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Fig. 6 | BMC Complementary and Alternative Medicine

Fig. 6

From: Antioxidants and α-glucosidase inhibitors from Neptunia oleracea fractions using 1H NMR-based metabolomics approach and UHPLC-MS/MS analysis

Fig. 6

The overall Pearson’s correlation between the metabolites and bioactivities of different fractions of N. oleracea. The value of the correlation coefficients is represented by the blue and red colour intensities. 1, phytosterol; 2, fatty acids; 3, alanine; 4, leucine; 5, valine; 6, α-glucose; 7, β-glucose; 8, fructose; 9, oleanolic acid; 10, quercetin derivatives; 11, kaempferol derivatives; 12,apigenin derivatives; 13, myricetin derivatives; 14, gallic acid; 15, 3,4-O-dimethylgallic acid; 16, caffeic acid; 17, catechin

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