Boswellia dry extract contains a sum of boswellic acids: pentacyclic triterpenoids with various functional groups at positions 3 and 11 carbon rings. Main boswellic acids: β-Boswellic acid, α-Boswellic acid, Acetyl-β-Boswellic acid, Acetyl-α-Boswellic acid, 11-Keto-β-Boswellic acid, Acetyl-11-β-Boswellic acid.