نتایج جستجو برای: plumbago roseus
تعداد نتایج: 1455 فیلتر نتایج به سال:
Background & Aim:Oxidative stresses caused by free radicals are known to promote many diseases such as inflammation and cancer; therefore, any plant product that can inhibit free radical production can play an important role in preventing diseases. We aimed to compare the fracture rate and the scavenging activity of free radicals, and the antioxidant composition of rol...
background & aim: investigation of suspension cell culture and callus production in catharanthus roseus. catharanthus roseus is an herbaceous perennial plant belongs to the family apocynaceae. c. roseus is important as commercial medicinal plant because of its alkaloidal content. whole plant contains about 130 alkaloids those are classified as vinca alkaloids. vincristine and vinblastine; t...
Feeding deterrents or antifeedant chemicals are those chemicals which inhibit feeding of insect on a treated food material without necessarily killing or repelling them. Plants with ant feeding properties are increasingly being used against phytophagous insect pests for protection of crops. In the present study of growth regulating action of Leaf extract of Catharanthus roseus on development st...
For biotransformational studies, Callus of Catharanthus roseus was produced from young shoot tip on Murashige & Skoog medium supplemented with 1.5 mg/litre 2, 4-D and 0.5 mg/litre Kin, solidified by 8 g/litre agar at 25±1°C under complete darkness. The cultures were maintained on the same medium at 25±1 °C in the dark by subculturing after every four weeks. Suspension culture of the plant was p...
This paper reports on the vinca alkaloid produced by a novel Nigrospora sphaerica isolated from Catharanthus roseus. Through liquid chromatography-mass spectrometry (LCMS), only the crude mycelia extract of this fungus was positive for determination of vinblastine. This vinca alkaloid was then purified by using high-performance liquid chromatography (HPLC) and tested for cytotoxicity activity u...
Pontibacter roseus is a member of genus Pontibacter family Cytophagaceae, class Cytophagia. While the type species of the genus Pontibacter actiniarum was isolated in 2005 from a marine environment, subsequent species of the same genus have been found in different types of habitats ranging from seawater, sediment, desert soil, rhizosphere, contaminated sites, solar saltern and muddy water. Here...
A cell suspension culture o f Catharanthus roseus was trea ted during the grow th phase w ith the nucleoside analogue 5-azacytidine, a powerful inducer o f cell d ifferen tia tion , as evidenced w ith animal and hum an cell lines. After induction the cell cu lture was fu rth er incubated in a production m edium in the absence o f the inducer for 10 days. T he extraction o f the freeze dried cel...
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