EXTRACT OF MEDICINAL HERBS FOR PREVENTING OR HEALING RHEUMATOID ARTHRITIS AND METHOD OF PREPARING THE SAME

摘要

The present invention relates to a medicinal herb extract for preventing or treating rheumatoid arthritis and a method for producing same. The method includes the steps of: (a) extracting the medicinal herbs with hot water by boiling the medicinal herbs including Angelica koreana, Atractylodes, Aralia contientalis Paeonia lactiflora, Sinomenium acutum, Clematis florida, Angelica, Poria cocos, Alismataceae, Akebia, Citrus unshiu, Chaenomeles sinensis, Phellodendron amurens, licorice, Juncus effusus, Gleditsia japonica, Lonicera japonica, and Taraxacum mongolicum in water; (b) centrifuging the extract extracted in step (a); concentrating a supernatant of the centrifuged product obtained in step (b); and (c) freeze-drying the concentrated product obtained in step (c). The medicinal herb extract of the present invention can inhibit growth of synovial cells. Moreover, the medicinal herb extract reduces inflammatory cytokines and/or a nitric oxide product, and thus can be effectively used for treating rheumatoid arthritis.