GB/T 22504.4-2024 in English
VALIDInspection of grain and oils—Assistant atlas of grain sensory inspection—Part 4: Oilseeds
- Issued on:2024-09-29
- Implemented on:2025-04-01
- File Format:PDF
- Delivery:Via email within 5 business days
$301.00
《GB/T 22504.4-2024粮油检验 粮食感官检验辅助图谱 第4部分：油料》由TC270（全国粮油标准化技术委员会）归口，TC270SC2（全国粮油标准化技术委员会油料及油脂分会）执行，主管部门为国家粮食和储备局。
Introduction
Sensory atlas for grain and oil inspection: Interpretation of GB/T 22504.4-2024 standard
Keywords: Grain and oil inspection, sensory inspection, oilseeds, soybeans, peanuts, rapeseed, auxiliary atlas
| Oilseed types | Classification dimensions | Standard requirements | Chart description |
|---|---|---|---|
| Soybean | Skin color and cotyledon color | Yellow soybean, green soybean (divided into green kernel and yellow kernel), black soybean (divided into green kernel and yellow kernel) | Figure 1-4 shows examples of classification of different skin colors and cotyledon colors |
| Peanut | Fruit and kernel morphology | Divided into peanut fruit and peanut kernel | Figures 17-18 show examples of distinguishing between fruit and kernel |
| Rapeseed | Kernel shape and color | Classification of impurities and imperfect kernels as specified in the standard | Figures 26-30 show examples of sprouting, mold, immaturity and heat damage |
Application and implementation suggestions of sensory inspection atlas
Explanation of professional terms and actual case analysis
Immature kernel: Refers to kernels with the green part of the cotyledon reaching one-half or more. For example, in soybean inspection, Figures 5 and 6 show the significant difference between shrunken kernels and immature kernels.
Background of Standard Formulation
GB/T 22504.4-2024 is an important supplement to the field of sensory inspection of grains and oils, aiming to improve the accuracy of inspection through visual and tactile aids. The standard is based on a large number of actual inspection cases and covers major oilseed varieties such as soybeans, peanuts, and rapeseed.
Technology Evolution Analysis
With the continuous advancement of grain and oil inspection technology, sensory inspection has developed from traditional empirical judgment to standardization and visualization. This standard provides an intuitive reference for inspectors through diagram comparison and classification examples.
Implementation Recommendations
- It is recommended that inspection institutions be equipped with electronic versions of standard auxiliary diagrams for quick comparison and judgment.
- Add practical operation drills for sensory inspection in the training session to ensure that inspectors are proficient in the application of classification examples.
- It is recommended to update the standard diagram regularly to meet the inspection needs of new oilseed varieties.
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