The fungal pigments are a good alternative to currently used synthetic colourants and / or natural colourants derived from plant materials. The aim of the present study was to investigate the feasibility of cassava processing waste as a substrate for production of pigments by Penicillium Purpurogenum in solid state fermentation (SSF). A pigment yield of 40.13 Colour Value Units (CVU) / g of dry fermented substrate was achieved by using cassava processing waste with optimized process parameters such as 50 % initial moisture content, inoculation with 4.0 ml of spores (25×10 5 spores) / gram of dry substrate and an incubation period of 15 days with 1 % peptone at 30°C,. Thus, utilization of cassava processing waste for red pigment production in this study could provide the most effective use of natural resources and lead to technology development for further cost reduction
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