The Assessment of Laser Photoacoustic Spectroscopy as the Analytical Tool for Studying the Potato Sprout Suppressants Carvone and Pulegone

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CO2 laser photoacoustic spectroscopy in combination with the resonant cell has been used to determine the absorption cross sections of the sprouting suppressants pulegone and carvone in order to evaluate the prospects of this technique for practical application during the storage of harvested potatoes. Maximal values found at room temperature are 0.06 atm−1 cm−1 and 0.04 atm−1 cm−1 for pulegone and carvone respectively, corresponding to detection limits of 200 and 150 ppbv. At CO laser wavelengths, a 1 ppb detection limit has been derived.

Keywords: CO2 laser photoacoustic spectroscopy; Carvone; Pulegone; Sprouting suppressants

Document Type: Research Article


Affiliations: 1: Department of Physics and Agricultural Engineering, Agricultural University, Duivendaal 1, 6701 AP Wageningen, The Netherlands 2: Department of Physics, Gadjah Mada University, Bulak Sumur 10A, Yogjakarta, Indonesia 3: Institute of Isotopes, Hungarian Academy of Sciences, P.O. Box 77, 1525 Budapest, Hungary 4: Institute for Research on Storage and Processing of Agricultural Products IBvL, Postbox 118, 6700 AA Wageningen, The Netherlands

Publication date: February 1, 1990

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