Method of extracting caffeic acid and rosemarinic acid from rosemary

    公开(公告)号:US20220143120A1

    公开(公告)日:2022-05-12

    申请号:US17599247

    申请日:2020-08-10

    申请人: UCL CO. LTD.

    摘要: The present disclosure relates to a method for extracting caffeic acid and rosmarinic acid from Rosmarinus officinalis L., and more particularly, to a method for extracting caffeic acid and rosmarinic acid from Rosmarinus officinalis L., the method comprising the steps of: (S1) preparing an extraction apparatus including an extractor for passing a solution contained in a main body unit through a filtration membrane to obtain a filtered solution, and dropping the filtered solution to the lower outside through a dropping unit connected to a lower portion of the main body unit, and a receiver located in the lower part of the extractor to collect the filtered solution that is dropped from the dropping unit; (S2) putting dried Rosmarinus officinalis L. into the main body unit, and adding a solvent to the main body unit to immerse the dried Rosmarinus officinalis L. at room temperature; and (S3) dropping a solution in which the dried Rosmarinus officinalis L. has been immersed from the dropping unit to the receiver.