Thermogravimetry and Py-GC/MS techniques as fast qualitative methods for comparing the biochemical composition of Nannochloropsis oculata samples obtained under different culture conditions

► TGA and Py-GC/MS for biochemical composition analysis. ► Biochemical composition by usual methods highly correlated with TGA and Py-GC/MS. ► TGA and Py-GC/MS fast methods to compare the composition of different samples.