From Boswellia serrata Roxb

R.S. Pardhy, S.C. Bhattacharyya, P Boswellic acid, acetyl P boswellic acid, acetyl 11 keto P boswellic acid and 11 keto P boswellic acid, four pentacyclic triterpene acids from the resin of Boswellia serrata Roxb, Indian Journal of Chemistry, 16B, 176 178 (1978). 

Boswelic acids are pentacyclic triterpenoids isolated from gum resin secreted by trees of Boswellia serrata Roxb. (Burseraceae). P-Boswelic acid... 

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