Enzymes

Claim 1

PROCESS OF PREPARING AN ENZYME IN SOLID, DRY, STABLE FORM FROM A WATER EXTRACT OF THE SAME, SAID ENZYME BEING STABLE ON PRECIPITATION AND BEING SELECTED FROM THE CLASS CONSISTING OF GLUCOSE OXIDASE, CATALASE, AMYLASE, AND MIXTURES OF GLUCOSE OXIDASE AND CATALASE, WHICH COMPRISES DISPERSING IN A WATER-MISCIBLE, VOLATILE ORGANIC SOLVENT AN INERT, WATER-SOLUBLE, SOLVENT-INSOLUBLE DILUENT TO FORM A DISPERSION OF SAID DILUENT IN THE SOLVENT, THEN CONTACTING THE DISPERSION WITH SAID WATER EXTRACT OF THE ENZYME TO PRODUCE A RESULTING LIQUOR IN WHICH SAID ENZYME PRECIPITATES AND IN WHICH SAID DILUENT IS SUBSTANTIALLY INSOLUBLE, SAID DILUENT BEING IN THE FORM OF SOLID PARTICLES IN THE LIQUOR AND SAID PRECIPITATE COATING AND ADHERING TO SAID PARTICLES, SAID SOLVENT BEING A LOW MOLECULAR WEIGHT ALIPHATIC OXYGEN-CONTAINING COMPOUND SELECTED FROM THE GROUP CONSISTING OF METHANOL, ETHANOL, ISOPROPANOL, ACETONE, AND DIOXANE, SAID DILUENT BEING A POLYSACCHARIDE HAVING MORE THAN FOUR MONOSACCHARIDE UNITS AND BEING SELECTED FROM THE GROUP CONSISTING OF SODIUM CARBOXYMETHYL CELLULOSE, SODIUM ALGINATE, AND CITRUS PECTIN, AGITATING SAID DISPERSION DURING SAID CONTACTING STEP, REMOVING THE PRECIPITATE-COATED DILUENT FROM THE LIQUOR AND DRYING THE SAME, RECOVERING AS PRODUCT AN INTIMATE MIXTURE OF FINELY DIVIDED, SOLID, DRY, STABLE DILUENT AND ENZYME, SAID MIXTURE (1) BEING FREE OF GUMMY, STICKY, AND LUMPY CHARACTERISTICS, (2) BEING HOMOGENEOUS SUCH THAT THE COMPONENTS THEREOF ARE MECHANICALLY INSEPARABLE AND ARE NON-STRATIFYING DURING HANDLING, TRASPORTATION, AND STORAGE, (3) HAVING A REPRODUCIBLE ENZYME POTENCY, AND (4) BEING SUITABLE FOR FOOD USE.