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Planta Med. 2006 Jan;72(1):81-3.

Quercitrin: an antileishmanial flavonoid glycoside from Kalanchoe pinnata.

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  • 1NĂșcleo de Pesquisas de Produtos Naturais, , Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.


Quercitrin (quercetin 3- O-alpha- L-rhamnopyranoside), one of the constituents of the biologically active aqueous extract obtained from Kalanchoe pinnata, is demonstrated to be a potent antileishmanial compound (IC50 approximately 1 microg/mL) with a low toxicity profile. This is the first time that antileishmanial activity is demonstrated for a flavonoid glycoside.

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