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Of the tested plant extracts; Adhatoda vasica and Peganum harmala showed inhibitory effect on AChE at IC50 294 μg/ml and 68 μg/ml respectively. Moreover, A. vasica interacted reversibly with the enzyme while P. harmala showed irreversible inhibition. Ferula assafoetida (IC50 3.2 μg/ml), Syzygium aromaticum (34.9 μg/ml) and Zingiber officinalis (33.6 μg/ml) showed activity against COX-1 enzyme. Potent radical scavenging activity was demonstrated by three plant extracts Terminalia chebula (EC50 2.2 μg/ml), T. arjuna (3.1 μg/ml) and Emblica officinalis (6.3 μg/ml).
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Terminalia arjuna (T. arjuna) bark extract is used to reduce Cu(2+)→Cu(0) under microwave irradiation. The formation of copper nanoparticles (CuNPs) is monitored by recording the UV-Vis absorption spectra for surface plasmon resonance (SPR) peak, ~535 nm. The intensity of SPR increased linearly with increasing temperature of the reaction mixture. The formation mechanism of CuNPs is supported by the observed marginal decrease in pH and an increase in solution potential (E) of the reaction mixture. X-ray diffraction (XRD) pattern of the CuNPs agrees with the reported data for Cu metal and the crystallite size is ~23 nm. Fourier transform infrared spectroscopy (FT-IR) and solid-state (13)C NMR shows the presence of plant residues on the CuNPs, i.e., in situ bio-capping is possible by this method. Thermo gravimetric (TG) analysis shows the thermal degradation of plant residue and the conversion of Cu to CuO. Field emission electron microscopic (FESEM) image shows uniform spherical particles obtained here. Elemental analysis by energy dispersive X-ray (EDX) analysis confirms the presence of Cu alone, as expected. The in vitro antimicrobial activity is found to be effective for CuNPs dried at RT when compared to CuNPs dried at 70 °C. In addition, CuNPs shows very good antioxidant property.
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Several medicinal plants have been described to be beneficial for cardiac ailments in Ayurveda like Ashwagandha and Arjuna. Ashwagandha-categorised as Rasayanas, and described to promote health and longevity and Arjuna primarily for heart ailments. coronary artery disease, heart failure, hypercholesterolemia, anginal pain and can be considered as a useful drug for coronary artery disease, hypertension and ischemic cardiomyopathy.
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A cross sectional study was performed at Teaching Hospital Peradeniya between April and August 2012. Following verbal consent, 254 type 2 adult diabetic patients attending the diabetes facility were interviewed regarding the use of CAM and hypoglycaemia using an interviewer-administered questionnaire.
Urolithiasis is a multifactorial disease and remains a public health problem around the world. Of all types of renal stones, calcium oxalate (CaOx) is the most common composition formed in the urinary system of the patients with urolithiasis. The present study is aimed at evaluating the antiurolithiatic properties of the Tris-Cl extract (TE) of Terminalia arjuna (T. arjuna). The antilithiatic activity of TE of T. arjuna was investigated on nucleation, aggregation, and growth of the CaOx crystals, as well as its protective potency was tested on oxalate-induced cell injury of NRK-52E renal epithelial cells. Also, in vitro antioxidant activity of TE T. arjuna bark was also determined. The TE of T. arjuna exhibited a concentration-dependent inhibition of nucleation and growth of CaOx crystals. Inhibition of aggregation of CaOx crystals remains constant. When NRK-52E cells were injured by exposure to oxalate for 48 h, the TE prevented the cells from injury and CaOx crystal adherence resulting in increased cell viability in a dose-dependent manner. The TE also scavenged the 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radicals with an IC50 at 51.72 µg/mL. The results indicated that T. arjuna is a potential candidate for phytotherapy against urolithiasis as it attains the ability to inhibit CaOx crystallization and scavenge DPPH free radicals in vitro along with a cytoprotective role.
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Diabetes mellitus is a major cause of morbidity and mortality worldwide, with a prevalence of 347 million in 2013. Complementary and Alternative Medicines (CAM) are a group of remedies that is fast gaining acceptance among individuals. Cinnamon, Bitter gourd (Momordica charantia) and Fenugreek (Trigonella foenum-graecum) are 3 widely used CAMs used worldwide for the treatment of diabetes. Data on safety and efficacy is limited, but the consumption is wide. Crepe ginger (Costus speciosus) and Ivy gourd (Coccinia grandis) are 2 plants used widely in the Asian region for their presumed hypoglycaemic properties.
