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Metabolites 2018, 8(3), 49; https://doi.org/10.3390/metabo8030049

Untargeted Metabolomics Analysis of Eggplant (Solanum melongena L.) Fruit and Its Correlation to Fruit Morphologies

1
Department of Agronomy and Horticulture, Bogor Agricultural University, Jl. Meranti, IPB Dramaga Campus Bogor, West Java 16680, Indonesia
2
Center for Tropical Horticulture Studies, Bogor Agricultural University, Bogor 16680, Indonesia
3
Department of Biotechnology, Graduate School of Engineering, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871, Japan
4
Microbiology Division, Institute of Biological Sciences, University of the Philippines Los Baños, Los Baños, Laguna 4031, Philippines
*
Author to whom correspondence should be addressed.
Received: 11 July 2018 / Revised: 27 August 2018 / Accepted: 29 August 2018 / Published: 1 September 2018
(This article belongs to the Special Issue Mass Spectrometry-Based Metabolomics and Its Applications)
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Abstract

Eggplant is one of the most widely cultivated vegetables in the world and has high biodiversity in terms of fruit shape, size, and color. Therefore, fruit morphology and nutrient content become important considerations for both consumers and breeders who develop new eggplant-based products. To gain insight on the diversity of eggplant metabolites, twenty-one eggplant accessions were analyzed by untargeted metabolomics using GC-MS and LC-MS. The dataset of eggplant fruit morphologies, and metabolites specific to different eggplant fruit accessions were used for correlation analysis. Untargeted metabolomics analysis using LC-MS and GC-MS was able to detect 136 and 207 peaks, respectively. Fifty-one (51) metabolites from the LC-MS analysis and 207 metabolites from the GC-MS analysis were putatively identified, which included alkaloids, terpenes, terpenoids, fatty acids, and flavonoids. Spearman correlation analysis revealed that 14 fruit morphologies were correlated with several metabolites. This information will be very useful for the development of strategies for eggplant breeding. View Full-Text
Keywords: untargeted metabolomics; eggplant fruit diversity; GC-MS; LC-MS; eggplant fruit morphology untargeted metabolomics; eggplant fruit diversity; GC-MS; LC-MS; eggplant fruit morphology
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Hanifah, A.; Maharijaya, A.; Putri, S.P.; Laviña, W.A.; Sobir. Untargeted Metabolomics Analysis of Eggplant (Solanum melongena L.) Fruit and Its Correlation to Fruit Morphologies. Metabolites 2018, 8, 49.

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