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GB/T 19541-2017 PDF English

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GB/T 19541-2017: Feed materials - Soybean meal
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GB/T 19541: Historical versions

Standard IDUSDBUY PDFDeliveryStandard Title (Description)Status
GB/T 19541-201785 Add to Cart Auto, 9 seconds. Feed materials - Soybean meal Valid
GB/T 19541-200470 Add to Cart Auto, 9 seconds. Soybean meal (solvent) for feedstuff Obsolete

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GB/T 19541-2017: Feed materials - Soybean meal

---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/GBT19541-2017
GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 65.120 B 46 Replacing GB/T 19541-2004 Feed materials - Soybean meal Issued on. JULY 12, 2017 Implemented on. FEBRUARY 01, 2018 Issued by. General Administration of Quality Supervision Inspection and Quarantine of PRC; Standardization Administration of PRC.

Table of Contents

Foreword... 3 1 Scope... 5 2 Normative references... 5 3 Terms and definitions... 6 4 Requirements... 6 5 Test methods... 7 6 Inspection rules... 8 7 Labeling, packaging, transportation and storage... 9 Appendix A (Normative) Determination of solubility of potassium hydroxide protein... 10

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 19541-2004 “Soybean meal for feed”. As compared with GB/T 19541-2004, except for editorial changes, the main technical changes are as follows. - CHANGE the standard name from “Soybean meal for feed” to “Feed materials - Soybean meal”; - MODIFY the scope of the standard (see clause 1); - MODIFY the normative references (see clause 2); - In the sensory traits, DELETE the pale brown, ADD the light brown or reddish brown, ADD the coarse granules, DELETE the agglomeration (see 4.1); - DELETE the inclusion index (see clause 4.2 of the 2004 version); - MODIFY the quality grade indicator (see 4.2); - ADD the net content requirements (see 4.4); - DELETE the inspection of inclusions (see clause 5.1 of the 2004 version); - MODIFY the inspection of sensory traits and urease activity (see 5.1 and 5.7); - ADD the inspection of lysine, hygiene indicators and net content (see 5.6, 5.9 and 5.10); - MOVE the method for determining the solubility of potassium hydroxide protein to Appendix A (see 5.8); - DELETE the tolerances in the test method as well as the requirements for monitoring and arbitration (see 5.8 and 5.9 of the 2004 version); - MODIFY the inspection rules (see clause 6); - ADD that the soybean meal which is produced by the use of genetically modified soybeans shall follow the provisions of the “Administrative measures for the identification of agricultural genetically modified organisms” (see 7.1); - MODIFY the determination of the solubility of potassium hydroxide protein (see Appendix A). This standard was proposed by and shall be under the jurisdiction of the National Feed Industry Standardization Technical Committee (SAC/TC 76). Drafting organizations of this standard. Feed Quality Supervision, Inspection and Testing Center of the Ministry of Agriculture (Jinan). The main drafters of this standard. Tang Wenli, Guo Jiyuan, Li Yuling, Chu Lixia, Shi Yongge, Liang Meng, Li Guihua. This standard replaces the standard previously issued as follows. - GB/T 10380-1989, GB/T 19541-2004. Feed materials - Soybean meal

1 Scope

This standard specifies the relevant terms and definitions, requirements, test methods, inspection rules, labeling, packaging, transportation and storage of feed materials - soybean meal. This standard is applicable to feed materials - soybean meal, which is obtained by oil extraction through pre-pressing digestion or direct solvent digestion of soybean; or feed materials - soybean meal, which is obtained by oil extraction through digestion of soybean cake; or feed materials - soybean meal, which is obtained by oil extraction of soybean hull through expansion digestion oil- making process.

