Tamizaje fitoquímico del Malvaviscus penduliflorus que crece en Cuba / Phytochemical screening of Malvaviscus penduliflorus growing in Cuba

Las flores de la especie Malvaviscus penduliflorus Cav, conocida popularmente en Cuba como pasiflora, se emplean como sedante en forma de decocción. Hasta el momento, sin embargo, no ha sido publicado ningún estudio sobre su composición química. OBJETIVO: realizar un tamizaje fitoquímico de los extractos acuosos de las flores y hojas de la especie M penduliflorus. MÉTODOS: se recolectaron las hojas y las flores frescas, se lavaron, desinfectaron y extrajeron a reflujo con agua (1:10) durante 2 h, de forma independiente. Los extractos se filtraron y se les hicieron las pruebas fitoquímicas de identificación. RESULTADOS: entre los grupos de compuestos identificados en los 2 extractos se encontraron saponinas, azúcares, alcaloides y flavonoides. Teniendo en cuenta la presencia de compuestos como flavonoides y alcaloides en las partes aéreas del M penduliflorus, así como los efectos farmacológicos reportados para extractos de esta especie, sería interesante realizar nuevos estudios que aporten evidencias sobre su eficacia y seguridad, como forma de avalar sus usos tradicionales

The Malvaviscus penduliflorus Cav species flowers popularly known in Cuba as pasiflora are used as sedative in the brew form. Until now, however, there isn't any study on its chemical composition. OBJECTIVE: to perform a phytochemical screening of aqueous extracts from the flowers and leaves of M. penduliflorus species. METHODS: the dry fresh leaves and flowers were washed, disinfected to extract with water reflow (1:10) during 2 h in an independent way. Extracts were filtered and underwent the phytochemical identification tests. RESULTS: among the compounds identified in the two groups were included the saponines, sugars, alkaloids and flavonoids. Taking into account the presence of compounds like the flavonoids and the alkaloids in aerial parts of M penduliflorus, as well as the pharmacological effects reported for the extracts of this species, it will be interesting to perform new studies providing evidences on its effectiveness and safety, as a way to assess its traditional uses

Atividade antimicrobiana, antiaderente e antifúngica in vitro de plantas medicinais brasileiras sobre microrganismos do biofilme dental e cepas do gênero Candida / In vitro antimicrobial, antiadherent and antifungal activity of Brazilian medicinal plants on oral biofilm microorganisms and strains of the genus Candida

Avaliou-se in vitro a atividade antimicrobiana, antifúngica e antiaderente da aroeira-do-sertão, malva e goiabeira sobre microrganismos do biofilme dental e candidose oral. Os extratos mostraram-se eficazes, inibindo o crescimento das bactérias do biofilme dental e fungos da candidose oral, sugerindo a utilização dessas plantas como meio alternativo na terapêutica odontológica.

The antimicrobial, antifungal and antiadherent activity of aroeira-do-sertão, mallow and guava tree on oral biofilm microorganisms and oral candidiasis was evaluated in vitro. The extracts were shown to be effective in inhibiting the growth of bacteria of the oral biofilm and fungi of oral candidiasis, thus suggesting that these extracts can be used as alternative means of dental therapy.