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Molecules 2011, 16(3), 2313-2322; doi:10.3390/molecules16032313

Effect of Calcinated Oyster Shell Powder on Growth, Yield, Spawn Run, and Primordial Formation of King Oyster Mushroom (Pleurotus Eryngii)

1
School of Nano-Bioscience and Chemical Engineering, Ulsan National Institute of Science and Technology, Ulsan 689, Korea
2
Department of Food Science and Biotechnology, Kangwon National University, Chuncheon 200, Korea
3
Institute of Korea Food Research, Seongnam, Kyonggi 463, Korea
*
Authors to whom correspondence should be addressed.
Received: 18 January 2011 / Revised: 26 February 2011 / Accepted: 9 March 2011 / Published: 10 March 2011
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Abstract

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.
Keywords: Pleurotus eryngii; fruiting body; calcinated oyster shell powder; sawdust culture media Pleurotus eryngii; fruiting body; calcinated oyster shell powder; sawdust culture media
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Choi, U.-K.; Lee, O.-H.; Kim, Y.-C. Effect of Calcinated Oyster Shell Powder on Growth, Yield, Spawn Run, and Primordial Formation of King Oyster Mushroom (Pleurotus Eryngii). Molecules 2011, 16, 2313-2322.

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