NY/T 520-2002
AbolishedQuality protein maize
优质蛋白玉米
Catalogue
前言 → 1 范围 → 2 规范性引用文件 → 3 术语和定义 → 4 要求 Foreword → 1 Scope → 2 Normative References → 3 Terms and Definitions → 4 Requirements
Scope
This standard specifies the terms and definitions, requirements, inspection methods, and marking, labeling, packaging, etc. for quality protein maize. This standard applies to the inspection, evaluation, and identification of the quality of quality protein maize during production, processing, and sales.
本标准规定了优质蛋白玉米的术语定义、要求、检验方法和标志、标签、包装等。本标准适用于生产、加工、销售等过程中对优质蛋白玉米质量的检验、评价和鉴定。
Normative References
Keywords
Application Summary AI generated
Maize producers, processors, and traders use this standard to inspect and evaluate the quality of quality protein maize. It helps unify terminology and testing methods, ensuring that lysine and crude protein levels meet requirements. This standard is important for improving the nutritional quality of maize and regulating market circulation.
玉米生产商、加工企业和销售商使用这个标准来检验和评价优质蛋白玉米的质量。它帮助各方统一术语和检测方法，确保玉米的赖氨酸和粗蛋白含量达标。该标准对提高玉米营养品质、规范市场流通具有重要意义。
AI Summary AI generated
This standard specifies terms, definitions, requirements, inspection methods, and labeling for quality protein maize, applicable to quality inspection and evaluation during production, processing, and sales. Key indicators include grain lysine content greater than 0.40% and crude protein content, used for grading. Normative references cover methods for maize, impurities, moisture, and protein determination. The standard aims to regulate market circulation and enhance the nutritional quality of quality protein maize.
本标准规定了优质蛋白玉米的术语定义、要求、检验方法和标志标签包装等内容，适用于生产、加工和销售环节的质量检验与评价。核心指标包括籽粒赖氨酸含量大于0.40%和粗蛋白含量，按这两项定等。引用文件涉及玉米、杂质、水分和蛋白质测定方法。标准旨在规范优质蛋白玉米的市场流通，提升其营养品质。
Key Sentences extracted from text
本标准规定了优质蛋白玉米的术语定义、要求、检验方法和标志、标签、包装等。
优质蛋白玉米：籽粒赖氨酸含量>0.40%的硬质或半硬质胚乳玉米。
粗蛋白：含氮量乘以一定系数之积，本标准中为玉米籽粒总氮含量乘以6.25。
优质蛋白玉米按籽粒粗蛋白和赖氨酸两项指标定等，等级指标及其他质量指标见表1。
本标准适用于生产、加工、销售等过程中对优质蛋白玉米质量的检验、评价和鉴定。
This standard specifies the terms and definitions, requirements, inspection methods, and marking, labeling, packaging, etc. for quality protein maize.
Quality protein maize: hard or semi-hard endosperm maize with a grain lysine content >0.40%.
Crude protein: the product of nitrogen content multiplied by a certain coefficient, in this standard it is the total nitrogen content of maize grain multiplied by 6.25.
Quality protein maize is graded based on two indicators: grain crude protein and lysine; grade indicators and other quality indicators are shown in Table 1.
This standard applies to the inspection, evaluation, and identification of the quality of quality protein maize during production, processing, and sales.