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Kalanchosine dimalate, an anti-inflammatory salt from Kalanchoe brasiliensis
Sônia Soares Costa1, Maria de Lourdes Mendes de Souza, Tereza Ibrahim
1Núcleo de Pesquisas de Produtos Naturais, Universidade Federal do Rio de Janeiro, 21 941-590 Rio de Janeiro, RJ, Brazil. sscosta@nppn.ufrj.br
Abstract:
This report describes the isolation and characterization of kalanchosine dimalate (KMC), an anti-inflammatory salt from the fresh juice of the aerial parts of Kalanchoe brasiliensis. KMC comprises the new metabolite kalanchosine (1) and malic acid (2) in a 1:2 stoichiometric ratio. Kalanchosine (1), 3,6-diamino-4,5-dihydroxyoctanedioic acid, is the first naturally occurring dimeric bis(gamma-hydroxy-beta-amino acid) and is at least partially responsible for the anti-inflammatory properties of K. brasiliensis.
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