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Non-destructive detection of acrylamide in potato fries with a high-power SWIR supercontinuum laser
Author(s): Kaiwen Guo; Brandon Demory; Shawn Z. Meah; Tianqu Zhai; Ramon Martinez; Mohammed N. Islam; Lukaz Maksymiuk; Fred L. Terry; Carl A. DeWilde; Michel J. Freeman; Luju Ren; Luis Rodriguez-Saona
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Paper Abstract

We demonstrate infrared spectroscopy systems that are capable of predicting acrylamide level in powders of potato fries based on all-fiber high power supercontinuum (SC) lasers in both the short-wave and mid-wave infrared spectral range. Two SC lasers used in this study cover wavelength range of 670nm to 2500nm and 1600nm to 11000nm, respectively. We use the spectroscopy system to measure 32 French fry samples with different acrylamide concentrations calibrated by gas chromatography-mass spectroscopy (GCMS). Our predicted acrylamide concentrations show a good linear correlation to the measured acrylamide concentration obtained through GCMS, and the partial least square regression analysis shows standard error down to 145ppb. Based on our results, our system could provide a non-destructive alternative method for determining the acrylamide in food samples at a stand-off distance, which could be important for near-line or in-line quality control purposes.

Paper Details

Date Published: 7 March 2019
PDF: 8 pages
Proc. SPIE 10897, Fiber Lasers XVI: Technology and Systems, 108971S (7 March 2019); doi: 10.1117/12.2514326
Show Author Affiliations
Kaiwen Guo, Univ. of Michigan (United States)
Brandon Demory, Omni Science Inc. (United States)
Shawn Z. Meah, Omni Sciences Inc. (United States)
Tianqu Zhai, Univ. of Michigan (United States)
Ramon Martinez, Univ. of Michigan (United States)
Mohammed N. Islam, Univ. of Michigan (United States)
Omni Sciences Inc. (United States)
Lukaz Maksymiuk, Omni Sciences Inc. (United States)
Fred L. Terry, Univ. of Michigan (United States)
Carl A. DeWilde, Omni Sciences Inc. (United States)
Michel J. Freeman, Omni Sciences Inc. (United States)
Luju Ren, The Ohio State Univ. (United States)
Luis Rodriguez-Saona , The Ohio State Univ. (United States)

Published in SPIE Proceedings Vol. 10897:
Fiber Lasers XVI: Technology and Systems
Adrian L. Carter; Liang Dong, Editor(s)

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