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Pharmacognosy Research
An Open Access Journal in Pharmacognosy and Natural Products

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Effect of astaxanthin on body weight, food, and water intake in carbon tetrachloride‑induced rats
Prevalence of musculoskeletal disorder and alternative medicine therapies among dentists of North India: A descriptive study
High‑performance liquid chromatography profiling of Pithecellobium dulce saponin‑enriched fraction at 210 nm
Effects of mitragynine and 7‑hydroxymitragynine (the alkaloids of Mitragyna speciosa Korth) on 4‑methylumbelliferone glucuronidation in rat and human liver microsomes and recombinant human uridine 5’‑diphospho‑glucuronosyltransferase isoforms
A procedure to determine global antioxidant response of banana pseudostem and flower
The standard curve of quercetin for measuring total flavonoid content
Arrangement of Ebola viral genome
Chemical constituents of Phragmanthera austroarabica A. G. Mill and J. A. Nyberg with potent antioxidant activity
Chromatographic separation of phytoconstituents of Aegle marmelos (
Chromatographic separation of phytoconstituents of Aegle marmelos (
Seasonal variation in the chemical composition, antioxidant activity, and total phenolic content of Artemisia absinthium essential oils
Earthworm species
Concentration‑response curve for extracts‑induced relaxations in thoracic aorta rings (n = 5) of (a) Wistar‑Kyoto and (b) spontaneously hypertensive rats which were precontracted using phenylephrine (1 µM). Relaxation (%): Percent relaxation (mean ± standard error of mean), AESP: Aqueous extract of Syzygium polyanthum leaves, MESP: Methanolic extract of Syzygium polyanthum leaves. *P < 0.001, extract versus vehicle
Antiproliferative evaluation of terpenoids and terpenoid coumarins from Ferulago macrocarpa (Fenzl) Boiss. fruits
Various concentration of compounds determining the IC50 value against Plasmodium falciparum after 48 h of incubation. Data are the mean value of double‑independent experiments
Reverse transcription‑polymerase chain reaction analysis of interleukin 2 and interferon‑γ expression in rat peripheral blood mononuclear cell treated with immunoglobulin Y anti‑Mycobacterium tuberculosis (0, 25, 50, and 100 μg/mL) for 72 h. Representative result is shown on 2% agarose gel electrophoresis displaying mRNA transcripts of interleukin 2, interferon‑γ, and β‑actin. Lane 1 = control (0 μg/mL immunoglobulin Y anti‑Mycobacterium tuberculosis); lane 2, 3, and 4 = Immunoglobulin Y anti M. tuberculosi
(a) Shoot Apex, (b) Shoot proliferation, (c) Multiple Shoot Formation
Alpha‑amylase inhibitory activity and sterol composition of the marine algae, Sargassum glaucescens
Effect of Wushwush green tea extract on Leishmania parasite
Effects of oral treatment of mice with the vehicle (Ctrl), triterpene compounds‑β‑amyrin, taraxasterol, pseudo‑taraxasterol in a mixture (T), β‑amyrin, taraxasterol, pseudo‑taraxasterol acetates in a mixture (Ta), β‑amyrin, taraxasterol, pseudo‑taraxasterol acetate in a mixture with β‑amyrin, taraxasterol, pseudo‑taraxasterol myristates (Tafe) extracted from Pluchea quitoc DC. aerial parts or indomethacin (Indo) on acetic acid‑induced writhing. The vertical bars indicate the mean ± standard error of the mea
Alpha‑amylase inhibitory activity and phytochemical study of Zhumeria majdae Rech. f. and Wendelbo
Pleiotropic effects of cinnamon
Beliefs, attitudes and self‑use of Ayurveda, Yoga and Naturopathy, Unani, Siddha, and Homeopathy medicines among senior pharmacy students: An exploratory insight from Andhra Pradesh, India
Bioactive compounds from Carissa opaca roots and xanthine oxidase and alpha-amylase inhibitory activities of their methanolic extract and its fractions in different solvents
Effect of Curcuma xanthorrhiza extracts on UDP‑glucuronosyltransferase activity in rat liver microsomes. Values are expressed as mean of relative UDP‑glucuronosyltransferase‑specific activity over control ± standard error of mean for five determinations (n = 5)
Effect of Abrus precatorius leaves methanolic extract (200 mg/kg) and standard drug glibenclamide (5 mg/kg) on body weight in streptozotocin‑induced diabetes model in rats (Data were analyzed by two‑way analysis of variance followed by Bonferroni test (n = 6); #P < 0.001 as compared to naive animals, ***P < 0.001 as compared to diabetes control group at respective time points)
Effect of silibinin on wound healing. Pictorial representation of wound contraction in (a) gel base‑treated (b) Mega Heal gel‑treated and (c) 0.2% silibinin‑treated Swiss albino mice at days 0–14
