Carnosic acid

Carnosic acid

Synonyms : Salvin; (4aR,10aS)-5,6-dihydroxy-1,1-dimethyl-7-propan-2-yl-2,3,4,9,10,10a-hexahydrophenanthrene-4a-carboxylic acid                     
CAS No.: 3650-09-7 
Mol. Formula : C20H28O4              
Mol. Weight :  332.43392
Botanical Source : Rosemary 
Catalogue No. : C08040
Purity : > 98%,99% by HPLC
Carnosic acid is a natural benzenediol abietane diterpene found in rosemary (Rosmarinus officinalis) and common sage (Salvia officinalis). Dried leaves of rosemary or sage contain 1.5 to 2.5% carnosic acid.
New research suggests carnosic acid (CA), the active ingredient in the herb rosemary, is neuroprotective, without producing the serious adverse effects characteristic of many agents used to treat neurodegenerative disease.

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