Screening of protease-producing microscopic fungi growing on nutrient media similar to natural substrates.
2023
Microscopic fungal cultures were isolated from spoiled milk products obtained out of the following products: milk, sour cream, cottage cheese, and yoghurt, in various soil-climatic regions of Georgia. Among the screened fungal cultures, three protease-producing strains were identified: Mucor spp. 2- 3, Penicillium candidum 5-1 and Penicillium camemberti 7-5. As a result of research, the nutrient medium similar to the natural substrate was selected – with the content of lactose, casein and potassium phosphate. Among the cultures, Penicillium candidum 5-1 exhibited the highest protease production under submerged cultivation conditions. Tab. 2, Fig. 7, Ref. 12.
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