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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.
MedLine Citation:
PMID:  23122121     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
The occurrence of triterpene pentacyclic acids in plants is extensive, but little is known about their availability in commercial extracts. A simple GC-MS method for the simultaneous determination of betulinic, corosolic, maslinic, oleanolic and ursolic acids was developed and applied to 38 different commercial plant extracts sold as ingredients for dietary supplements. A suitable protocol was set up to perform routine control of a diverse array of samples with different botanical, chemical and physical characteristics. Remarkable quantities of corosolic acid were found in dried extracts from aerial parts of Lagerstroemia speciosa and Ortosiphon stamineus (14233 and 1132mg/kg, respectively), while oleanolic acid was abundant in O. stamineus and Crataegus monogyna flowers (2774 and 2339mg/kg); ursolic was identified in O. stamineus, C. monogyna, L. speciosa and Arctostaphylos uva-ursi leaves (7773, 4165, 2108 and 1034mg/kg). Only L. speciosa was rich in maslinic acid (4958mg/kg), while minor amounts of betulinic acid (257 and 80mg/kg) were detected in L. speciosa and C. monogyna extracts. Lower quantities of triterpenic acids were identified in dried extracts of Harpagophyton procumbens root, propolis, Punica granatum root, Styrax benzoin, Vaccinium myrtillus fruits and Vitis vinifera seeds. Decoctions and fluid extracts lacked or contained very low amounts of triterpenic acids. Results are discussed in terms of quality and safety of these ingredients.
Authors:
Augusta Caligiani; Giulia Malavasi; Gerardo Palla; Angela Marseglia; Massimiliano Tognolini; Renato Bruni
Publication Detail:
Type:  Journal Article     Date:  2012-08-16
Journal Detail:
Title:  Food chemistry     Volume:  136     ISSN:  0308-8146     ISO Abbreviation:  Food Chem     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2012-11-05     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7702639     Medline TA:  Food Chem     Country:  England    
Other Details:
Languages:  eng     Pagination:  735-41     Citation Subset:  IM    
Copyright Information:
Copyright © 2012 Elsevier Ltd. All rights reserved.
Affiliation:
Dipartimento di Scienze degli Alimenti, Università degli Studi di Parma, Viale G. Usberti 17A, 43124 Parma, Italy.
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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