LYTIC ENZYMES OF  TRICHODERMA  AND ITS UTILIZATION IN YEAST PROTOPLAST FORMATION.

Trichoderma horzianum T-33 and Trichoderma hamatum c-1 are able to produce extracellular β-1,3- glucanases, chitanases, and cellulases in the shaked cultures, in the base medium enriched with mycelium (postcultural) or fodder yeast and supplemented with Avicel cellulose. The addition of fodder yeast (6%) and mycelium (6%) to the base medium induced more effective production of β-1,3-glucanases than the addition of lactose (22%). The production of chitanases and cellulases was the most successful in the medium enriched with mycelium. The enzymatic preparations from T. harzianum T-33 or T. hamatum C-1 (obtained after ethanol precipitation) were used for Yarrowia lipolytica ATCC 20461 protoplast formation (57.5% or 74.5% after 4h, respectively).

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PRODUCTION OF CELLULASES DURING CITRIC ACID BIOSYNTHESIS BY SOLID-STATE FERMENTATION.

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eISSN:	2083-6007
ISSN:	1230-0322

W latach 2022-2024 kwartalnik naukowy Polish Journal of Food and Nutrition Sciences realizuje projekt nr RCN/SP/0520/2021/1 finansowany ze środków budżetu państwa – Ministerstwo Edukacji i Nauki w ramach programu „Rozwój czasopism naukowych”. Dofinansowanie wynosi 120 000 zł. W ramach projektu podejmowane są działania zmierzające do podniesienia poziomu praktyk wydawniczych i edytorskich, zwiększenia wpływu czasopism na rozwój nauki oraz utrzymania się czasopism w międzynarodowym obiegu naukowym.

In the years 2022-2024, the scientific quarterly Polish Journal of Food and Nutrition Sciences accomplishes a project no. RCN/SP/0520/2021/1 financed from the state budged – Ministry of Education and Science Republic of Poland in the framework of a program “Development of scientific journals”. The financing amounts to 120,000 PLN. The program aims at improving the level of publishing and editing practices, increasing the impact of scientific journals on science development, and extending the international range of scientific journals.