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      Aerva lanata: A review on phytochemistry and pharmacological aspects

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          Abstract

          Aerva lanata (L.) A. L. Juss. ex Schultes. (Amaranthaceae) locally known as ‘bui’ is an erect or prostrate undershrub with a long tap-root and many wolly-tomentose branches, found in the wild, throughout India. In traditional medicine the plant is used in cough, strangury (slow to be and painful discharge of urine), headache and urolithiasis. The photochemical constituents present in the plant include alkaloids (ervine, methylervine, ervoside, aervine, methylaervine, aervoside, ervolanine, and aervolanine), flavanoids (kaempferol, quercetin, isorhamnetin, persinol, persinosides A and B), methyl grevillate, lupeol, lupeol acetate benzoic acid, β-sitosteryl acetate and tannic acid. Pharmacological studies reported diuretic, anti-inflammatory, hypoglycemic, anti-diabetic, antiparasitic, antimicrobial, hepoprotective, anti-urolithiasis, antiasthmatic, antifertility and hypolipidemic properties of Aerva lanata. This review article includes the detailed exploration of the morphology, phytochemistry, and pharmacological aspects of Aerva lanata in an attempt to provide a direction for further research.

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          Most cited references40

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          Traditional herbal drugs of Bulamogi, Uganda: plants, use and administration

          We present here an inventory of the medicinal plants of Bulamogi county in Uganda, including their medicinal use, preparation and administration modes. Fieldwork for this study was conducted between June 2000 and June 2001 using semi-structured interviews, questionnaires, and participant observation as well as transect walks in wild herbal plant collection areas. We recorded 229 plant species belonging to 168 genera in 68 families with medicinal properties. A large proportion of these plants are herbaceous. The medicinal plants are mainly collected from the wild. Some species, such as Sarcocephalus latifolius (Smith) Bruce, are believed by the community to be threatened by unsustainable intensities of use and patterns of harvesting. Particularly vulnerable are said to be the woody or the slow growing species. Herbal medicines are prepared as decoctions, infusions, powders, or as ash, and are administered in a variety of ways. Other concoctions consist of juices and saps. The purported therapeutic claims await validation. Validation in our opinion can help to promote confidence among users of traditional medicine, and also to create opportunities for the marketing of herbal medicines and generate incomes for the community. The processing, packaging and storage of herbal medicines is substandard and require improvement.
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            Medicinal plant diversity in the flora of Saudi Arabia 1: a report on seven plant families.

            A preliminary survey on the medicinal plant diversity in the flora of the Kingdom of Saudi Arabia has been made with seven families: Amaranthaceae, Apocynaceae, Capparidaceae, Euphorbiaceae, Labiatae, Polygonaceae and Solanaceae, as an initial study. These families are represented in the flora with 254 species (i.e. 12% of the total species), and individually with 21, 7, 29, 66, 76, 22 and 33 species, respectively. Of these, 86 species, so far investigated, are medicinal, distributed in these seven families as follows: 7, 5, 12, 20, 23, 7 and 12, respectively. The Labiatae have the highest number (23) of medicinal plants among them while maximum medicinal plant diversity within the family has been observed with the Apocynaceae. An enumeration of these 86 medicinal species is presented with the current nomenclature, Arabic names and medicinal uses. This communication aims at emphasizing the importance of setting up conservation priorities, and sustained development of various medicinal plants of Saudi Arabia.
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              Ethnobotanical survey of folk plants for the treatment of snakebites in Southern part of Tamilnadu, India.

              Ethnobotanical surveys were conducted in four different indigenous groups in Southern parts of Tamilnadu, India, using a questionnaire. The herbal practitioners in the study area were interviewed, and information on medicinal plants was collected from the traditional healers called "Vaidyars". This survey covers 72 medicinal plants belonging to 53 families that are used for the treatment of snakebite in a traditional way. Traditional approach was evaluated scientifically with some selected plant extracts (7.2 mg/kg bw) and partially purified fractions (2.4 mg/kg bw) were orally administered to mice experimentally envenomed with rattlesnake venom s.c. injection (2.5-15 microg/kg bw). Tested fractions (Aristolochia indica, Hemidesmus indicus, Gloriosa superba, Strychnos nux-vomica, Eclipta prostrata, and Andrographis paniculata) showed potent neutralizing effect against the venom. Compared to the extracts, administration of purified fractions was more effective in increasing the body weight. Control mice injected with the venom alone showed weight loss and severe toxicity at 15 microg/kg bw. The purified fractions (2.4 mg/kg bw) produced significant protection against venom induced changes in serum SOD and LPx levels. The isolated fractions effectively inhibited the toxic effect of snake venoms in vitro than in vivo. The above observations confirmed the protective activity of plants-Aristolochia indica, Hemidesmus indicus, Gloriosa superba, Strychnos nux-vomica, Eclipta prostrata, and Andrographis paniculata against the lethal action of snake venom and need further investigation.
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                Author and article information

                Journal
                Pharmacogn Rev
                PRev
                Pharmacognosy Reviews
                Medknow Publications & Media Pvt Ltd (India )
                0973-7847
                0976-2787
                Jul-Dec 2011
                : 5
                : 10
                : 195-198
                Affiliations
                [1] Lachoo Memorial College of Science and Technology, Pharmacy Wing, Jodhpur, Rajasthan, India
                [1 ] Department of Pharmaceutical Sciences, BIT Mesra, Ranchi, Jharkhand, India
                Author notes
                Address for correspondence: Mr. Manoj Goyal, Lachoo Memorial College of Science and Technology, Pharmacy Wing, Jodhpur, Rajasthan, India. E-mail: manojgoyal620@ 123456yahoo.com
                Article
                PRev-5-195
                10.4103/0973-7847.91120
                3263055
                22279378
                bbd5aee6-3e41-4b6e-8077-5892adf2819d
                Copyright: © Pharmacognosy Reviews

                This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-Share Alike 3.0 Unported, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

                History
                : 15 March 2011
                : 22 August 2011
                : 23 December 2011
                Categories
                Review Article

                Pharmacology & Pharmaceutical medicine
                aerva lanata,ervoside,methylervine,ervine
                Pharmacology & Pharmaceutical medicine
                aerva lanata, ervoside, methylervine, ervine

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