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Microwave extraction and rapid isolation of arjunic acid from Terminalia arjuna (Roxb. ex DC.) stem bark and quantification of arjunic acid and arjunolic acid using HPLC-PDA technique.
MedLine Citation:
PMID:  22761141     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Arjunic acid and arjunolic acid are main bioactive components of Terminalia arjuna stem bark and reported for various biological activities. In this study, microwave-assisted extraction (MAE) of arjunic and arjunolic acid from stem bark of T. arjuna was investigated with developed and validated HPLC-PDA method, which resulted in the isolation of a novel anticancer molecule i.e. arjunic acid. Effects of several experimental parameters, such as type and volume of extraction solvents, microwave power, microwave extraction time, on the extraction efficiencies of arjunic, and arjunolic acid from stem bark of T. arjuna were evaluated. The optimal extraction conditions identified were 5.0 g quantity of stem bark powder, 20 mL of ethyl acetate, preleaching time 10 min, microwave power 600 W, temperature 65°C, and microwave irradiation time 5 min. The results showed that MAE is a more rapid extraction method with higher yield and lower solvent consumptions than reported methods. The HPLC-PDA analysis method was developed and validated to have good linearity, precision, sensitivity, and accuracy. MAE-HPLC-PDA is a faster, convenient, and appropriate method for isolation and determination of arjunic acid and arjunolic acid in the stem bark of T. arjuna.
Authors:
Subash Chandra Verma; Chhoten Lal Jain; Madan Mohan Padhi; Ramesh Babu Devalla
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of separation science     Volume:  35     ISSN:  1615-9314     ISO Abbreviation:  J Sep Sci     Publication Date:  2012 Jul 
Date Detail:
Created Date:  2012-07-04     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101088554     Medline TA:  J Sep Sci     Country:  Germany    
Other Details:
Languages:  eng     Pagination:  1627-33     Citation Subset:  IM    
Copyright Information:
© 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
Affiliation:
Central Council for Research in Ayurvedic Sciences, Janakpuri, New Delhi, India.
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