Siti Farah Mamat, Kamalrul Azlan Azizan, S. Baharum, N. Noor, W. Aizat
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引用次数: 12
Abstract
Garcinia mangostana Linn. (mangosteen) reportedly contains several bioactive metabolites which have been used in various traditional disease treatment, nutritional supplement and skincare products. However, reports detailing its characterization and metabolite content are still scarce. Most of the earlier reports only focused on the extraction of specific metabolites such as xanthones and anthocyanins, rather than a comprehensive metabolome profile. In this study, global metabolomics approach using gas chromatography-mass spectrometry (GC-MS) analysis was conducted to profile the metabolite content of mangosteen fruit pericarp harvested at the final stage of ripening (dark purple stage). Five different extraction methods, which vary in their solvent mixtures, solvent ratios, with or without sonication were compared, aimed to maximize metabolite detection from the mangosteen tissue. The results showed that the method using a combined solvent mixture of methanol/chloroform/water (3:1:1 v/v ratio) with sonication has consistent reproducibility amongst biological replicates and successfully yielded the highest number of metabolites compared to the other methods. By combining the results of different extraction methods, we tentatively identified a total of 73 metabolites comprising of sugars (49.32%), alcohols (9.59%), sugar acids (8.22%), organic acids (6.85%), phenolic acids (5.48%), aromatic compounds (2.74%) and aldehyde (1.37%). This finding provides an overview of the metabolite content of mangosteen pericarp and comprehensive assessment of extraction methods for an untargeted metabolomics approach of this beneficial fruit.
期刊介绍:
Plant OMICS is an international, peer-reviewed publication that gathers and disseminates fundamental and applied knowledge in almost all area of molecular plant and animal biology, particularly OMICS-es including:
Coverage extends to the most corners of plant and animal biology, including molecular biology, genetics, functional and non-functional molecular breeding and physiology, developmental biology, and new technologies such as vaccines. This journal also covers the combination of many areas of molecular plant and animal biology. Plant Omics is also exteremely interested in molecular aspects of stress biology in plants and animals, including molecular physiology.