摘要 |
NOVEL CELL CULTURE CONCENTRATES HAVING IMPROVED ACTIVITY CAN BE PREPARED BY A PROCESS OF INOCULATING A LIQUID BUFFERED MILK-CONTAINING CULTURE MEDIUM WITH AN APPROPRIATE LACTIC ACID-PRODUCING BACTERIAL CULTURE, INCUBATING SAID INOCULATED MEDIUM TO GROW BACTERIAL CULTURE CELLS THEREIN UNTIL A DESIRED PH LEVEL IS ATTAINED, ADDING ALKALINE MATERIAL TO RAISE THE MEDIUM PH TO A DESIRED LEVEL, COOLING THE MEDIUM AND SEPARATING THE BACTERIAL CULTURE CELLS FROM THE LIQUID PROTION OF THE CULTURE MEDIUM TO FORM A CELL CULTURE CONCENTRATE. |