The wide industrial cultivation of Pleurotus eryngii (P. eryngii) has resulted in the massive production of mushroom residues (MR) with low-efficiency utilization. In the present study, the P. eryngii enzymatic residue polysaccharide (PERP) was obtained from the P. eryngii residues. The characterization analysis showed that PERP was polysaccharides comprised of five kinds of monosaccharides with molecular weight of 2.05 × 103 Da. PERP also showed rough surface and appeared as spherical structure dispersed in aqueous solution. The animal experiment analysis demonstrated that PERP exhibited potential anti-ageing effects on the brain, liver, kidney and skin, possibly by scavenging reactive radicals, improving the antioxidant status, supressing lipid peroxidation, enhancing organ functions and ameliorating histopathological damage. These results may provide a reference for the efficient utilization of P. eryngii residues in exploring MR-derived functional foods or drugs that delay the ageing process.

译文

杏鲍菇 (P. eryngii) 的广泛工业种植导致了低效率利用的蘑菇残渣 (MR) 的大量生产。在本研究中,从P. eryngii残基中获得了P. eryngii酶促残基多糖 (PERP)。表征分析表明,PERP是由5种单糖组成的多糖,分子量为2.05 × 103 Da。PERP还显示出粗糙的表面,并以分散在水溶液中的球形结构出现。动物实验分析表明,PERP可能通过清除反应性自由基,改善抗氧化状态,抑制脂质过氧化,增强器官功能,改善组织病理学损伤,对脑、肝、肾和皮肤具有潜在的抗衰老作用。这些结果可为有效利用eryngii残留探索MR衍生的功能性食品或延缓衰老过程的药物提供参考。

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