Article

Detection of Glycoalkaloids and Chlorophyll in Potatoes (Solanum tuberosum L.) by Hyperspectral Imaging

American Journal of Potato Research, Springer Nature, ISSN 1874-9380

Volume 94, 6, 2017

DOI:10.1007/s12230-017-9595-z, Dimensions: pub.1086125224,

Authors

Kjær, Anders * (1) (2)
Nielsen, Glenn (1) (3)

* Corresponding author

Affiliations

Organisations

  1. (1) Newtec Engineering A/S, Staeremosegaardsvej 18, -5230, Odense, DK, Denmark
  2. (2) Aarhus University, grid.7048.b, AU
  3. (3) University of Southern Denmark, grid.10825.3e, SDU

Countries

Denmark

Continents

Europe

Description

The purpose of the study was to investigate the use of hyperspectral imaging (HSI) to detect and quantify chlorophyll (Chl) and total glycoalkaloid concentrations (TGA) in potatoes. To create a set of tubers with different concentrations of Chl and TGA, potatoes of four varieties were wounded or treated with red, blue, red/blue, UV-a, UV-b or UV-c light. HSI analyses were performed with a reflection based setup implemented in an industrial potato sorting machine. After hyperspectral analyses, the peel was sampled, and concentrations of Chl and total TGA were determined. Results showed that the HSI system predicted the concentrations of Chl with a relatively high degree of accuracy, and a prediction R2 value of 0.92. Prediction of TGA concentrations performed to a much lesser extent, and the overall prediction R2 value was only 0.21. Moderate soil covers only affected the prediction powers to a minor degree.

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NORA University Profiles

Aarhus University

University of Southern Denmark

Danish Open Access Indicator

2017: Unused

Research area: Science & Technology

Danish Bibliometrics Indicator

2017: Level 1

Research area: Science & Technology

Dimensions Citation Indicators

Times Cited: 3

Field Citation Ratio (FCR): 2.3