Author(s): J. A. Olusola*, S. A. Adeduntan, V. O. Oyerinde and O. S. Oloniyo

Affiliation: *Department of Forestry Technology, Federal College of Agriculture, Akure, Nigeria

Abstract: The use of mushrooms as food is as old as civilization and the cultivation of edible mushrooms currently has greater importance in the diet of mankind. This research was undertaken with the aim of determining the influence of sorghum substrate on proximate and phytochemical quality of Pleurotus florida. It was cultivated using wood species; Gmelina arborea and Ceiba pentandra mixed with sorghum. The matured mushroom was harvested fresh, pulverized and analyzed according to standard procedures. The proximate quality in terms of ash, moisture, fibre, fat and protein content and the phytochemical factors such as oxalate, phytate, alkaloid and tannin were also examined. The result shows that ash content and moisture content are not significant (P >0.05) in Pleurotus florida grown on Gmelina arborea substrates cultured with sorghum while protein, fibre and fat contents are significantly different at (P <0.05). But theresult of ash content, fibre content and fat contents are significant at (P <0.05) in Pleurotus florida grown on Ceiba pentandra substrates cultured with sorghum while moisture and protein content are not significant (P >0.05). The result of phytochemical revealed that oxalate, alkaloid and tannin are significant on Pleurotus florida grown on Gmelina arborea cultured with sorghum where phytate shows no significant difference. But there are also significant differences in phytate, alkaloid and tannin grown on Ceiba pentandra cultured with sorghum. These results, therefore, make these mushrooms popular to consume as good food sources and for other purposes

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