Inhibitory effect of alcoholic (TAAE) and aqueous (TAWE) extracts of TA-stem bark was assessed on human 3-hydroxy-3-methylglutaryl coenzyme A (HMG-CoA) reductase, lipoprotein lipase (LpL) and lipid peroxidation in rat (wistar) liver and heart homogenates. The patterns of H2O2 induced reactive oxygen species (ROS) generation were observed by confocal microscopy. The activities of antioxidant enzymes and reducing power of the cells were measured in a microplate reader. Gene transcripts of proinflammatory markers in THP-1 and HAECs were assayed by real time PCR and levels of inflammatory protein markers by ELISA or flow cytometry. Phytochemical analyses of TAAE and TAWE were done using liquid chromatography, coupled to mass spectrometry (LC-MS).
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Free radicals and associated oxidative stress induced by alloxan are implicated in eliciting pathological changes in diabetes mellitus. Terminalia arjuna bark, an indigenous plant used in ayurvedic medicine in India, primarily as a cardiotonic is also used in treating diabetes, anemia, tumors and hypertension. The present study examined the effect of ethanolic extract (250 and 500 mg/kg body weight) of Terminalia arjuna stem bark in alloxan induced diabetic rats and its lipid peroxidation, enzymatic and nonenzymatic activity was investigated in the liver and kidney tissues. The extract produced significant (P<0.05) reduction in lipid peroxidation (LPO). The effect of oral T. arjuna at the dose of 500 mg/kg body weight was more than the 250 mg/kg body weight. The extract also causes a significant (P<0.05) increase in superoxide dismutase, catalase, glutathione peroxidase, glutathione-s-transferase glutathione reductase and glucose-6-phosphate dehydrogenase, reduced glutathione, vitamin A, vitamin C, vitamin E, total sulfhydryl groups (TSH) and non protein sulfhydryl groups (NPSH) in liver and kidney of alloxan induced diabetic rats, which clearly shows, the antioxidant property of T. arjuna bark. The result indicates that the extract exhibit the antioxidant activity through correction of oxidative stress and validates the traditional use of this plant in diabetic animals.
Since hyperlipidemia, inflammation and obesity are closely related to atherosclerosis, therefore management of these factors together would be beneficial for overall treatment approach for atherosclerosis. Although, Indian system of medicine, especially Ayurveda has several medicinal plants with proven beneficial claims towards these pathological conditions, but most of them lack enough experimental data. BHUx is a novel polyherbal formulation, consisting of 5 medicinal plants namely Termenalia arjuna, Strychnox nux vomica, Boswellia serrata, Commiphora mukul, and Semecarpus anacardium, which have history of clinical use as single or in other combinations, but these plant fractions were never tried collectively in this ratio as in BHUx, which has been found to be effective on all the etiological factors, together. In this paper, antioxidant, anti-inflammatory, hypo-lipidemic, anti-proliferative properties of BHUx have been studied on several experimental models based on chemical tests, cell culture, in vitro models, and in vivo experiments with normal and transgenic animals. A separate pre-clinical toxicity study has also been carried out to prove its safety margin in therapeutic doses. Further, clinical trail of BHUx is under way, before it comes to market for public use as functional food to maintain healthy heart. This article also review some patent related to the field.
VEGF is believed to be a master regulator in both developmental and pathological angiogenesis. The role of PDGF-C in angiogenesis, however, is only at the beginning of being revealed. We and others have shown that PDGF-C is a critical player in pathological angiogenesis because of its pleiotropic effects on multiple cellular targets. The angiogenic pathways induced by PDGF-C are, to a large extent, VEGF-independent. These pathways may include, but not limited to, the direct effect of PDGF-C on vascular cells, the effect of PDGF-C on tissue stroma fibroblasts, and its effect on macrophages. Taken together, the pleiotropic, versatile and VEGF-independent angiogenic nature of PDGF-C has placed it among the most important target genes for antiangiogenic therapy.
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The present study demonstrated prophylactic and therapeutic potential of Terminalia arjuna bark extract in isoproterenol (ISO)-induced chronic heart failure (CHF). Fifteen days after injection of ISO (85 mg/kg twice at an interval of 24 h, s.c), rats showed decline in maximal rate of rise and fall of left ventricular pressure (LV (dP/dt)(max) and LV (dP/dt)(min)), cardiac contractility index (LV (dP/dt)(max)/LVP), cardiac output and rise in LV end-diastolic pressure. CHF rats showed a significant increase in serum creatine kinase isoenzyme-MB (CK-MB) and malondialdehyde levels, as well as fall in the activities of superoxide dismutase, reduced glutathione. Altered lipid profile and increased level of cytokine tumour necrosis factor-α (TNF-α) along with histological changes in heart were also observed in CHF rats. T. arjuna bark extract (500 mg/kg, p.o) treatment prior and 15 days after ISO injection significantly attenuated cardiac dysfunction and myocardial injury in CHF rats. Cardioprotective action of T. arjuna was comparable to fluvastatin, a synthetic drug. The results suggest that T. arjuna bark extract has a significant prophylactic and therapeutic beneficial effect on protection of heart against ISO-induced CHF possibly through maintaining endogenous antioxidant enzyme activities, inhibiting lipid peroxidation and cytokine levels.
