Phytochemical sreening, anti-inflamatory and analgesic analysis of upaca staudtil leaves

Project Abstract

This research project focused on the phytochemical screening, anti-inflammatory, and analgesic analysis of Upaca staudtii leaves. The study involved the collection of Upaca staudtii leaves, extraction of bioactive compounds, and conducting various tests to evaluate the anti-inflammatory and analgesic properties of the plant extract. Phytochemical screening revealed the presence of important secondary metabolites such as alkaloids, flavonoids, tannins, saponins, and terpenoids, which are known for their potential therapeutic effects. The anti-inflammatory activity of the Upaca staudtii leaf extract was evaluated using in vivo models, which demonstrated a significant reduction in inflammation compared to the control group. The analgesic properties of the extract were assessed using various pain models, and the results indicated a notable reduction in pain perception, suggesting its potential as an analgesic agent. Furthermore, the safety profile of the extract was evaluated, showing no signs of acute toxicity in the experimental animals. Overall, the findings of this study highlight the potential of Upaca staudtii leaves as a source of bioactive compounds with anti-inflammatory and analgesic properties. Further research is needed to elucidate the mechanisms of action of the active compounds present in the extract and to explore its potential for the development of novel anti-inflammatory and analgesic drugs.

Project Overview

<p> </p><div><p><em>Uapaca staudtii</em>&nbsp;is employed traditionally in the treatment of disease conditions such as wound, inflammation and diarrhea. Furthermore, there is no literature report on anti-inflammatory, analgesic as well as chemistry of the plant. Hence it is necessary to carry out research study to ascertain the potency and safety of this medicinal plant in the management of pains and inflammation associated with wound. Chemical constituents responsible for the activities may lead to potent or even novel Compounds.</p><p><strong>Aim and Objectives of the Study</strong></p><p>The aim and objectives of the study include:</p><p>To carry out chemical and anti-inflammatory studies of <em>U. staudtii</em>&nbsp;leaves in rodents.</p><p>To carry out the phytochemical analysis of the ethanolic extract of <em>U. staudtii</em>&nbsp;leaves.</p><p>To determine the median lethal dose (LD50) of the ethanolic extract in order to predict the dose and safety of the extract.</p><p>To study the dose-response anti-inflammatory and analgesic effect of the extract and fraction of <em>U. staudtii </em>leaves.</p><p>To investigate the possible mechanism of anti-inflammatory and analgesic effect.</p><p>Purification and isolation of bioactive compounds responsible for these pharmacologic actions.</p><p>Characterization of active constituents isolated using various spectroscopic techniques such as Ultraviolet (UV), Infrared (IR), Nuclear Magnetic Resonance (NMR) and Mass Spectrometry (MS).</p><p><strong>Preparation and Extraction of Plant Material</strong></p><p>The leaves were destalked, washed, air dried and pulverized. The powdered plant material was weighed and about 2.8 kg was extracted cold with 22 L of 50% ethanol and shaken intermittently for 72 hours at room temperature. After 72 hours, the liquid extract concentrated <em>in vacuo </em>using rotary evaporator at 45oC. The extract was further concentrated to dryness in a water bath at 50oC and weighed. The dried extract (450 g) was stored in a refrigerator until use.</p><p><strong>Phytochemical Screening</strong></p><p>The phytochemical screening was carried out on the ethanol extract of <em>U. staudtii</em>&nbsp;leaves according to standard methods to preliminary identify the classes of bioactive compounds in the plant extract.</p><p><strong>Test for Alkaloids</strong></p><p>About 0.5 g of the extract was stirred with 5ml of 5% hydrochloric acid in a test tube placed on a steam bath at 100oC. The mixture was filtered and divided into three portions of 1ml each. The first portion of the filtrate was treated with few drops of Meyer’s reagent while the second portion was treated with Dragendorff’s reagent. Precipitation or turbidity with these reagents was taken as the preliminary evidence for the presence of alkaloids in the extract. The third portion of the filtrate was treated with few drops of picric acid; a yellow precipitation was taken as preliminary evidence for the presence of alkaloids (Harborne, 1998; Sofowora, 1993).</p><p><strong>Test for Anthraquinones</strong></p><p><strong>Free Anthraquinone</strong>: About 0.5 g of plant extract was treated with 2ml of benzene, filtered and 0.5 ml of 10% ammonia solution added and shaken. The presence of pink, red or violet colour in the ammonical layer indicated the presence of free hydroxy anthraquinones (Sofowora, 1993).</p><p><strong>Combined Anthraquinone</strong>: About 0.5 g of the extract was boiled with 2 ml of aqueous tetraoxosulphate (VI) acid and filtered while hot. The filtrate was shaken with 1ml of benzene.</p><p></p></div><h3></h3><br> <br><p></p>