Fig. 3From: Effect of sodium and calcium on polysaccharide production and the activities of enzymes involved in the polysaccharide synthesis of Lentinus edodesIPS and EPS content under different time periods Na+ (a), Ca2+ (b) and total polysaccharide (c). CK: control group no metal ions added; 0: metal ions added during inoculation; 1: metal ions added after 3 days of static culture; 2: metal ions added after shaking for 7 days; 3: static after shaking culture metal ions added after 10 daysBack to article page