Gas chromatography-mass spectrometry metabolomics-based prediction of potato tuber sprouting during long-term storage

Tomohiko Fukuda, Kiyofumi Takamatsu, Takeshi Bamba, Eiichiro Fukusaki

Research output: Contribution to journalArticle

Abstract

In order to supply potato (Solanum tuberosum L.) tubers for the processed food industry throughout the year, suppliers should provide consistent quality potatoes even after long-term storage. Despite being one of the most important foods, there is no simple way to control tuber quality and, in particular, controlling sprouting. Chemical suppression such as chlorpropham is used to inhibit sprouting, however, the regulatory status of such chemical inhibition differs in each country. Gas chromatography–mass spectrometry-based metabolomics was applied to identify the applicable biomarkers for prediction of potato sprouting during long-term storage. Sprouting was measured in chipping potatoes, and these were also subjected to metabolite profiling to develop a predictive model. The model was based on projections to latent structures (PLS) regression calculated from a metabolome data set obtained before storage and was consistent with actual measured sprouting values. Sucrose, phosphate, and amino acids were selected as valid contributing biomarkers for prediction in a validation field experiment. These biomarkers will contribute to the development of a successful novel method for prediction and control of potato tuber quality during long-term storage.

Original languageEnglish
Pages (from-to)249-254
Number of pages6
JournalJournal of Bioscience and Bioengineering
Volume128
Issue number2
DOIs
Publication statusPublished - Aug 1 2019

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Metabolomics
Biomarkers
Solanum tuberosum
Gas chromatography
Gas Chromatography-Mass Spectrometry
Mass spectrometry
Chlorpropham
Processed foods
Sugar (sucrose)
Metabolites
Spectrometry
Quality control
Sucrose
Amino acids
Phosphates
Gases
Amino Acids
Metabolome
Food Industry
Quality Control

All Science Journal Classification (ASJC) codes

  • Biotechnology
  • Bioengineering
  • Applied Microbiology and Biotechnology

Cite this

Gas chromatography-mass spectrometry metabolomics-based prediction of potato tuber sprouting during long-term storage. / Fukuda, Tomohiko; Takamatsu, Kiyofumi; Bamba, Takeshi; Fukusaki, Eiichiro.

In: Journal of Bioscience and Bioengineering, Vol. 128, No. 2, 01.08.2019, p. 249-254.

Research output: Contribution to journalArticle

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