Infrared spectroscopic techniques for the non-invasive and rapid quality control of Chinese traditional medicine Si-Wu-Tang

C.K. Pezzei,a,§ M. Watschinger,a,§ V.A. Huck-Pezzei,a C.B.S. Lau,b Z. Zuo,c P.C. Leungb and C.W. Hucka,* Institute of Analytical Chemistry and Radiochemistry, CCB-Center for Chemistry and Biomedicine, Innrain 80/82, 6020 Innsbruck, Austria. E-mail: Christian.W.Huck@uibk.ac.at Institute of Chinese Medicine and State Key Laboratory of Phytochemistry and Plant Resources in West China, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong School of Pharmacy, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong Contributed equally