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Rev. bras. farmacogn ; 28(2): 239-242, Mar.-Apr. 2018. tab, graf
Artículo en Inglés | LILACS | ID: biblio-1042262

RESUMEN

ABSTRACT Folium Eriobotryae, the dried leaves of loquat (Eriobotrya japonica, (Thunb.) Lindl., Rosaceae), is a traditional Chinese medicine used to treat cough with phlegm in China. Fallen and growing loquat leaves were tested for their effect on coughing and expectoration in mice. HPLC-ELSD and HPLC-MS analyses of aqueous and ethanol extracts of fallen or growing leaves were used to identify the chemical components responsible for this effect. Both the aqueous and ethanol extracts of growing and fallen leaves of loquat contained antitussive and expectorant activities. Moreover, an aqueous extract of growing loquat leaves with a higher flavonoid content displayed a stronger expectorant activity while the ethanol extract of fallen loquat leaves that contained a higher content of triterpenoid acids induced a stronger antitussive activity.

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