Antiviral profile of Nyctanthes arbortristis L. against encephalitis causing viruses.
نویسندگان
چکیده
The ethanolic extracts, various fractions and two pure compounds isolated from the plant N. arbortris were tested against Encephalomyocarditis Virus (EMCV) and Semliki Forest Virus (SFV). Pronounced in vitro virus inhibitory activity was observed with the ethanolic and n-butanol fractions as well as with the pure compounds arbortristoside A and arbortristoside C. In addition, ethanolic extracts and n-butanol fraction protected EMCV infected mice to the extent of 40 and 60% respectively against SFV at a daily dose of 125 mg/kg body weight.
منابع مشابه
Diuretic activity of Nyctanthes arbortristis Linn.
Nyctanthes arbortristis Linn. is a well documented plant. The present study is done to establish the diuretic activity of the water-soluble portions of the ethanolic extracts of its flowers, barks, seeds and leaves. In toxicity study, the extracts were seen to be safe up to the dose of 2.0 gm/kg. For the estimation of diuretic activity, the parameters studied were total urine volume and urine c...
متن کاملIn Vitro Antioxidant, Antiproliferative, and Phytochemical Study in Different Extracts of Nyctanthes arbortristis Flowers
Nyctanthes arbortristis L. (Oleaceae) is widely used in the Indian system of traditional medicine and is reported to have various biological activities. The present study was intended to evaluate the antioxidant and antiproliferative activities of flower extracts of Nyctanthes arbortristis. The shade dried flowers were extracted with 95% ethanol under sonication and the antioxidant activities w...
متن کاملAntibacterial Activity of Nyctanthes Arbortristis, Nerium Oleander and Catharathnus Roseus
In the present study, an attempt was made to investigate the anti-bacterial activity of Nyctanthes arbortristis, Nerium oleander and Catharathus roseus. The crude drug powder extracts of the leaves of the above plants were taken for the study. The antibacterial activity was performed by using both gram positive and gram gative organism viz., B.subtilis and E.coli respectively. The Phytochemical...
متن کاملSome Pharmacological Studies on a Flavone Glycoiside of Nyctanthes Arbortristis (harsinghar)
A flavones glycoside isolated from the bark of ayurvedic plant, Nyctanthes arbortristis was subjected to various pharmacological studies. The glycoside was found to be effective on, cardiovascular system and smooth muscles of intestine but no significant effect was found on CNS. The glycoside exhibited promising anti-inflammatory activity.
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید
ثبت ناماگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید
ورودعنوان ژورنال:
- Indian journal of experimental biology
دوره 43 12 شماره
صفحات -
تاریخ انتشار 2005