This standard specifies the relevant terms and definitions, requirements, test methods and requirements for signs, labels, packaging, transportation, storage, etc. of shoot corn. This standard is applicable to the inspection, evaluation and identification of the quality of shoot corn in the process of scientific research, production, processing, sales, etc. NY/T 690-2003 Shoot Corn NY/T690-2003 Standard download decompression password: www.bzxz.net

This standard is proposed and managed by the Department of Crop Production of the Ministry of Agriculture. Former
The drafting unit of this standard: Grain Quality Supervision, Inspection and Testing Center of the Ministry of Agriculture. The main drafters of this standard: Lin Xi, Li Jingmei, Wang Shuang, Jiang Guohua, Lu Wei. This standard is interpreted by the Grain Quality Supervision, Inspection and Testing Center of the Ministry of Agriculture. NY/T690--2003
1 Scope
Shoot corn≠
NY/T690---2003
This standard specifies the relevant terms and definitions, requirements, test methods and requirements for signs, labels, packaging, transportation, storage, etc. of shoot corn. This standard is applicable to the inspection, evaluation and identification of the quality of shoot corn in the process of scientific research, production, processing and sales. 2 Normative references
The clauses in the following documents become the clauses of this standard through reference in this standard. For dated references, all subsequent amendments (excluding errata) or revisions are not applicable to this standard. However, parties to agreements based on this standard are encouraged to study whether the latest versions of these documents can be used. For undated references, the latest versions apply to this standard. GB1353 Corn
3 Terms and Definitions
The following terms and definitions apply to this standard. 3.1
Shoot corn
A type of corn with fresh young ears (harvested before or after silking, young female ears without bulging grains, shaped like bamboo shoots) as edible parts, different from corn for grain and silage.
The length of the whole shoot corn.
The maximum diameter measured at right angles to the longitudinal axis of the shoot corn. 4 Requirements
4.1 Specifications
The specifications of shoot corn are shown in Table 1.
Specifications of shoot corn
4.2 Sensory indicators
4.2.1 See Table 2 for sensory indicators.
50～70
71～90
14～17
Unit: mm
91～110
NY/T 690—2003
Fresh and clean, neat ear shape, color
Table 2 Sensory indicators of shoot corn
Fresh and clean, neat ear shape, uniform color
, neat and tight arrangement of kernels, uniform size.
Sweet, fragrant and crispy, no fiber feeling. Www.bzxZ.net
Nice, relatively neat and tight arrangement of kernels.
Sweet and delicious, no obvious fiber feeling
Fresh and clean, similar color, and neat arrangement of kernels.
The sweet taste is slightly less fragrant and has a slight fiber feel.
4.2.2 In the same grade, if one item does not meet the requirements, it will be downgraded to the next grade, and grades below three are considered off-grade. 4.3 Sanitary inspection and plant quarantine
Sanitary inspection and plant quarantine shall be carried out in accordance with relevant national standards and regulations. 5 Test methods
5.1 General principles of inspection, color and smell shall be carried out in accordance with GB1353. 5.2 Determination of shoot diameter: Measure the maximum diameter of the shoot corn in the vertical direction along the longitudinal axis. 6 Marking, labeling, packaging, transportation, storage Marking, labeling, packaging, transportation, and storage shall be carried out in accordance with relevant national standards and regulations. 2
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