根据多元素,稳定同位素和非位代谢组结合化学测量的基础,对田大米和传统大米的分类
Xianxin Wu1, Lina Li1, Tianshu Peng1
1Institute of Agricultural Quality Standards and Testing Technology, Liaoning Academy of Agricultural Sciences, Shenyang 110161, China.
Foods (Basel, Switzerland)
|June 13, 2025
概括
由于欺诈风险,验证大米至关重要. 本研究使用元素,同位素和代谢物分析来区分高价值的田大米与传统大米,确保产品的真实性.
科学领域:
- 农业化学 农业化学
- 食品科学 食品科学 食品科学
- 分析化学 分析化学
背景情况:
- 的质量与种植方法有关,与的共同种植产生了优质产品.
- 田大米的价值较高,使其易受商业欺诈,需要可靠的身份验证方法.
研究的目的:
- 开发一种强大的方法来区分田大米与传统大米.
- 识别关键的化学标记,表明大米的来源和种植实践.
主要方法:
- 多元元素分析,稳定同位素比率分析 (δ15N和δ13C) 和代谢物分析的协同应用.
- 利用化学测量方法进行数据分析和歧视模拟.
主要成果:
- 七个关键元素 (Se,Rb,Cu,Cd,Ag,V,Zn),两个稳定的同位素 (δ15N,δ13C) 和九种代谢物被确定为重要的歧视因素.
- 基于元素/同位素数据或代谢物数据的差别分析模型实现了田和传统大米的完全分离.
结论:
- 同位素,元素和代谢指纹提供了有效和可靠的方法来验证田大米的真实性.
- 这种方法支持优质大米市场的完整性,并保护消费者免受欺诈性产品的侵害.
相关概念视频
03:35Classifying Matter by Composition
Matter: Pure Substances and Mixtures
According to its composition, the matter can be classified into two broad categories — pure substances and mixtures.
A pure substance is a form of matter that has a constant composition throughout with uniform properties. For example, any sample of sucrose has the same composition and same physical properties, such as melting point, color, and sweetness, regardless of the source from which it is isolated.
A mixture is composed of two or more types of...
According to its composition, the matter can be classified into two broad categories — pure substances and mixtures.
A pure substance is a form of matter that has a constant composition throughout with uniform properties. For example, any sample of sucrose has the same composition and same physical properties, such as melting point, color, and sweetness, regardless of the source from which it is isolated.
A mixture is composed of two or more types of...
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