METHOD FOR PREPARING SELENIUM-CONTAINING PREPARATION OF SPIRULINA BIOMASS Russian patent published in 2003 - IPC

FIELD: biotechnology, microbiology, pharmacology. SUBSTANCE: method involves preparing Zaruch's nutrient medium for spirulina culturing by parts. To the first part of solution containing NaHCO₃,K₂HPO₄•3H₂O and Na₂CO₃ only at pH <10 selenium-containing preparation selenious acid (H₂SeO₃) is added. Then the first solution is mixed with the second solution containing the following all other components of Zaruch's medium: NaNO₃,K₂SO₄, MgSO₄,CaCl₂•2H₂O,FeSO₄•7H₂O Na₂-EDTA and trace elements also: . EFFECT: enhanced biological value of product. 2 cl, 3 dwg, 1 ex