Fig. 3
Effect of varying pH levels on ulvan production in Ulva lactauca using a one factor at a time (OFAT) approach with (Temperature 120 ℃, Time:50 min, alga: water ratio, 1:20 kept constant). Yield per 1 g of dry alga increased from 0.091 at pH 1.5 to 0.221 at pH 4.5.
