ArticlePharmacognosy magazine2015
Toxicological Evaluation of Emblica officinalis Fruit Extract and its Anti-inflammatory and Free Radical Scavenging Properties.
Article in Pharmacognosy magazine, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 22 papers.
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22 citing papers in PubMed, 52 citations in OpenAlex.
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8 authors at 3 institutions in 2 countries.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundEmblica officinalis (Euphorbiaceae), popularly known as Indian gooseberry or "Amla" in India, is used in Ayurveda as "rejuvenating herb" since ancient times.
objectiveThis study was carried out to estimate toxicity, anti-inflammatory, and antioxidative activities of the methanolic extract of Emblica officinalis fruit (MEO) in an animal model. MATERIALS AND
methodsAntioxidative property of MEO was assessed by in vitro assays such as phosphomolybdenum assay (total antioxidant capacity), free radical scavenging assays 1,1-diphenyl-2-picrylhydrazyl and 2,2'-azino-bis and 3-ethylbenzthiazoline-6-sulphonic acid (DPPH and ABTS method) and lipid peroxidation assay (LPO). The anti-inflammatory property was evaluated by carrageenan-induced acute inflammation in rats by measuring rat paw volume at different time intervals and toxicological analysis using mice. RESULTS AND DISCUSSION: High performance liquid chromatography studies revealed the presence of gallic acid (2.10%), mucic acid (4.90%), ellagic acid (2.10%), quercetin (28.00%), rutin (3.89%), and β-glucogallin (1.46%). MEO showed highest antioxidant activities by using DPPH (17.33-89.00%), ABTS (23.03-94.16%), nitric oxide scavenging activity (12.94-70.16%), LPO (56.54%), and phosphomolybdenum assay (142 ± 6.09 μg/ml). The LD50 was found to be approximately 1125 mg/kg (p.o). High dose of MEO showed significant reduction (72.71%) in the inflammation after 4 h of treatment, which was comparable to diclofenac (10 mg/kg) (61.57%) treated group. Significant reduction (P < 0.05) in the inflammatory cytokine (interleukin-1β and tumor necrosis factor-α) markers were also observed (57.25% and 35.41%, respectively) in serum of MEO treated animals as compared to control.
conclusionTaken together, phenolic compounds of MEO may serve as a potential herbal drug for amelioration of acute inflammation due to their modulatory action on free radicals. SUMMARY: The methanolic extract of Emblica officinalis fruit (MEO) has potent antioxidant activity as assessed by DPPH, ABTS and LPO assaysMEO has potent anti-inflammatory activity in carrageenan induced paw edema modelThe phenolic compounds of MEO might be a potential herbal drug for amelioration of acute inflammation. Abbreviations used: ROS, reactive oxygen species; RNS, reactive nitrogen species, LPO, lipid peroxidation, NO, nitric oxide, IL, interleukin; TNF α tumor necrosis factor alpha; NSAIDs, nonsteroidal anti inflammatory drugs; AA, ascorbic acid; MEO, methanolic extract of Emblica officinalis fruit; ABTS+; 2,2' azino bis 3 ethylbenzthiazoline 6 sulphonic acid; DPPH, 1,1 diphenyl 2 picrylhydrazyl; HPLC, high performance liquid chromatography; MDA, malondialdehyde; DMSO, dimethyl sulphoxide; ELISA, enzyme linked immunosorbent assay.
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