Efeitos farmacológicos e toxicidade das plantas do gênero Marsdenia. Uma Revisão

Severino Antonio Geraldo Neto, Marília Martins Melo, Benito Soto-Blanco

Resumo


As plantas do gênero Marsdenia, família Apocynaceae (Asclepiadoideae), apresentam distribuição mundial, embora se encontre predominantemente nas regiões tropicais. Diversas espécies de Marsdenia são usadas na medicina tradicional asiática para o tratamento de dores reumáticas, inflamação, asma, sífilis e câncer. Vários estudos fitoquímicos mostraram que elas contêm glicosídeos esteroides, principalmente derivados de pregnano, mas também alcaloides esteroides, triterpenos e conduritoles. No entanto, casos espontâneos de intoxicação ocorreram em diversas espécies animais, e podem ocorrer em humanos. Assim, as plantas do gênero Marsdenia apresentam enorme potencial para descoberta de novos compostos para uso como medicamentos.


Palavras-chave


Apocynaceae; Asclepiadoideade; fitoquímica; plantas medicinais; plantas tóxicas

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