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Articles by Satheesh George
Total Records ( 4 ) for Satheesh George
  S. Sudhakar Raja , K.P. Unnikrishnan , Satheesh George , A.B. Remashree , P.S. Udayan , K.V. Tushar and Indira Balachandran
  As part of the gene bank activity of CMPR many collections of Adhatoda zeylanica Medic. were made from varying agroecological regions in South India. These collections could be grouped into four morphotypes based on growth habits and other morphological characters. These four morphotypes were evaluated for their chemical and pharmacognostical characters and significant differences among the morphotypes were noticed. Among quality characters vasicine content, fingerprint profiles, stomatal index, leaf architecture and venation pattern showed significant variation indicating the predominance of additive gene effects. A reverse phase HPLC method for the quantitative determination of vasicine in the morphotypes was developed based on which variation in the vasicine content was observed. Thin layer chromatographic analysis showed variation in the chemical composition of these morphotypes. These studies indicated variability in the chemical composition and pharmacognostic characters among the morphotypes of A. zeylanica. Two of the morphotypes containing significantly higher vasicine indicated the presence of chemical diversity, providing adequate scope for selection of superior chemotypes having high therapeutic value and economic benefit.
  Satheesh George , S.P. Geetha and Indira Balachandran
  A protocol has been standardized for mass in vitro propagation of Baliospermum montanum. Among the cytokinins, BA was superior to kinetin in terms of the number of shoots produced per explant. All the media containing cytokinins and auxins in combination showed superior results than the media with cytokinins alone. Murashige and Skoog (MS) medium containing 1.0 mg L1 BA in combination with 0.1 mg L1 NAA was superior for shoot multiplication. In this medium an optimum number of 9.25 shoots per explant was produced after six weeks of incubation. Among the auxins tried for root induction, NAA and IAA were the most and least effective in root induction, respectively. MS medium containing 0.2 mg L1 NAA was superior for root induction with an average number of 6 roots per shoot. Rooted plantlets on transfer to moist sand, got established successfully in one week and were planted out to pots containing sand, soil and cow dung in 1:1:1 ratio. The micropropagated plants were successfully established with 90 percent success.
  Satheesh George , K.V. Tushar , K.P. Unnikrishnan , K.M. Hashim and Indira Balachandran
  Hemidesmus indicus (L.) R. Br. (Periplocaceae) is being used widely in Ayurvedic medicine. The history of its medicinal importance dates back to ancient times. The present review deals with studies undertaken in various aspects of this plant in the areas of morphology, anatomy, pharmacology, chemistry and ethnobotany along with medicinal uses.
  K.V. Tushar , Satheesh George , A.B. Remashree and Indira Balachandran
  Coscinium fenestratum (Fam. Menispermaceae), a critically endangered and highly-traded medicinal plant, has become very important in recent years due to its rarity and huge demand in the medicinal plant sector. This review throws light into the various research aspects undertaken in the past and present in the area of botany, pharmacology, chemistry, agrotechnology, harvesting practices and biotechnology along with its medicinal, ethnobotanical and other uses.
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