Micropropagation of Stevia rebaudiana Bert. in temporary immersion systems and evaluation of genetic fidelity
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FREE RADICAL SCAVENGING ACTIVITY OF FLAVONOID CONTAINING LEAF EXTRACTS OF Stevia rebaudiana Bert
To evaluate the free radical scavenging activity of flavonoids containing extracts of Stevia leaf. Alcoholic. Successive butanolic and alcoholic extracts of leaves were examined for free radical scavenging activity using BHT (tert-butylhydroxytolune) as a positive control by in vitro models. Successive alcoholic extract showed remarkable free radical scavenging activity. The IC(50) was found to...
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The micropropagation of Stevia rebaudiana using stem node segment explants obtained from 2 years-old shrubs were achieved. Cultures were established on Murashige and Skoog (MS) as the medium supplemented with different concentrations of 6-benzylaminopurine (BA) at concentration, 0.0, 0.1 and 0.5 mg/l individually or in combination with Kinetin (Kin) at concentration, 0.0, 0.1 and 0.5 mg/l. The ...
متن کاملStevia rebaudiana Bert. leaf extracts as a multifunctional source of natural antioxidants.
The aim of the presented study was to characterize the content and biological activity of extracts prepared from dried Stevia rebaudiana leaves with potential application in the food or cosmetic industry. Aqueous (A), ethanolic (E) and glycol-aqueous (GA) extracts were analyzed for the content of polyphenols and proteins, showing that the highest amount of phenols (15.50 mg/g) and flavonoids (3...
متن کاملAnti-inflammatory activity of in vitro regenerated calli and in vivo plant of Stevia rebaudiana (Bert.) Bertoni
Anti-inflammatory activities of methanolic extract of callus and intact plant part of Stevia rebaudiana(Bert.) Bertoni was studied for the first time. Acute inflammation model, carrageenan induced rat hind paw edema model was employed to investigate the anti-inflammatory activity. The methanolic extract from fresh callus cultures of Stevia rebaudianacultured on Murashige and Skoog (MS) medium f...
متن کاملEvaluation and comparison of different extraction methods from Stevia rebaudiana
Background and objectives: Stevia rebaudiana Bertoni is a herbaceous and a small shrub of the Compositae family. It is native to certain regions of South America. Since 1970s, Stevia extracts have been extensively used in many countries as a sugar substitute. Stevia is cultivated in many countries: Paraguay, USA, Mexico, Central America, Japan, China,...
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ژورنال
عنوان ژورنال: South African Journal of Botany
سال: 2016
ISSN: 0254-6299
DOI: 10.1016/j.sajb.2016.07.015