Faculty of Biotechnology, University of Agronomic Sciences and Veterinary Medicine of Bucharest, 59 Marasti Street, Bucharest 011464, Romania.
Nat Prod Res. 2013;27(12):1115-8. doi: 10.1080/14786419.2012.704376. Epub 2012 Jul 12.
The antioxidant activity of the exopolysaccharides (EPS) and intracellular polysaccharides (IPS) obtained from the mycelia obtained by submerged culture of two edible Pleurotus ostreatus strains, PQMZ91109 and PSI101109 in a batch bioreactor was determined. EPS and IPS showed significant antioxidant activities (in vitro) especially in the scavenging effect on the DPPH and ABTS radicals, reducing power and chelating effect on ferrous ions. The tests proved the differences between the two mushrooms, concerning the biological activity of polysaccharides. The data sustain that P. ostreatus polysaccharides are natural antioxidant for pharmaceutical and food industries, particularly PSI101109.
采用分批式生物反应器对两种可食用的糙皮侧耳菌株 PQMZ91109 和 PSI101109 的菌丝体进行液体深层发酵，得到胞外多糖（EPS）和胞内多糖（IPS），并测定其抗氧化活性。EPS 和 IPS 表现出显著的抗氧化活性（体外），特别是对 DPPH 和 ABTS 自由基的清除作用、还原能力和对亚铁离子的螯合作用。这些试验证明了这两种蘑菇在多糖生物活性方面存在差异。这些数据支持糙皮侧耳多糖是制药和食品工业的天然抗氧化剂，特别是 PSI101109。
