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      Review of Holarrhena antidysenterica (L.) Wall. ex A. DC.: Pharmacognostic, Pharmacological, and Toxicological Perspective

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          Abstract

          Holarrhena antidysenterica (L.) Wall. ex A. DC. is a medicinal plant abundantly found in India. Its uses are mentioned in the classical Ayurvedic literature and by many folklore claims. The plant is also of extreme economic importance. Its seeds are mainly used as an antidiabetic remedy. All pharmacological and toxicological aspects of this plant are discussed in this review.

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          Anti-malarial activity of Holarrhena antidysenterica and Viola canescens, plants traditionally used against malaria in the Garhwal region of north-west Himalaya

          Background The increasing number of multidrug-resistant Plasmodium strains warrants exploration of new anti-malarials. Medicinal plant research has become more important, particularly after the development of Chinese anti-malarial drug artemisnin from Artemisia annua. The present study shows evaluation of anti-malarial effects of two plants commonly used against malaria in the Garhwal region of north-west Himalaya, in order to discover the herbal-based medicine. Methods In vitro anti-plasmodial sensitivity of plant extracts was assessed using schizont maturation and parasite lactate dehydrogenase (pLDH) assay. Cytotoxic activities of the examined extracts were determined on L-6 cells of rat skeletal muscle myoblast. The 4-day test for anti-malarial activity against a chloroquine sensitive Plasmodium berghei NK65 strain in Swiss albino mice was used for monitoring in vivo activity of plant extracts. Results Chloroform extract of H. antidysenterica (HA-2) and petroleum ether extract of V. canescens (VC-1) plants significantly reduced parasitaemia in P. berghei infected mice. The extract HA-2 showed in vitro anti-plasmodial activity with its IC50 value 5.5 μg/ml using pLDH assay and ED50 value 18.29 mg/kg in P. berghei infected Swiss albino mice. Similarly petroleum ether extract of V. canescens (VC-1) showed in vitro anti-plasmodial activity with its IC50 value 2.76 μg/ml using pLDH assay and ED50 15.8 mg/kg in P. berghei infected mice. The extracts coded as HA-2 at 30 mg/kg and VC-1 at 20 mg/kg exhibited parasite inhibition in mice: 73.2% and 63.0% respectively. Of these two plant extracts, petroleum ether extract of V. canescens was found slightly cytotoxic. Conclusion The present investigation reflects the use of these traditional medicinal plants against malaria and these plants may work as potential source in the development of variety of herbal formulations for the treatment of malaria.
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            Studies on the in vitro and in vivo antiurolithic activity of Holarrhena antidysenterica.

            Holarrhena antidysenterica has a traditional use in the treatment of urolithiasis, therefore, its crude extract has been investigated for possible antiurolithic effect. The crude aqueous-methanolic extract of Holarrhena antidysenterica (Ha.Cr) was studied using the in vitro and in vivo methods. In the in vitro experiments, Ha.Cr demonstrated a concentration-dependent (0.25-4 mg/ml) inhibitory effect on the slope of aggregation. It decreased the size of crystals and transformed the calcium oxalate monohydrate (COM) to calcium oxalate dehydrate (COD) crystals, in calcium oxalate metastable solutions. It also showed concentration-dependent antioxidant effect against 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radicals and lipid peroxidation induced in rat kidney tissue homogenate. Ha.Cr (0.3 mg/ml) reduced (p < 0.05) the cell toxicity and LDH release in renal epithelial cells (MDCK) exposed to oxalate (0.5 mM) and COM (66 μg/cm(2)) crystals. In male Wistar rats, receiving 0.75 % ethylene glycol (EG) for 21 days along with 1 % ammonium chloride (AC) in drinking water, Ha.Cr treatment (30-100 mg/kg) prevented the toxic changes caused by lithogenic agents; EG and AC, like loss of body weight, polyurea, oxaluria, raised serum urea and creatinine levels and crystal deposition in kidneys compared to their respective controls. These data indicate that Holarrhena antidysenterica possesses antiurolithic activity, possibly mediated through the inhibition of CaOx crystal aggregation, antioxidant and renal epithelial cell protective activities and may provide base for designing future studies to establish its efficacy and safety for clinical use.
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              A review on phytochemical, pharmacological, and pharmacognostical profile of Wrightia tinctoria: Adulterant of kurchi

