Moronic acid is 3-oxoolean-18-en-28-oic acid, a natural triterpene.[1][2] Moronic acid can be extracted from Rhus javanica, a sumac plant traditionally believed to hold medicinal applications.[2] The molecule has also been extracted from Mistletoe (Phoradendron reichenbachianum).[3]
^ ab (Apr 1999) "Anti-herpes simplex virus activity of moronic acid purified from Rhus javanica in vitro and in vivo". The Journal of Pharmacology and Experimental Therapeutics. PMID 10086989.
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(Jul 2001) "Cytotoxic activity of moronic acid and identification of the new triterpene 3,4-seco-olean-18-ene-3,28-dioic acid from Phoradendron reichenbachianum". Planta Medica. PMID 11488459.