Primary Lineweaver–Burk plot and secondary plot (inset, slope of Lineweaver–Burk plot vs. inhibitor concentration) for the inhibition of cytochrome P450 2C8‑mediated amodiaquine N‑desethylation by quercetin. Reactions were performed in the presence of amodiaquine at 3 different concentrations (1.5 μM, 4.5 μM, and 7.5 μM) at 0 μM (♦), 5 μM (■), and 10 μM (▲) of quercetin in the presence of cytochrome P450 2C8 recombinant protein (3 pmol/ml) and NADPH system in 100 mM phosphate buffer (pH 7.4), at a final vol
PTLC separation of phytochemicals from K.pinnatum
Mass spectrum showing presence of quercetin (2) in Carissa congesta extract
Anti‑Advanced Glycation End‑product and Free Radical Scavenging Activity of Plants from the Yucatecan Flora
Histogram of total phenolic compound contents in different extracts of bark and leaves from Hymenaea martiana
Titration of rabies virus challenge virus standard was performed in Vero cell line and virus 50% tissue culture infective dose was calculated by Reed–Muench method. The figure log virus titer with R2 value – 0.8555 using GraphPad Prism version 5.0 software
Ferric reducing power of fruit extracts. Butylated hydroxyl toluene was used as a standard. Results represent means ± standard deviation of three experiments. Bars for each plant extract with no superscript letters are significantly different from each other at P ≤ 0.01. Bars for each plant extract with * are significantly different from each other at P ≤ 0.05 (Tukey’s test)
Representative high‑performance liquid chromatography profile of Araticum (Annona coriacea Mart.) hydroethanolic extract. Gallic acid (peak 1), catechin (peak 2), chlorogenic acid (peak 3), caffeic acid (peak 4), coumarin (peak 5), epicatechin (peak 6), rutin (peak 7), quercitrin (peak 8), quercetin (peak 9), and luteolin (peak 10)
Effect of Musa sapientum stem extract on the duration of immobility on forced swim test. **P < 0.001 as compared to control group
Chemical structure of kayeassamin A
Chemical structure of: (a) rosmarinic acid, (b) 3’‑hydroxy‑5,6,7,4’‑tetramethoxyflavon, (c) sinensitin, and (d) eupatorin found in Orthosiphon stamineus extracts
Effect of various concentrations (0.079–5 mg/ml) of aqueous Moringa oleifera leaf and flower extracts on viability of rat derived primary fibroblast cells using 3‑(4,5‑Dimethylthiazole‑2‑yl)‑2,5‑diphenyltetrazolium bromide assay. The percent viability values at various concentrations of extracts were calculated by comparing with control group. 163% increase in cell viability was observed at 5 mg/ml Moringa oleifera flower extract. *, **, and *** stars indicate significance <0.1, <0.05 and <0.01 respectively
Total phenolic content
Effects of G. glauca stem methanol extract (GGSME) on sodium pentobarbital induced sleeping time. (a) Effect of GGSME on the latency of sodium pentobarbital induced sleep; (b) Effect of GGSME on the time of sleep induced by sodium pentobarbital
Homeopathy in Dentistry: Is There a Role?
Dose‑dependent neutralization of edema‑inducing activity of secretory phospholipase A2 (VRV‑PL‑VIIIa) activities by ethanolic extract of Andrographis paniculata. The reaction mixture 30 μl containing VRV‑PL‑VIIIa (5 μg) was incubated for 30 min with increasing concentration of ethanolic extract of Andrographis paniculata (100 μg/ml) of Mangifera indica. Saline (20 μl) injected into the mouse foot‑pad served as control. Data represent ± standard error of the mean for n = 3
Cytotoxic activity of ethanolic gall extracts of Terminalia chebula on buffalo rat liver 3A, MCF‑7, and A 549 cell lines. Extracts were incubated with 105 viable cells at concentrations ranging from 0 to 1000 μg/ml for 48 h. Cell viability was determined by the MTT method
Hepatoprotective and Cytotoxic Activities of Abietic Acid from Isodon wightii (Bentham) H. Hara
Antidiarrheal effect of the CH-EtOH extract in the castor oilinduced diarrhea model in mice (n = 6). (a) Percentage of defecation frequency and (b) percentage of liquid stool. Columns and vertical bars represent the percentage of the mean and standard error of the mean, respectively. One-way ANOVA followed by Bonferroni test, **P < 0.001 (saline vs. loperamide/extract)
Brine shrimp lethality test of Terminalia chebula leaf gall extracts
Infrared studies of curculigo samples in vitro 1‑Zenk + 4 ppm of nickel (4‑week‑old) 2‑ Zenk +; 3 ppm chromium (6 weeks); 3‑Zenk + tyrosine 5 mg/100 ml; 4‑ standard of curculigoside. Graphs showing the similar pattern of peaks in all samples and comparable to standard compound of Curculigo orchioides

