Rhizopus oligosporus grown on natural rubber waste serum for production of single cell protein: a preliminary study.

Maximum production of mycelium and utilization of total organic carbon byR. oligosporus grown on natural rubber waste serum was achieved at 28°C with an inoculum size of 7.5% (v/v) and grown for 144 h with an initial pH of 4.0. The maximum production of total crude protein, however, was when culture medium was inoculated with 2% (v/v) of spore suspension under the same conditions. Natural rubber waste serum may be a potential substrate for the production of single cell protein.