关键词: 快速蒸发电离质谱技术, 化妆品, 质量溯源, 判别模型, 快速检测

Abstract:

With the continuous progress of social economy and plentifulness of the physical life, the use of cosmetics has become more and more common. Driven by economically motivated adulteration (EMA), fake and shoddy cosmetics in the market is becoming more and more serious. But the current quality traceability is mainly carried out through information tracing, so it is very necessary to establish a high-precision, fast and convenient detection method of cosmetics quality traceability. In this study, REIMS technology was used to test authentic and commercial cosmetics samples. In addition, clustering analysis was made to analysis liquid and milky sample under positive and negative mode respectively. Then, PCA-LDA models were constructed to find suspected counterfeits. Besides, the authentic cosmetics samples were used to build a discriminant model, and the commercial samples were distinguished to ascertain the counterfeit cosmetics. Then, Progenesis QI software was used to analyze the difference of mass spectrometry information between real and fate cosmetics samples and infer the structure. then, the main quality traceability target factors were determined, which laid a foundation for the standardization of rapid detection technology of cosmetics and quantitative detection of characteristic target species in the future.

Key words: rapid evaporative ionization mass spectrometry(REIMS), cosmetics, quality traceability, identification model, rapid identification