Figure 1.

TIC of metabolite profiles of aqueous (a) and ethanolic (b) extracts from freeze-dried spirulina acquired in ESI(+) and ESI(−), set with a number of metabolites in groups of compounds (c) and classes of compounds (d) annotated in spirulina samples. (AAs & DPs, amino acids and dipeptides; CARs, carotenoids; CHLs, chlorophylls and derivatives; DGs, diacylglycerols; DGDGs, digalactosyl diacylglycerols; DGMGs, digalactosyl monoacylglycerols; LPCs, lysophosphatidylcholine; LPGs, lysophosphatidylglycerols; MGDGs, monogalactosyl diacylglycerols; MGMGs, monogalactosyl monoacylglycerols; N-comps, other polar nitrogen compounds; PCs, phosphatidylcholines; PEs, phosphatidylethanolamine; PGs, phosphatidylglycerols; Pl-Cers, ceramide phosphoinositols; SQDGs, sulfoquinovosyl diacylglycerols; SQMGs, sulfoquinovosyl monoacylglycerols; TGs, triacylglycerols).