GB/T 26628.1-2024 English PDFUS$789.00 · In stock
Delivery: <= 6 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 26628.1-2024: Inspection of grain and oils - Standard atlas of stored grain fungi - Part 1: Aspergillus Status: Valid GB/T 26628.1: Historical versions
Basic dataStandard ID: GB/T 26628.1-2024 (GB/T26628.1-2024)Description (Translated English): Inspection of grain and oils - Standard atlas of stored grain fungi - Part 1: Aspergillus Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: B04 Classification of International Standard: 65.020.01 Word Count Estimation: 39,338 Date of Issue: 2024-10-26 Date of Implementation: 2025-05-01 Older Standard (superseded by this standard): GB/T 26628.1-2011 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 26628.1-2024: Inspection of grain and oils - Standard atlas of stored grain fungi - Part 1: Aspergillus---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT26628.1-2024 ICS 65.020.01 CCSB04 National Standard of the People's Republic of China Replaces GB/T 26628.1-2011 Standard Atlas of Stored Grain Fungi for Grain and Oil Inspection Part 1.Aspergillus Part 1.Aspergillus Released on October 26, 2024 Implementation on May 1, 2025 State Administration for Market Regulation The National Standardization Administration issued Table of ContentsPreface III Introduction IV 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Inspection Method 1 5 Colony morphology and microscopic morphology of common Aspergillus fungi in stored grain and their description 1 Appendix A (Normative) Observation Procedures for Morphological Characteristics and Microscopic Morphological Characteristics of Aspergillus Fungi in Grains 30 Appendix B (Informative) Culture Media and Reagents 32 Preface 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.introductionFungi 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, my country 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 my country. 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. 3.1 Aspergillus Ascomycota, Eurotiomycetes, Eurotiales, Aspergilaceae One genus. Note 1.The main characteristic of Aspergillus is that the asexual reproduction body is formed by the differentiation and expansion of some cells on the mycelium into foot cells, which grow upwards into conidiophores. The swells into a apical capsule, on which one or two layers of stalks grow. From the top of each stalk, a string of conidia grows, forming a head-shaped structure. A conidial head with a stalk is the basic characteristic of the asexual reproduction of Aspergillus. Sexual reproduction only occurs in some taxa. The fungus forms brightly colored perithecia, or antheridia, which contain numerous asci, which contain ascospores. Some Aspergillus species can produce sclerotia. Note 2.The toxin-producing fungi of the genus Aspergillus mainly include Aspergillus flavus, Aspergillus versicolor, Aspergillus nidulans, Aspergillus ochra, Aspergillus niger, etc. These Aspergillus may produce aflatoxins, Secondary metabolites such as ochratoxin, fumonisin, and patulin. 4.Inspection methods 4.1 Observation of colony morphology The indoor environment should be bright and well-lit, or the observation should be conducted under a light source with an illumination of 450lx±100lx. Follow Appendix A. For culture medium preparation, see Appendix B. 4.2 Microscopic morphological observation According to the different objective lens magnifications, adjust the light source intensity of the microscope and the aperture diaphragm of the condenser. The aperture diaphragm of the condenser should be consistent with the objective lens used. The numerical aperture of the objective lens should be consistent or slightly larger, so that the entire observation field is bright and suitable. The operation of microscopic morphological characteristics observation shall be carried out according to Appendix A. See Appendix B for reagent preparation.5 Colony morphology and microscopic morphology of common Aspergillus fungi in stored grain and their description5.1 Graph Description The morphological characteristics and microscopic characteristics of common Aspergillus colonies in stored grain are shown in Figures 1 to 81 respectively. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 26628.1-2024_English be delivered?Answer: Upon your order, we will start to translate GB/T 26628.1-2024_English as soon as possible, and keep you informed of the progress. The lead time is typically 4 ~ 6 working days. 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