Application of laser-based photoacoustic spectroscopy and colorimetry for quantification of anthocyanin in hard boiled candy

作者：Kovacs Mihaly; Doka Otto^*; Bicanic Dane; Ajtony Zsolt

来源：Microchemical Journal, 2017, 135: 100-104.

DOI：10.1016/j.microc.2017.08.013

• Anthocyanin (E163)
• Hard boiled candy
• Non-destructive analysis
• Laser-based photoacoustic spectroscopy
• colorimetry
• Spectrophotometry

The analytical performance of the newly proposed laser-based photoacoustic spectroscopy (LPAS) and colorimetric method for quantification of anthocyanin (E163) in commercially available hard boiled candies are compared to that of the spectrophotometry (SP). Both LPAS and colorimetry are direct methods that unlike SP do not require the extraction of the analyte or some additional sample treatment. Results indicate that LPAS and colorimetry are both suitable for quickly screening content of anthocyanin in hard boiled candies. The correlation between the two methods and spectrophotometry is linear with R-2 = 0.9989 for LPAS and R-2 = 0.9570 for colorimetry.

• 出版日期2017-11