Phelinus linteus only grows in live mulberry, growth is slow, texture hard as wood, top exterior black with bright yellow color underneath. Natural produce is rare, cultivation in large quantities, making it commercially available cannot be realized, due lack of technical know-how. However, of late, the medicinal properties of Phellinus linteus has drawn attention of many Physicians and Scientists alike worldwide. The Korean Gov’t has even included Phellinus linteus as one of the anti-cancer dose in its medical pharmacy. In Japan they treat Phellinus linteus as best anticancer health food of tomorrow.