抄録
Four kinds of cellulolytic strains of fungi were isolated for the purpose of cellulose biodegradation. Among them, Aspergillus sp. No. 81 could degrade more than 86% of Solka Floc added as the substrate within three days' cultivation. At the same time, the conversion rate to insoluble nitrogen from soluble nitrogen reached above 30% based on the initial amount of soluble nitrogen in liquid medium. From the values of insoluble nitrogen formed, the protein productivity by isolated Aspergillus sp. No. 81 was estimated to be 2-2.5g protein per 100g cellulose per day.
