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    • 4. 发明专利
    • PRODUCTION OF PRUNE EXTRACT
    • JPS61199756A
    • 1986-09-04
    • JP4058885
    • 1985-03-01
    • SANKI SHOJI CO LTD
    • OTSU YOSHIRO
    • A23L19/00
    • PURPOSE:To obtain a prune extract having excellent taste, by drying raw fruit of prune, extracting the extractable component, and subjecting to the adsorption treatment with an adsorbent such as activated carbon before, during or after the concentration of the extracted component, thereby removing the bitter taste, astringent taste and excessive acid taste, etc., therefrom. CONSTITUTION:The raw fruit of prune is dried, heated in the presence of water to extract the prune extract, and centrifuged to separate the supernatant liquid. The liquid is subjected to the adsorption treatment by adding a sufficiently heated and dried adsorbent such as activated carbon, etc., thereto before, during or after the concentration of the liquid under reduced pressure. The concentrate is filtered to separate the adsorbent and obtain the objective prune extract. As an alternative method, the prune extract can be produced by passing the extract liquid through a column packed with the adsorbent.