Typically, the oleoresin of boswellia is reported to be composed of
  • Vegan: Derived from non-animal sources
  • Each digestive enzyme in the blend is food-grade, Non-GMO and gluten-free
  • Sesquiterpenoid essential oils (8 – 12%)
  • Polysaccharides (45 – 60%)
  • Higher terpenoids, including boswellic acids (25 – 35%)
The gum resin of B. serrata to contains
  • Monoterpenes (α-thujene)
  • Diterpenes (Macrocyclic diterpenoids such as incensole, incensole oxide, inoincencole oxide, a diterpene alcohol (serrtol))
  • Triterpenes (such as α- and β-amyrins)
  • Tetracyclic triterpenic acids (Tirucall-8, 24-dien-21-oic acids)
  • Pentacyclic triterpenic acids (Boswellic acids)
The four major pentacyclic triterpenoids identified in Boswellin® are
  • β-boswellic acid
  • Acetyl-β-boswellic acid
  • 11-keto-β-boswellic acid
  • Acetyl-11–keto–β-boswellic acid
β-boswellic acid
Acetyl-β-boswellic acid
11-keto-β-boswellic acid (KBA)
11-keto-β-boswellic acid (KBA)
Acetyl-11-keto-β-boswellic acid (AKBA)
Acetyl-11-keto-β-boswellic acid (AKBA)

Structures of the pentacyclic triterpenic acids in Boswellia serrata