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Determination of Oleanolic and Ursolic Acids in Hedyotis diffusa Using Hyphenated Ultrasound-Assisted Supercritical Carbon Dioxide Extraction and Chromatography

Oleanolic acid (OA) and ursolic acid (UA) were extracted from Hedyotis diffusa using a hyphenated procedure of ultrasound-assisted and supercritical carbon dioxide (HSC–CO(2)) extraction at different temperatures, pressures, cosolvent percentages, and SC–CO(2) flow rates. The results indicated that...

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Detalles Bibliográficos
Autores principales:	Wei, Ming-Chi, Yang, Yu-Chiao, Hong, Show-Jen
Formato:	Online Artículo Texto
Lenguaje:	English
Publicado:	Hindawi Publishing Corporation 2015
Materias:	Research Article
Acceso en línea:	https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4451576/ https://www.ncbi.nlm.nih.gov/pubmed/26089939 http://dx.doi.org/10.1155/2015/450547

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