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Systematic literature searches were carried out and the available information on various medicinal plants traditionally used for cardiovascular disorders was collected via electronic search (using Pubmed, SciFinder, Scirus, GoogleScholar, JCCC@INSTIRC and Web of Science) and a library search for articles published in peer-reviewed journals. No restrictions regarding the language of publication were imposed.
Internal transcribed spacer-based species-specific polymerase chain reaction.(PCR) assays were developed to authenticate Terminalia arjuna stem bark and to identify substitution/adulteration of Terminalia bellirica and Terminalia chebula in the genuine starting materialDefinite amplicons were obtained specific to particular species and the assay was found of profound sensitivity to amplify as low as 2 ng of DNAResults of method validation proved that the assay can identify adulterant Terminalia species even when present in lower amountsThe DNA barcodes and PCR methods can also be used to identify Terminalia bellirica and T. chebula related herbal medicinal material. Abbreviations used: ITS: Internal transcribed spacer, BSA: Bovine serum albumin, DMSO: Dimethyl sulfoxide.
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The Bhagavad Gita is based on a discourse between Lord Krishna and Arjuna at the inception of the Kurukshetra war and elucidates many psychotherapeutic principles. In this article, we discuss some of the parallels between the Gita and contemporary psychotherapies. We initially discuss similarities between psychodynamic theories of drives and psychic structures, and the concept of three gunas. Arjuna under duress exhibits elements of distorted thinking. Lord Krishna helps remedy this through a process akin to Cognitive Behavioral Therapy (CBT). We ascertain the analogies between the principles of Gita and CBT, grief emancipation, role transition, self-esteem, and motivation enhancement, as well as interpersonal and supportive psychotherapies. We advocate the pragmatic application of age old wisdom of the Gita to enhance the efficacy of psychotherapeutic interventions for patients from Indian subcontinent and to add value to the art of western psychotherapies.
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BHUx is a polyherbal formulation consisting of water-soluble fractions of five medicinal plants (Commiphora mukul, Terminalia arjuna, Boswellia serrata, Semecarpus anacardium and Strychnos nux vomica). The present study was undertaken to evaluate its antioxidant and antiinflammatory effects. BHUx, standardized by HPLC fingerprinting and filtered through 0.2 microm filter paper, was employed for different studies under in vivo and in vitro conditions. Under in vivo conditions, BHUx significantly reduced inflammation in the carrageenan-induced rat paw oedema model of inflammation, suggesting its anti-inflammatory properties. In order to test the mechanism of action of BHUx, further in vitro studies were undertaken on cumene-hydroperoxide-induced lipid peroxidation (CHP) in liver homogenate, LPS-induced NO production in peritoneal macrophages and on key enzymes of arachidonic acid cascade, involved in the mediation of inflammation. Under the conditions, BHUx showed concentration-dependent inhibition of CHP-induced lipid peroxidation in liver homogenate, suggesting its antioxidant properties. Similarly the potent anti-inflammatory effects of BHUx are evident by (a) preferential inhibition of COX-2 (IC50 for COX-2 = 80 microg/ml and IC50 for COX-1 = 169 microg/ml), (b) low ratios in the IC50 values of COX-2/COX-1 (0.47), (c) decreased production of NO in LPS-induced peritoneal macrophages and (d) inhibition of 5-LOX (IC50 = 795 microg/ml). BHUx also showed a preference for inhibiting 15-lipoxygenase (IC50 = 44 microg/ml), a key enzyme implicated in LDL oxidation. These studies suggest that BHUx is acting mainly at three levels, i.e., as a potent natural antioxidant, by reduction of key inflammatory mediators of arachidonic acid cascade and by preventing 15-LOX-mediated LDL oxidations, to prevent atherosclerosis.
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We aimed to evaluate therapeutic potential of arjunolic acid (AA), in Terminalia Arjuna bark, on Ehrlich Ascites carcinoma (EAC) in-vivo and in-vitro. EAC was induced in fifty female Swiss albino mice. Two doses of AA was used 100 and 250mg/kg. Arjunulic acid reduced tumor volume and cells count. AA decreased EAC cells viability and increased cell toxicity. Moreover, AA reduced TNF-α, IL-1β, TGF-β, TGF-β type I receptor and latency-associated peptide levels associated with elevated IL-10 in-vivo and in-vitro. In conclusion, AA produced antitumor activity against EAC by increasing cytotoxicity and apoptosis and partially blocking the TGF-βR1 and affecting inflammatory cytokine levels.
