Abstract
Two extractable polysaccharides of Ac-MPS and Al-MPS were extracted from the mycelium of Agrocybe aegerita (Brig.) Sing and the in vitro antioxidant activities and in vivo anti-aging activities in a d-gal-induced aging mice were investigated in the present study. The in vitro antioxidant analysis showed that Ac-MPS showed superior scavenging effects on hydroxyl of 68.62±2.59% and DPPH of 85.19±3.26% at the concentration of 4500μg/mL. Biochemical indices and antioxidant analysis in vivo showed that Ac-MPS had better effects in raising hepatic activities of SOD, CAT, GPx and T-AOC, inhibiting hepatic contents of LPO and MDA, as well as improving serum lipid levels of LDL-C, HDL-C, LDL-C/HDL-C, TG and TC. Furthermore, HYP measurements suggested that skin collagen in aging mice could be maintained. This study suggested that both Ac-MPS and Al-MPS could be used as potential natural agents or dietary supplements in attenuating aging and its complications.
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