as follows.

— First published in 2011 as GB/T 26628.1-2011;

— This is the first revision.

Introduction

Fungi are one of the important biological factors that cause the deterioration of grain quality. In order to early evaluate and identify fungi and mycotoxins in grain To better understand the pollution hazards of grain storage and reduce the risk of grain quality and safety, it is necessary to study the types and distribution of fungi in grain.

The standard atlas of stored grain fungi, which was established based on the different morphological characteristics of different fungi species under different growth conditions, can be used to accurately identify the fungi.

Provide auxiliary reference for fungal inspection in stored grain and improve the accuracy and reliability of fungal identification results.

GB/T 26628 "Standard Atlas of Stored Grain Fungi for Inspection of Grain and Oils" aims to specify the inspection requirements for different species of fungi in stored grains and give The standard atlas and characteristic descriptions of the main fungi in the species are planned to consist of four parts.

— Part 1: Aspergillus spp.

— Part 2: Penicillium spp.

— Part 3: Fusarium spp.

— Part 4: Other common bacterial genera.

In terms of stored grain fungus inspection, China issued GB/T 26628.1-2011 "Standard Chart for Inspection of Grain and Oil for Stored Grain Fungus" in 2011.

Since its implementation, this document has played a significant role in the detection of Aspergillus fungi in stored grains such as rice, wheat, and corn.

Good auxiliary reference function.

This revision fully draws on the advanced methods of bacterial species identification at home and abroad, as well as the presentation of colony and microscopic morphological characteristics, and is more These technical changes will provide better support for the inspection and identification of Aspergillus in stored grains.

Scientific guidance will help improve the level of food quality and safety management in China.

Standard Atlas of Stored Grain Fungi for Grain and Oil Inspection Part 1: Aspergillus

1 Scope

This document defines the terms and definitions of the Aspergillus genus in the Standard Atlas of Stored Grain Fungi, describes the test methods, and gives the common Aspergillus species found in stored grains.

Morphological characteristics diagram and microscopic morphological characteristics diagram and characteristic description.

This document is used as a supplementary reference for the detection of Aspergillus in stored grains.

2 Normative references

This document has no normative references.

3 Terms and Definitions

The following terms and definitions apply to this document.

4 Inspection methods