September 2015

Isoliquiritigenin and β-sitosterol from Cissus polyantha Tuber Glig and Brandt

Chemical investigation into the composition of Cissus polyantha tuber, a plant used in Northern Nigerian ethno medicine for managing inflammatory conditions and conjunctivitis has led to the isolation of a chalcone from the ethyl acetate and a steroid from the hexane soluble fractions of its methanol extract. The structures of these compounds were elucidated by extensive analysis of their spectroscopic data, including 1...

Author(s): Y. M. Sani, A. M. Musa, N. Tajuddeen, S. M. Abdullahi, M. I. Abdullahi, U. U. Pateh and A. Y. Idris

September 2015

Chemical composition, antimicrobial and anti-acetylcholinesterase activities of essential oil from Lantana camara (Verbenaceae) flowers

Lantana camara L. is considered a weed, but is used in agriculture and traditional medicine due to its different pharmacological effects. The objective of this study was to determine the chemical composition and the bioactivity of essential oil from L. camara flowers collected in Boa Vista, Roraima, Brazil. Essential oil was obtained using a Clevenger type apparatus. The oil obtained was analyzed by gas chromatography...

Author(s): Ricardo Carvalho dos Santos, Antonio Alves de Melo Filho, Edvan Alves Chagas, Jacqueline Aparecida Takahashi, Vany Perpetua Ferraz, Ismael Montero Fernández, Pedro Romulo Estevam Ribeiro, Ana Cristina Gonçalves Reis de Melo and Luciana Chaves Holanda

September 2015

In vitro evaluation of antidiabetic and antioxidant activity of Seabuckthorn (Hippophae rhamnoides L.) leaves

Seabuckthorn (Hippophae rhamnoides L.) is thorny nitrogen fixing deciduous shrub native to Asia and Europe. The present study was undertaken to evaluate the antidiabetic and antioxidant effect of two different extracts, namely, methanolic and aqueous of seabuckthorn (H. rhamnoides L.) leaves by in vitro assays. Seabuckthorn leaves were procured from Lahul area of H.P. Leaves were dried and subjected to methanolic and...

Author(s): Pallavi Bhardwaj, Chandresh Varshneya, Kanika Kaistha and Tammana Tandon