GB/T 19541-2017 PDF English
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivery | Name of Chinese Standard | Status |
| GB/T 19541-2017 | English | 85 |
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Feed materials - Soybean meal
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| GB/T 19541-2004 | English | 70 |
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Soybean meal (solvent) for feedstuff
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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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