October 2014

Influence of plant age on the content and composition of essential oil of Cymbopogon citratus (DC.) Stapf.

An experiment was carried out in Viçosa, Brazil to evaluate the influence of plant age (3, 6, 9 and 12 months) on the content and chemical composition of essential oils from lemon grass, using a completely randomized design with three replications. The plants were harvested between 7:00 and 8:30 a.m, and harvesting cut made at 20 cm height from the base of the leaf. The collected material was immediately taken to...

Author(s): Ronicely Pereira Rocha, Evandro de Castro Melo, Luiz Cláudio Almeida Barbosa, Ricardo Henrique Silva dos Santos, Paulo Roberto Cecon, Rivanildo Dallacort and Adalberto Santi  

October 2014

Phytochemical screening and study of antioxidant and analgesic potentials of ethanolic extract of Stephania japonica Linn.

The present study was conducted to evaluate the possible phytochemicals present, antioxidant activity and analgesic potential of ethanolic extract of leaves of Stephania japonica (Linn.). For investigating the antioxidant activity, four complementary test systems, namely 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radical scavenging, reducing power assay, Fe++ ion chelating ability and total phenolic content were used....

Author(s): S. M. Naim Uddin, Mohammad Nurul Amin, A. F. M. Shahid-Ud-Daula, Hemayet Hossain, Md. Mahmodul Haque, Md. Saifur Rahman and Md. Abdul Kader