School of Nano-Bioscience and Chemical Engineering, Ulsan National Institute of Science and Technology, Ulsan 689, Korea.
Molecules. 2011 Mar 10;16(3):2313-22. doi: 10.3390/molecules16032313.
This study was conducted to evaluate the calcium (Ca) absorption efficacy of king oyster mushroom (Pleurotus eryngii) grown on sawdust medium supplemented with Ca-sources, including oyster shell powder, and to determine the efficacy of oyster shell powder as a calcium supplement on growth, yield, spawn run and primordial formation of P. eryngii. Optimum calcination of oyster shell powder was achieved at the temperature of 620.56 °C. A 1% supplementation of oyster shell powder in sawdust medium did not suppress the mycelial growth of P. eryngii. Also the supplementation of 2% calcinated oyster shell powder to sawdust medium potentially increased the calcium content up to a level of 315.7 ± 15.7 mg/100 g in the fruiting body of P. eryngii, without extension of duration of spawn run and the retardation of the days to primordial formation. These results suggest that the shellfish by-products, including oyster shell powder, can be utilized to develop calcium enriched king oyster mushrooms.
本研究旨在评估在木屑培养基中添加钙源(包括牡蛎壳粉)栽培的牡蛎菇(Pleurotus eryngii)的钙吸收效果,并确定牡蛎壳粉作为钙补充剂对牡蛎菇生长、产量、种菌生长和原基形成的效果。牡蛎壳粉的最佳煅烧温度为 620.56°C。在木屑培养基中添加 1%的牡蛎壳粉不会抑制牡蛎菇的菌丝生长。此外,在木屑培养基中添加 2%的煅烧牡蛎壳粉可将牡蛎菇子实体中的钙含量提高到 315.7±15.7mg/100g,而不会延长种菌生长时间或延迟原基形成时间。这些结果表明,包括牡蛎壳粉在内的贝类副产品可用于开发富含钙的牡蛎菇。