They may have ability to augments, restore, PCI-32765 solubility dmso inhibit or help to produce the desired immune response.2 Immunomodulators include corticosteroids, cytotoxic agents, thymosin, and immunoglobulins. Some immunomodulators are naturally present in the body, and certain of these are available in pharmacologic preparations.3 Increasing number of people is adopting alternative systems of medicine owing to the irreversible effects of modern drugs and therapies.4 Hibiscus tiliaceus is a species of flowering tree in the mallow family, Malvaceae, that is native to the
old world tropics. H. tiliaceus leaf extracts are found to contain phenolic compounds, flavonoids, vitamin E and several derivatives of stigmasterol, which were identified in this extract. 5H. tiliaceus is used for treating dysentery ulcers and internal injury. Leaves are used to treat amoebic dysentery, infected wounds, flowers and leaves are used in inflammation, mutagenic diseases and hepatoprotective conditions. 6 As the plant is widely used in folk fore for the treatment of various conditions of immune system and so
far no pharmacological study has been carried out to prove the stimulatory actions of H. tiliaceus on immune system, therefore present study was undertaken using modern scientific techniques in experimental models of cellular and humoral immunity in animals. The collected plant material of H. tiliaceus was washed thoroughly in water, cut into small pieces and air dried for two weeks at 35–40 °C temperature. Extraction was done by using Soxhlet apparatus with selleck kinase inhibitor 70% methanol as solvent. The extract was concentrated under reduced pressure dried and stored in a dessicator for further studies. Pyrogallol was procured from Sigma–Aldrich Pvt. Ltd. India; Septilin syrup (Himalaya Ltd) procured from local market, and all other chemicals Buspirone HCl and reagents used were of analytical
grade, procured from SD fine chemicals Ltd., India. Male Wistar rats (150–200 g) were used. Animals were housed under standard conditions of temperature (23 ± 1 °C), 12 h light/dark cycle and fed with standard pellet diet (Mysore feeds, Bangalore, India.) and water ad libitum. The experimental protocol was approved by the Institutional Animal Ethical Committee of P. Rami Reddy Memorial College of Pharmacy prior to the commencement of research work. SRBC (sheep red blood cells) collected in Alsever’s solution, were washed three times in large volumes of pyrogen free 0.9% normal saline and adjusted to a concentration of 0.5 × 109 cells for immunization and challenge. Experimental rats were divided into five groups and each group consists of six animals (n = 6). Control group received a dose of pyrogallol 100 mg/kg i.p., once daily upto 7 days, while the normal group received only vehicle. Standard group received septilin syrup (1 ml/100 g), two groups received MLHT at a dose of 250 mg/kg and 500 mg/kg p.o.
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