              Wrightia tinctoria R. Br. belongs to family Apocynaceae commonly called as Sweet Indrajao, Pala Indigo Plant, Dyer's Oleander. “Jaundice curative tree” in south India. Sweet Indrajao is a small, deciduous tree with a light gray, scaly smooth bark. Native to India and Burma, Wrightia is named after a Scottish physician and botanist William Wright (1740-1827). Sweet Indrajao is called dhudi (Hindi) because of its preservative nature. The juice of the tender leaves is used efficaciously in jaundice. Crushed fresh leaves when filled in the cavity of decayed tooth relieve toothache. In Siddha system of medicine, it is used for psoriasis and other skin diseases. Oil 777 prepared out of the fresh leaves of the plant has been assigned to analgesic, anti-inflammatory, and anti-pyretic activities and to be effective in the treatment of psoriasis. The plant is reported to contain presence of flavanoid, glycoflavones-iso-orientin, and phenolic acids. The various chemical constituents isolated from various parts of the plant are reported as 3,4-Seco-lup-20 (29)-en-3-oic acid, lupeol, stigmasterol and campetosterol, Indigotin, indirubin, tryptanthrin, isatin, anthranillate and rutin Triacontanol, Wrightial, cycloartenone, cycloeucalenol, β-amyrin, Alpha-Amyrin, and β-sitosterol, 14α-methylzymosterol. Four uncommon sterols, desmosterol, clerosterol, 24-methylene-25-methylcholesterol, and 24-dehydropollinastanol, were isolated and identified in addition to several more common phytosterols. The Triterpinoids components of the leaves and pods of Wrightia tinctoria also isolated. This article intends to provide an overview of the chemical constituents present in various parts of the plants and their pharmacological actions and pharmacognostical evaluation.
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                Author and article information

                Journal
                Pharmacogn Rev
                Pharmacogn Rev
                PRev
                Pharmacognosy Reviews
                Medknow Publications & Media Pvt Ltd (India )
                0973-7847
                0976-2787
                Jul-Sep 2017
                : 11
                : 22
                : 141-144
                Affiliations
                [1]Department of Pharmacology, Regional Ayurveda Institute of Fundamental Research, New Delhi, India
                [1 ]Department of Animal and Experimental Pathology, Regional Ayurveda Institute of Fundamental Research, New Delhi, India
                [2 ]Department of Pharmacology, Headquarters, Central Council of Research in Ayurvedic Sciences, New Delhi, India
                [3 ]Department of Ayurveda and In-charge, Regional Ayurveda Research Institute, Gwaliar Road, Jhansi, Uttar Pradesh, India
                Author notes
                Correspondence: Dr. Pallavi Shrirang Jamadagni, Research Officer (Pharmacology), Department of Pharmacology, Regional Ayurveda Institute of Fundamental Research, Nehru Garden, Gandhi Bhavan Road, Kothrud, Pune - 411 038, Maharashtra, India. E-mail: pallavideshmukh7@ 123456gmail.com
                Article
                PRev-11-141
                10.4103/phrev.phrev_31_16
                5628520
                28989249
                17d8a365-269e-49a9-aeb0-09a60a09e3cb
                Copyright: © 2017 Pharmacognosy Reviews

                This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License, which allows others to remix, tweak, and build upon the work non-commercially, as long as the author is credited and the new creations are licensed under the identical terms.

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                Categories
                Review Article

                Pharmacology & Pharmaceutical medicine
                antidiabetic,holarrhena antidyscentrica,pharmacology

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