Production of cell culture concentrates

申请号 US3592740D 申请日 1968-03-28 公开(公告)号 US3592740A 公开(公告)日 1971-07-13
申请人 NILES LAB INC; 发明人 CHRISTENSEN VERLE WAYNE;
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.
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