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Table 1 Biomass, glycogen and floridoside yields at different phases of G. sulphuraria growth in medium with 1 % glycerol and no salt

From: Floridoside production by the red microalga Galdieria sulphuraria under different conditions of growth and osmotic stress

Growth phase

Biomass (g dry cells/L)

Glycogen (% dry biomass)

Floridoside (% dry biomass)

Early exponential

0.69 ± 0.09

20.07 ± 1.39

0.52 ± 0.02

Middle exponential

2.68 ± 0.51

29.39 ± 2.50

1.20 ± 0.04

Late exponential

4.15 ± 0.19

36.76 ± 2.03

1.41 ± 0.14

Stationary

4.94 ± 0.17

35.40 ± 5.79

0.47 ± 0.06

  1. Values represent the average of three independent measurements ± standard deviation