Evaluation of the hydroalcoholic extract of Clarisia racemosa as an antiparasitic agent: an in vitro approach

Iranildo José da Cruz Filho, Denise Maria Figueiredo Araújo Duarte, Diego Santa Clara Marques, João Victor Ritinto da Rocha, Emily Gabriele Marques Diniz, Fábio André Brayner, Luiz Carlos Alves, Mônica Camelo Pessoa de Azevedo Albuquerque, André de Lima Aires, Fátima Nogueira, Maria do Carmo Alves de Lima

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Clarisia racemosa Ruiz & Pav is a neotropical species found in humid forests from southern Mexico to southern Brazil. There are few studies related to the ethnopharmacological use of C. racemosa. Our objective was to evaluate the hydroalcoholic extract of C. racemosa as a potential antiparasitic agent. For this, we performed in vitro assays against strains of Leishmania amazonensis, Trypanosoma cruzi, Plasmodium falciparum, and Schistosoma mansoni. At the same time, immunomodulatory activity tests were carried out. The results demonstrated that the extract was able to stimulate and activate immune cells. In preliminary antiparasitic tests, structural modifications were observed in the promastigote form of L. amazonensis and in adult worms of S. mansoni. The extract was able to inhibit the growth of trypomastigote form of T. cruzi and finally showed low antiparasitic activity against strains of P. falciparum. It is pioneering work and these results demonstrate that C. racemosa extract is a promising alternative and contributes to the arsenal of possible forms of treatment to combat parasites.

Original languageEnglish
Article number391
Number of pages15
Journal3 Biotech
Issue number12
Publication statusPublished - Dec 2023


  • Amazon forest
  • Antiparasitic agent
  • Clarisia racemosa
  • Natural products


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