Figure 1From: Brazilin isolated from Caesalpinia sappan L. inhibits rheumatoid arthritis activity in a type-II collagen induced arthritis mouse modelSchematic diagram illustrating the sequential purification of brazilin (7,11b-dihydrobenz [b] indeno [1,2-d] pyran-3,6a,9,10(6H)-tetrol) from methanol extract of Caesalpinia sappan L. The chemical structure of brazilin is shown below.Back to article page