نتایج جستجو برای: leaf extracts

تعداد نتایج: 168428  

2012
R.Tamil Selvan

Medicinal plants have been used for centuries as remedies for human diseases because they contain components of therapeutic value. Acalypha indica L. belonging to the family Euphorbiaceae is a popular plant in traditional medicine used for treating various ailments. Phytochemical screening of the leaf extracts of A.indica was carried out following the standard procedures. Aqueous and ethanolic ...

2013
SHAILASREE SEKHAR

Traditionally several species of Memecylon are used to cure skin problems. However, scientific validation of the plant as a modern medicine is lacking. Therefore, in the present study methanolic extracts of three species of Memecylon i.e., M. umbellatum, M. talbotianum and M. malabaricum were assessed for their antioxidant, anti-microbial, DNA protection capacities, 5-lipoxygenase and human cyc...

2011
S. Arivoli Samuel Tennyson

The larvicidal efficacy of Vernonia cinerea leaf extracts against the common filarial vector, Culex quinquefasciatus was determined. Ground Vernonia cinerea leaves were sequentially extracted with ethyl acetate, chloroform, acetone and methanol. A series of concentrations of the extracts ranging from 0.05 – 2 mg/ml were tested against third instar larvae using WHO protocol and their percentage ...

2010
Ludmila Yarmolinsky Michele Zaccai Shimon Ben-Shabat Mahmoud Huleihel

The antiviral activity of Callissia fragrans and Simnondsia chinensis aquatic and ethanol leaf extracts, as well as purified fractions from these extracts was studied against herpetic viruses in vitro. Ethanol extract of C. fragrans effectively inhibited the infection of Vero cells by HSV-1, HSV-2 in vitro, while its aquatic extract inhibited only VZV. Although S. chinensis leaf extract strongl...

Journal: :Medical principles and practice : international journal of the Kuwait University, Health Science Centre 2009
Pongtip Sithisarn Siripen Jarikasem

OBJECTIVE The aim of this study was to investigate the antioxidant activity of extracts of various parts of Acanthopanax trifoliatus obtained by different extraction methods. The total phenolic and flavonoid contents of the extracts were also determined. MATERIALS AND METHODS The leaves, stems, stem bark, roots and root bark of A. trifoliatus were extracted separately using decoction, macerat...

2012
Fadwa Chaabane Jihed Boubaker Amira Loussaif Aicha Neffati Somaya Kilani-Jaziri Kamel Ghedira Leila Chekir-Ghedira

BACKGROUND Plants play a significant role in maintaining human health and improving the quality of human life. They serve humans well as valuable components of food, as well as in cosmetics, dyes, and medicines. In fact, many plant extracts prepared from plants have been shown to exert biological activity in vitro and in vivo. The present study explored antioxidant and antigenotoxic effects of ...

Deepak Kumar Srivastava, Nisreen Husain

The phytochemicals present in the plants are responsible for the biological activities and therapeutic properties of the various medicinal plants. They function as antioxidants in health promotion by preventing oxidant-damage which is the main cause of many diseases. The present study deals with the comparative analysis of phytochemicals in the methanolic and chloroformic leaf extracts of three...

Deepak Kumar Srivastava, Nisreen Husain

The phytochemicals present in the plants are responsible for the biological activities and therapeutic properties of the various medicinal plants. They function as antioxidants in health promotion by preventing oxidant-damage which is the main cause of many diseases. The present study deals with the comparative analysis of phytochemicals in the methanolic and chloroformic leaf extracts of three...

2013
B. Mahesh

The methanol leaf extracts of Acacia nilotica, Sida cordifolia, Tinospora cordifolia, Withania somnifer and Ziziphus mauritiana showed significant antibacterial activity against Bacillus subtilis, Escherichia coli, Pseudomonas fluorescens, Staphylococcus aureus and Xanthomonas axonopodis pv. malvacearum and antifungal activity against Aspergillus flavus, Dreschlera turcica and Fusarium verticil...

2013
G. Rajeswari M. Murugan

Objective: In the present study anti-inflammatory activity of ethanol extract of leaf and bark of Hugonia mystax were inveatigated. Methods: The anti-inflammatory activity of ethanol extracts leaf and bark of H. mystax were evaluated by carrageenan induced rat paw edema to determine its effect on chronic phase of inflammation models in rats. Results: Preliminary phytochemical analysis of ethano...

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