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8320610 
Journal Article 
Evaluation of anticoagulant activity of aqueous extract of Coestrum nocturnum 
Tyagi, CK; Jhade, D; Shah, SK 
2016 
0 
International Journal of Phytomedicine
ISSN: 0975-0185 
Advanced Research Journals 
8 
4 
525-532 
English 
The study evaluated anticoagulant properties of the aqueous extract of Oestrum nocturnum using a PTT-Activated Partial Thromboplastin Time, PT- Prothrombin Time & TT-Thrombin Time as standard procedures. For in vitro coagulation assays, aqueous extract of plant prolonged APTT, TT, and PT clotting times in a dose-dependent manner (Table 7). It prolonged APTT clotting time from 45 ± 2 (2mg/mL) to 82.2 ± 2.63s (10mg/mL), PT clotting time from 20.4 ± 1.49 (2mg/mL) to 31.4 ± 2.15s (10mg/mL), and TT clotting time from 9.2 ± 1.16 (2mg/mL) to 17.4 ± 1.01s (10mg/mL) at the concentration of 2 to 10mg/mL. Heparin prolonged APTT and PT clotting times more than 111.8s and 40.8s, respectively, at a concentration of 1 lU/mL. Heparin prolonged TT clotting times more than 20.6s at a concentration of 1 lU/mL. The phytochemical screening of the plant confirm the presence of saponin in the water and ethanolic extract, Alkaloid in all the extract except hexane extract, tannin in water, ethanol and methanol extract, amino acid in water and ethanolic extract, carbohydrate in water and methanolic extract and triterpenoids and glycoside were absent in all the extracts. The results demonstrated that the aqueous extract of Oestrum nocturnum possesses pharmacologically active anticoagulant principles that could be isolated and evaluated for clinical or physiological purposes. © 2016, Advanced Research Journals. All rights reserved. 
Anticoagulant; Oestrum nocturnumetc; Prothrombin; Thromboplastin time