Caligiani, Augusta <br/><br/>
A simple GC-MS method for the screening of betulinic, corosolic, maslinic, oleanolic and ursolic acid contents in commercial botanicals used as food supplement ingredients.  [electronic resource] 

 -  Food chemistry  Jan 2013 
 - 735-41 p.  digital 
<br/><br/> Publication Type: Evaluation Study; Journal Article 
<br/><br/><label>ISSN: </label>1873-7072 
<br/><br/><label>Standard No.: </label>10.1016/j.foodchem.2012.08.011  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Dietary Supplements--analysis<br/>Gas Chromatography-Mass Spectrometry--methods<br/>Oleanolic Acid--analysis<br/>Pentacyclic Triterpenes<br/>Plant Extracts--analysis<br/>Plants--chemistry<br/>Triterpenes--analysis<br/>Betulinic Acid<br/>Ursolic Acid