Lignocellulosic Waste Degradation Potential of Some Cellulolytic Fungal Strains Isolated from Putrid Fruits
2020
H.A. Akinyele | A.A.T. Taliat | G.C. Enwerem | O.G. Dawodu | O.S. Owojuyigbe
Fungi are plentiful in nature and they are found growing on wastes of wood materials. These wastes are equally found in our environment with no usefulness. The aim of this study was to exploit the probability of the isolated fungi from fruits to produce cellulase from wastes of lignocellulosic materials. Cellulase- producing fungi were isolated from fruits (tomato, banana, plantain). The organisms were screened for cellulase production. Culture conditions were optimized with pH, temperature and carbon. Cellulase was produced using lignocellulosic wastes; sawdust, corn cob, sugarcane bagasse. Six cellulase producers were isolated, four of which were selected for synthesis and quantification of the cellulase. The fungi were identified as Saccharomyces cerevisiae4, Trichoderma species1 and Scopulariopsis brevicaulis1. Of all the tested substrates used in this study, pretreated sugarcane bagasse at 3% w/v concentration with Scopulariopsis brevicaulis gave highest cellulase production 18.18 U/mL at 40°C, 5day incubation time and pH 5, followed by Trichoderma with 12.39 U/mL. These fungi are good potentials cellulase producers that can be considered at industrial level.
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