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O gênero Croton e Aspectos Relevantes de Diterpenos Clerodanos | Revista Fitos

O gênero Croton e Aspectos Relevantes de Diterpenos Clerodanos

M. A. M. Maciel
J. K. P. C. Cortez
F. E. S. Gomes

Palavras-chave

Croton
Clerodanos
Química
Farmacologia
Croton cajucara
trans-Desidrocrotonina

Resumo

O gênero Croton (Euphorbiaceae) encontra-se amplamente distribuído em todo o mundo, com concentração significativa na África, Brasil e México. As espécies Croton zambesicus Muell Arg. (África), Croton lechleri Muell Arg. (EUA) e Croton tiglium Klotzsch (Ásia), lideram as pesquisas internacionais com documentação de 58 artigos publicados em periódicos indexados. Dentre as espécies nativas do Brasil, destacam-se o Croton cajucara Benth, Croton zehntneri Pax e Hoffm. e Croton sonderianus Müll Arg. por serem os mais representativos com 86 artigos publicados. O Croton cajucara representa a espécie mais estudada do gênero, perfazendo 60 publicações inseridas em um contexto científico multidisciplinar. A fonte mais abundante de diterpenos do tipo clerodano são plantas pertencentes ao gênero Teucrium (Labiatae). No entanto, os gêneros Ajuga, Scutellaria, Clerodendrum e Croton, representam também, uma fonte rica em clerodanos. As espécies Croton schiedeanus Schlecht, Croton sonderianus e Croton cajucara Benth são exemplos a serem citados, já que nestas espécies, a ocorrência de clerodanos é abundante. Atualmente, o diterpeno do tipo 19-nor-clerodano transdesidrocrotonina (DCTN) por ter sido correlacionado com grande parte das indicações tradicionais de Croton cajucara, é um dos mais representativos desta classe de diterpeno. O presente artigo enfoca aspectos relevantes sobre o gênero Croton e os diterpenos do tipo clerodano, com enfoque especial para os resultados quimiofarmacológicos obtidos para a espécie medicinal Croton cajucara.

 

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  • M. A. M. Maciel
    Universidade Federal do Rio Grande do Norte, Departamento de Química, Campus Universitário, 59072-970 Natal, RN, Brasil
  • J. K. P. C. Cortez
    Universidade Federal do Rio Grande do Norte, Departamento de Química, Campus Universitário, 59072-970 Natal, RN, Brasil
  • F. E. S. Gomes
    Universidade Federal do Rio Grande do Norte, Departamento de Química, Campus Universitário, 59072-970 Natal, RN, Brasil

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O gênero Croton e Aspectos Relevantes de Diterpenos Clerodanos. Rev Fitos [Internet]. 1º de dezembro de 2006 [citado 12º de novembro de 2024];2(03):54-73. Disponível em: https://revistafitos.far.fiocruz.br/index.php/revista-fitos/article/view/59
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