2 Normative references

The following documents are essential to the application of this document. For the dated documents, only the versions with the dates indicated are applicable to this document; for the undated documents, only the latest version (including all the amendments) are applicable to this standard. GB/T 6432 Method for the determination of crude protein in feedstuffs GB/T 6434 Feeding stuffs - Determination of crude fiber content - Method with intermediate filtration GB/T 6435 Determination of moisture in feedstuffs GB/T 6438 Method for the determination of crude ash in feedstuffs GB/T 6682 Water for analytical laboratory use - Specification and test methods

3 Terms and definitions

The following terms and definitions apply to this document. 3.1 Protein solubility in potassium-hydroxide solution The mass fraction of the crude protein content of the soybean meal sample which, under the conditions as shown in Appendix A, can be soluble in 0.2% potassium hydroxide solution to the total crude protein content in the sample.

4 Requirements

4.1 Sensory traits This product is light yellow or light brown or reddish brown, in irregular fragments or coarse particles or coarse powder, without fermentation, mildew, insect damage or odors. 4.2 Quality grade indicators The quality grade indicators are as shown in Table 1. 4.4 Net content The net content shall comply with the indications on the label, the deviation shall comply with the provisions of the Administrative measures for the supervision of quantitative packaging commodity measurement.

5 Test methods

5.1 Sensory traits It shall be performed in accordance with the provisions of clause 7 of GB/T 14698-2002. 5.2 Crude protein It shall be performed in accordance with the provisions of GB/T 6432. 5.6 Lysine It shall be performed in accordance with the provisions of GB/T 18246. 5.7 Urease activity It shall be performed in accordance with the provisions of GB/T 8622. 5.8 Potassium hydroxide protein’s solubility It shall be performed in accordance with the provisions of Appendix A. 5.9 Hygiene indicators It shall be performed in accordance with the provisions of GB 13078. 5.10 Net content It shall be performed in accordance with the provisions of JJF 1070.

6 Inspection rules

6.1 Group-batch The products which are continuously manufactured using the same batch of raw materials and the same process at the same production day with the same specifications form one batch. 6.2 Sampling It is performed in accordance with the provisions of GB/T 14699.1. 6.4 Type inspection In one of the following cases, a type inspection shall be carried out, the inspection items shall include all items specified in this standard. 6.5 Judgment rules 6.5.1 The allowable error of the judgment of the test results shall be in accordance with the provisions of GB/T 18823.

7 Labeling, packaging, transportation and storage

7.1 Labeling It is performed in accordance with the provisions of GB 10648.The soybean meal which is produced by the use of genetically modified soybeans shall follow the provisions of the “Administrative measures for the identification of agricultural genetically modified organisms” 7.2 Packaging Quantitative packaging, or packaging in accordance with user requirements. 7.4 Storage It is stored in a ventilated, dry place. It shall not store it with toxic or hazardous materials or other contaminative items.

Appendix A

(Normative) Determination of solubility of potassium hydroxide protein A.1 Principle of the method The solubility of crude protein of soybean meal in potassium hydroxide solution is affected by the degree of thermal processing. Under the specified conditions, the crude protein content of the soybean meal sample which is dissolved in the potassium hydroxide solution as well as the crude protein content of the sample are respectively determined, the ratio of the contents of the two is calculated to obtain the solubility of the potassium hydroxide protein. A.2 Reagent Unless otherwise specified, it only uses the analytically pure reagents. A.3 Instruments A.3.1 Laboratory sample crusher. No strong heat shall be generated during pulverization. A.3.2 Sample sieve. The pore size is 0.25 mm. A.3.3 Analytical balance. The sensitivity is 0.0001 g. A.4 Preparation of specimen It is performed in accordance with the provisions of GB/T 20195, make the crushed sample pass through the 0.25 mm aperture sample sieve, mix it thoroughly, contain it into the stoppered grinding-mouth jar to prepare for use. A.5 Steps for determination A.5.1 WEIGH 1.0 g of sample material, accurate to 0.0001 g, PLACE it in a 250 mL high beaker (A.3.6). A.6 Calculation of results The solubility of potassium hydroxide protein is expressed as mass fraction X, the value is expressed in %, calculated in accordance with formula (A.1). ......

Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al.
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