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Shi H.-L.,Yunnan Institute of the Nationalities | Shi H.-L.,Yunnan Academy of Tobacco Science | Xu Y.-R.,Yunnan Institute of the Nationalities | Xu Y.-R.,Yunnan Academy of Tobacco Science | And 5 more authors.
Asian Journal of Chemistry | Year: 2010

A gas chromatography-mass spectrometry method for the determination of polyphenols (chlorogenic acid, rutin and scopoletin) in tobacco samples was studied. The polyphenols were extracted from the samples by ultrasonic extraction and a 99:1 mixture of N,O-bis(trimethylsilyl)trifluoroacetamide and trimethylchlorosilane was used for derivatization. With GC-MS detection in single-ion-monitoring mode, the main polyphenols (chlorogenic acid, rutin and scopoletin) were analyzed quantitatively. The limit of detections (S/N = 3) were below 50 ng/mL, the relative standard deviations (RSD) were below 3.2 % (n = 7) and the recoveries were in the range of 92-106 %. Source

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