File Name : _s1.tif

Caption : fig. s1. mass spectrum of the capsaicin derivatization product

File Name : _s2.tif

Caption : fig. s2. raman spectra of the capsaicin derivative at different reaction times: (a) 10-8 g/ml; (b) 10-9 g/ml; (c) 10-10 g/ml (capsaicin concentration).

File Name : s3.tif

Caption : fig.s3. sers spectrum of 5.0×10-12 g/ml capsaicin in soybean oil matrix.