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Ethnobotany and pharmacognostical studies of Jasminum sambac Linn.

100%
Gowdhami T., Rajalakshmi A. K.
International Letters of Natural Sciences
|
2015
|
tom 38
2
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Ethnobotany and pharmacognostical studies of Jasminum sambac Linn.

100%
Gowdhami T., Rajalakshmi A. K.
International Letters of Natural Sciences
|
2015
|
tom 37
In the present study of Jasminum sambac ethnobotanical and pharmacognostical activity of Jasminum sambac leaf .These species of highly medicinal purpose flowers, leaves act as lactifuge, arrest the secretion of milk in the puerperal state in case of threatened abscess pharmacognostical study of leaf parts of Jasminum sambac has been undertaken, hence it is establish. Pharmacognostical and quality control parameters of leaf, of Jasminum sambac was carried out. Various microscopic characters viz., transverse section of leaf, quantitative parameters (stomatal number, stomatal index, and vein-islet and termination number) were determined for the identification of plant material. Powder microscopic studies, were also performed. Physicochemical parameters such as total Ash(13.5%), water soluble ash (6.7%) and acidinsoluble ash (8.2 %)Alcohol soluble extractive(30%) Water soluble extractive(11.8%)Moisture content(6.19%)Crude fibre content(15.1%)Swelling index (1)and Foaming index (Lessthan 100).
3
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Chemical composition and antimicrobial activity of essential oil from Eupatorium triplinerve Vahl. aerial parts

81%
Sugumar N., Karthikeyan S., Gowdhami T.
International Letters of Natural Sciences
|
2015
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tom 04
Eupatorium triplinerve Vahl belongs to the Asteraceae family, popularly known as Ayapana. It is a perennial shrub native to Amazon rainforests of South America. Its leaves are used through infusions, decoctions, baths, and tea. It is largely used in Brazilian folk medicine as sedative, febrifuge, stimulant, tonic and anti-inflammatory. The essential oil from aerial parts of Eupatorium triplinerve was analysis by gas chromatography mass spectroscopy (GC-MS). Thirty compounds representing 98.24 % of the oil were identified. The major compounds were 2-tert-butyl-1,4-methoxybenzene (74.3 %) and b-Selinene (8.6 %). The antibacterial activity of the essential oil was evaluated against ten bacteria (including Gram positive and Gram negative) and six phytopathogenic fungi. The oil exhibited moderated antibacterial and strong antifungal activity against all the test pathogens. The highest zone inhibition was recorded against Salamella typhae (21 mm) followed by Shigella sonnei (18 mm) at a concentration of 20μl/ disc on the other standard Ampicillin 20mg/ disc showed on average of 14-34 mm diameter of zone inhibition against the test organism. The lowest antifungal activities were recorded against Macrophomina phaseoline, and Botryodiplodia theobromae. The highest Alternaria alternate (12000 ppm). Further pharmacological and toxicology studies will be required to establish the therapeutic uses of this oil.
4
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Pharmacognostical and preliminary Phytochemical Screening of the Leaf extract of Jasminum auriculatum Vahl

81%
Gowdhami T., Rajalakshmi A. K., Sugumar N.
International Letters of Natural Sciences
|
2015
|
tom 43
Jasminum auriculatum belonging to the family Oleaceae are reported to have good medicinal values in traditional system of medicines. The present study deals with pharmacognostical examination of morphological and microscopical characters and phytochemical investigations of Jasminum auriculatum leaves including determination of loss on drying, ash values and extractive values. The preliminary phytochemical screening of powdered drug was also carried out, the qualitative chemical examinations revealed the presence of various phytoconstituents like alkaloids, steroids, terpenoids, saponins, carbohydrates, Glycosides, protein, mucilages, phenols ,tannins and flavonoids.
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