Enhanced biomass productivity of microalgae Nannochloropsis sp. in an airlift photobioreactor using low-frequency flashing light with blue LED

Bioresources and Bioprocessing

Table 3 Treatment in 35-L airlift photobioreactors

Treatment	Flashing light in 1-h period (light:dark)	Symbol
Control	–	Control (natural photoperiodism)
1	0.75:0.25 h	P1 (0.75:0.25 h)
2	0.5:0.5 h	P2 (0.5:0.5 h)
3	0.25:0.75 h	P3 (0.25:0.75 h)