Figure 2From: Combining phospholipases and a liquid lipase for one-step biodiesel production using crude oilsDissolving effect of methanol on oil gums. (1) Soybean oil (raw material); (2) soybean oil with 1.5 eqs MeOH; (3) soybean oil acid degummed; and (4) soybean oil acid degummed with 1.5 eqs MeOH. Image obtained after 24 h incubation at 35°C, 250 rpm agitation, and centrifugation at 2,000 rpm for 5 min.Back to article page