Sheylla Susan Moreira da Silva de Almeid

Phytochemical Screening of Leaves of Catharanthus roseus (L.)

Amanda Furtado de Almeida, Ryan da Silva Ramos & Sheylla Susan Moreira da Silva de Almeid · Chemical Science International Journal · 2016

Aims: To determine the major classes of secondary metabolites found in the leaves of Catharanthus roseus (L.). Study Design: The study aimed to determine the major classes of secondary metabolites of plant species Catharanthus roseus through technical and classical methodologies....

Open access Research Article 10.9734/ACSJ/2016/19227

Phytochemical Study, Microbiological Activity and Cytotoxicity of Leaves and Stem from Plant Species Mikania lindleyana DC

Wilkyson Alfaia Costa, Dionel Heleno de Souza Silva, Ryan da Silva Ramos, Edilson Leal da Cunha, Luís Roberto Takiyama & Sheylla Susan Moreira da Silva de Almeid · Chemical Science International Journal · 2015

Aims: The objective of this research was to study phytochemical, antimicrobial activity and cytotoxicity of crude ethanol extract of Mikania lindleyana leaves and stems. Study Design: Samples of plant species M. lindleyana were collected in the city of Belém, Pará State, Brazil....

Open access Research Article 10.9734/ACSJ/2016/18351