Fermentation time (h) NR Fluorescence Lipids (%w/w) 14.5 426 7.1 20.3 367 6.2 38.3 520 8.4 62.2 343 5.9 118 305 5.4

Table 1: Normalised NR fluorescence of R. glutinis cells taken at different fermentation times, detected by flow cytometry, and yeast oil content calculated through the correlation [Lipid content (% w/w dry cell weight) = 0.014× Fluorescence +1.14; r2 = 0.833].