NY/T 1933-2010 PDF in English
NY/T 1933-2010 (NY/T1933-2010, NYT 1933-2010, NYT1933-2010)
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Grades and specifications of soybean
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NY/T 1933-2010: PDF in English (NYT 1933-2010) NY/T 1933-2010
NY
AGRICULTURE INDUSTRY STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
ICS 67.060
B 23
Grades and specifications of soybean
ISSUED ON: SEPTEMBER 21, 2010
IMPLEMENTED ON: DECEMBER 01, 2010
Issued by: Ministry of Agriculture of the People's Republic of China
Table of Contents
Foreword ... 3
1 Scope ... 4
2 Normative references ... 4
3 Terms and definitions ... 5
4 Classification ... 5
5 Requirements ... 5
6 Sampling methods ... 7
7 Test methods ... 7
8 Inspection rules ... 8
9 Labelling ... 8
10 Packaging, storage and transportation ... 9
Grades and specifications of soybean
1 Scope
This document specifies the terms and definitions, classification, grade and
specification requirements, sampling methods, test methods, inspection rules, labeling,
packaging, storage and transportation of soybeans.
This Standard applies to commodity soybeans.
2 Normative references
The following referenced documents are indispensable for the application of this
document. For dated references, only the edition cited applies. For undated references,
the latest edition of the referenced document (including any amendments) applies.
GB 1352-2009, Soybean
GB/T 5490, Inspection of grain and oils - General rules
GB 5491, Inspection of grain and oilseeds. Methods for sampling and sample
reduction
GB/T 5492, Inspection of grain and oils - Identification of colour, odor and taste of
grain and oilseeds
GB/T 5494, Inspection of grain and oils - Determination of foreign matter and
unsound kernels of grain and oilseeds
GB/T 5497, Inspection of grain and oilseeds. Methods for determination of moisture
content
GB/T 5511, Cereals and pulses - Determination of the nitrogen content and
calculation of the crude protein content - Kjeldahl method
GB/T 5512, Inspect of grain and oilseeds - Determination of crude fat content in
grain
GB/ T 5519-2008, Cereals and pulses - Determination of the mass of 1000 grains
GB 7718, National food safety standards - General Principles of pre-packaged food
labels
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1 high-oil soybean
Soybeans with crude fat content (dry basis) not less than 20.0%.
3.2 high-protein soybean
Soybeans with crude protein content (dry basis) not less than 40.0%.
3.3 mass of 100 soybeans
The mass of whole soybeans per hundred grains under the condition of moisture content
of 13%.
4 Classification
According to the provisions of Chapter 4 of GB 1352-2009.
5 Requirements
5.1 Grades
5.1.1 Basic requirements for grades
Each grade of soybeans shall meet the following basic conditions:
- With normal color and smell of soybeans;
- Impurity content ≤ 1.0%;
- Moisture content ≤ 13.0%.
5.1.2 Classification of soybean grades
Under the premise of meeting the basic requirements for grades, soybeans are divided
into five grades: grade 1, grade 2, grade 3, grade 4 and grade 5 according to the
percentage of intact kernels and damaged kernels. The classification of soybean grades
shall comply with the provisions in Table 1.
According to the provisions of GB/T 5512.
7.6 Crude protein
According to the provisions of GB/T 5511.
7.7 Mass of 100 soybeans
Measure according to the method specified in GB/T 5519-2008. Convert the calculation
result into mass of 100 soybeans under 13% moisture. The result is rounded to one
decimal place.
8 Inspection rules
8.1 The general rules of inspection shall be carried out according to the provisions of
GB/T 5490.
8.2 The inspection batches are soybeans of the same variety, same origin, same harvest
year, same transport unit, and same storage unit.
8.3 Soybeans are rated according to the percentage of intact kernels. Grade 3 is medium.
If the intact kernel rate is lower than the minimum grade, it shall be regarded as off
standard.
8.4 High-oil soybeans are rated according to the crude fat content. Grade 2 is medium.
Soybeans with a crude fat content lower than the minimum grade shall not be regarded
as high-oil soybeans.
8.5 High-protein soybeans are rated according to crude protein content. Grade 2 is
medium. Soybeans whose crude protein content is lower than the minimum grade shall
not be regarded as high-protein soybeans.
9 Labelling
In addition to complying with the provisions of GB 7718, it shall also comply with the
following provisions:
- The name, category, grade, specification, place of origin, harvest year and month
of the product shall be indicated on the package or in the accompanying documents.
- Genetically modified soybeans shall be labeled in accordance with relevant
national regulations.
......
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.
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