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Terminalia trees are being over-exploited because of their medicinal and economical importance leading to loss of valuable genetic resources. For sustainable utilization and conservation, assessment of genetic diversity therefore becomes imperative. We report a comprehensive first study on estimation and analysis of genetic variation through Amplified fragment length polymorphism (AFLP), inter simple sequence repeat polymorphism (ISSR) and random amplification of polymorphic DNA (RAPD) across three species of Terminalia. The study included (i) characterization of genetic diversity at interspecific level, and (ii) comparison of efficiency of the marker systems. That the three species are genetically distinct was revealed by all the three marker systems as unique DNA fingerprints were obtained. This led to identification of several species-specific amplification products. Further analysis helped in species-wise clustering. The species specific bands obtained from the present investigation can be used as diagnostic markers to identify the raw materials for herbal drug preparations for authentication purposes.
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TA (E-OJ-01) significantly increased cardiovascular efficiency and improved the cardiac conditioning in young healthy adults.
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Recently dyes derived from natural sources have emerged as important alternatives to synthetic dyes. A study was initiated in the year 2000 at the RRL (CSIR), Jorhat to extract dyes from parts of five different plant species indigenous to northeastern India. The colour components responsible for dyeing were isolated and their chemical constituents were established based on chemical and spectroscopic investigations. The principal colour components from the species Morinda angustifolia Roxb., Rubia cordifolia Linn. and Tectona grandis Linn. were found to contain mainly anthraquinone moieties in their molecules. Those from the species Mimusops elengi Linn. and Terminalia arjuna (Roxb.) Wight & Arn. contained flavonoid moieties in their molecules. The absorption of dye (%) on fibres increased with increasing concentrations of dye in the dye-bath. Maximum absorption of dyes on fibres was obtained at 3% concentration of dyes obtained from R. cordfolia (35.350%), M. angustifolia (31.580%) and T. grandis (25.888%) and at 4% concentration of the dyes from M. elengi (31.917%) and T. arjuna (12.246%). The K/S values were found to increase with the increase in concentration of mordants. The colour co-ordinates of dyed samples were found to lie in the yellow-red quadrant of the colour space diagram. The dyes obtained from the native plants may be alternative sources to synthetic dyes for the dyeing of natural silk and cotton.
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The effect of a bark extract of Terminalia arjuna (TAE) was studied on the alteration of adriamycin (ADR)-induced micronuclei formation in cultured human peripheral blood lymphocytes. Exposure of lymphocytes to ADR resulted in a dose-dependent increase in the micronuclei formation indicating DNA damage. Pretreatment of lymphocytes with TAE before ADR treatment resulted in a significant decline in micronuclei formation. Increasing doses of ADR caused a dose-dependent increase in the frequency of lymphocytes bearing one, two and multiple micronuclei. Prior exposure of lymphocytes to 15 microg/mL of TAE significantly reduced the frequency of lymphocytes bearing one, two and multiple micronuclei when compared with ADR-treated control. TAE-inhibited the induction of (*)OH (hydroxyl), O2(*-) (superoxide), DPPH (1,1-diphenyl-2-picrylhydrazyl), ABTS(*+) (2,2-azino-bis-3-ethyl benzothiazoline-6-sulphonic acid) radicals in a dose-dependent manner. These results demonstrate that TAE protects DNA against ADR-induced damage.
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The generation of organic-inorganic hybrid materials from renewable resources and their utilization in basic and applied areas has been at the forefront of research in recent years for sustainable development. Herein, a novel organic-inorganic trihybrid material was synthesized by in situ generation of palladium nanoparticles (PdNPs) in a hybrid gel matrix based on renewable chemicals. Constituents of the hybrid gel included a pentacyclic triterpenoid arjunolic acid extractable from Terminalia arjuna and the leaf extract of Chrysophyllum cainito rich in flavonoids. We took advantage of the presence of flavonoid molecules in this hybrid gel to generate an advanced trihybrid gel through in situ reduction of doped Pd(II) salts to stable PdNPs. The xerogel of this trihybrid material was used as a recyclable heterogeneous catalyst for C-C coupling and reduction reactions in aqueous media. We also demonstrated that the in situ generated PdNPs containing trihybrid material was a more efficient catalyst than the trihybrid material generated with presynthesized PdNPs.