Growth Kinetic Study on Lyophilized and Cryopreserved Pleurotus sajor-caju Spawn

Abstract:

A study was conducted to determine the most optimal preservation technique for P. sajor-caju spawns which produce maximum specific growth rate and shortest doubling time by using contois kinetic model. The analyzed experimental data showed that lyophilized P. sajor-caju spawn showed the highest maximum specific growth rate, and shortest doubling time compared to cryopreserved P. sajor-caju spawn and 4oC stored P. spawn. There was no significant difference in aspect of growth rate between the lyophilization and cryopreservation techniques which were; 0.148 (μ_max)/ (g/day) and 0.147(μ_max)/ (g/day) respectively. Based on the result, lyophilization technique was considered as the best preservation technique for preserving P. sajor-caju spawn due to high maximum growth rate which indicates high survival after exposure to preservation treatment.

• Periodical: Applied Mechanics and Materials (Volumes 754-755)
• Pages: 1076-1080
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.754-755.1076
• Online since: April 2015
• Authors: Sharul Aida Mohd Shayuti*, Shi Fern Chong, Zarina Zakaria, Dachyar Arbain, Noorulnajwa Diyana Yaacob
• Keywords: Contois Kinetic Model, Cryopreservation, Growth Kinetic, Lyophilization, Pleurotus sajor-caju Spawn

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