Screening melamine adulterant in milk powder with laser Raman spectrometry

被引：111

作者：

Cheng, Yan ^{[1
]}

Dong, Yiyang ^{[1
]}

Wu, Jinghang ^{[2
]}

Yang, Xiaoran ^{[1
]}

Bai, Hua ^{[1
]}

Zheng, Hongyan ^{[1
]}

Ren, Dongmei ^{[1
]}

Zou, Yundong ^{[1
]}

Li, Ming ^{[1
]}

机构：

[1] Chinese Acad Inspect & Quarantine Sci, Beijing 100123, Peoples R China

[2] Titan Electroopt Co Ltd, Beijing 100086, Peoples R China

来源：

JOURNAL OF FOOD COMPOSITION AND ANALYSIS | 2010年 / 23卷 / 02期

关键词：

Melamine; Raman spectroscopy; Milk powder; Screening; Partial least squares (PLS); On-site quality control; Rapid detection; Food analysis; Food safety; Food adulteration; MASS-SPECTROMETRY; LIQUID-CHROMATOGRAPHY; CYANURIC ACID; PET FOOD; SPECTROSCOPY; TOXICITY; CATS;

D O I：

10.1016/j.jfca.2009.08.006

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

Melamine adulterant in milk powder was detected using a portable compact Raman spectrometric system. Melamine-free milk powder from a domestic brand was used as blank control after verification by HPLC tandem mass spectrometry. Melamine fortified in milk powder was identified with good reproducibility by two characteristic vibration modes at 673 and 982 cm(-1). The intensity of the first mode was used to quantify melamine adulterant in milk powder. A detection limit (DL) of 0.13% and a good partial least squares (PLS) analysis model were obtained. As a fast-screening scheme, the method could be suitably applied to on-site quality control of dairy products and market surveillance. (C) 2009 Elsevier Inc. All rights reserved.

引用

页码：199 / 202

页数：4

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