Poria contains polysaccharides, triterpenes and fatty acids, Pachymose(84.2%),and β-Poria polysaccharide (β-Pachyman),93% of the dry product. The triterpenoids include Pachymic acid, Tumuic acid, Granulic acid, Perforic acid, Songling acid, Songling new acid, etc. Fatty acids include caprylic acid and lauric acid.
Figure 1 is the Poria cocos extract.