Euteco Impianti S.p.a.

Societa' Italiana Resine S.p.a.

Aldo Zotti

Giuliano Cardini

Continuous process for the cultivation of yeast cells under aerobic conditions in an aqueous growth medium, to which an aqueous nutrient medium comprising a source of assimilable nitrogen and methanol of a source of assimilable carbon is continuously added. The yeast belongs to the species Candida boidinii and the nutrient medium comprises a primary source of assimilable nitrogen consisting of urea and a secondary source of assimilable nitrogen chosen from ammonia, ammonium hydroxide and ammonium salts, the ratio between nitrogen in the primary source and that in the secondary source being from 2:1 to 1:20.

Process for the cultivation of yeast cells

Process for the production of microorganism lysates, comprising subjecting the said microorganisms suspended in water to thermal shock produced by a spray-drying treatment and then subjecting the product resulting from spray drying to autolysis.

Growing community of inventors

Milan, Italy

Aldo Zotti