Process for recovering fermentation estrogenic substance
    18.
    发明授权
    Process for recovering fermentation estrogenic substance 失效
    恢复发酵ESTROGENIC物质的方法

    公开(公告)号:US3580929A

    公开(公告)日:1971-05-25

    申请号:US3580929D

    申请日:1968-04-16

    CPC classification number: C07D313/00 C12P17/08 Y10S435/803 Y10S435/911

    Abstract: A PROCESS FOR THE RECOVERY OF A FERMENTATION PRODUCT FROM A POROUS SUBSTRATE SUCH AS RECOVERY OF THE ANABOLIC AND ESTROGENIC SUBSTANCE KNOWN AT F.E.S., IDENTIFIED IN U.S. PAT. NO. 3,196,019, PRODUCED BY CULTIVATION OF THE MICROOGANISM GIBBERELLA ZEAE (GORDON) ON A POROUS SUBSTRATE, ESPECIALLY FROM A SYNTHETIC FERMENTATION MEDIUM WHICH INCLUDES EXFOLIATED VERMICULITE AS A SUPPORT FOR THE MICROORGANISM AND A NUTRIENT PRODUCTION MEDIUM INCLUDING SUGAR AS THE CARBOHYDRATE SOURCE AND ADDED MINERALS DESIRED FOR PROPER GROWTH OF THE MICROORGANISM. IN THIS RECOVERY PROCESS THE POROUS SUBSTRATE OR FERMENTATION CAKE IS CRUSHED AND SLURRIED WITH AN AQUEOUS ALKALINE SOLUTION TO DISSOLVE THE NORMALLY WATER-INSOLUBLE F.E.S. THE SOLUTION IS THEN FILTERED AND ACIDIFIED TO PRECIPITATE THE F.E.S. WHICH IS RECOVERED. THE SOLUTION IS HEATED PRIOR TO OR DURING ACIDIFICATION TO INSURE THE PRODUCTION OF EASILY FILTERABLE F.E.S. CRYSTALS.

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