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Plant Habitat and close view of Punica granatum L.
Microscopical Investigation of Punica granatum L. Flower: A Traditional Drug with Vivid Therapeutic Promise
Apr 14, 2025 - 14:15
FTIR analysis of aqueous leaf extract of Hildegardia populifolia
FTIR Analysis, Total Phenolic Content, Antioxidant and Antidiabetic Activities of Hildegardia populifolia (Roxb.) Schott and Endl. (Malvaceae)
Apr 11, 2025 - 14:29
Mechanism of action of Guan-Xin-Er-Hao (GXII) and hydroxysafflor yellow A (HSYA) in ameliorating atherosclerosis in ApoE−/− mice involves antioxidant and anti-inflammatory effects. The figure illustrates the antioxidant and anti-inflammatory mechanisms of Guan-Xin-Er-Hao and Hydroxysafflor Yellow A. By balancing antioxidant enzymes and MDA production; they reduce Reactive Oxygen Species (ROS); thereby alleviating endothelial dysfunction and oxidative stress. ROS-induced inflammation increases VCAM-1 express
Synergistic Effects of Guan-Xin-Er-Hao and Hydroxysafflor Yellow A on Atherosclerosis in ApoE-/- Mice: Unveiling Antioxidant and Anti-Inflammatory Mechanisms
Apr 9, 2025 - 17:11
Isolation of components by column chromatography.
Isolation, Characterization and Structural Elucidation of a Bioactive Flavonoid from Schinus polygama Leaves Using Chromatographic and Spectroscopic Techniques
Apr 9, 2025 - 16:49
More
GRAPHICAL ABSTRACT
Traditional and Herbal Medicines: Opportunities and Challenges
Changes in Plasma glucose concentrations of Diabetic rats treated with different concentrations of CAF and CHF.
Crassocephalum crepidioides (Asteraceae) Benth S. Moore Leaves Fractions Attenuate Dyslipidemia and Atherogenic Indices in Diabetic Rats
5EWJ receptor structure.
In silico and Biological Screening of Phytochemicals against NMDA Receptor for Alzheimer’s Disease Therapeutics

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Pharmacognosy Research (Pharmacogn Res.)

[ISSN: Print -0976-4836, Online - 0974-8490] [http://www.phcogres.com], It provides peer-reviewed original research articles from the field of Natural Products. The journal serves an international audience of scientists and researchers in a variety of research and academia by quickly disseminating research findings related to Medicinal Plants and Natural Products.

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Tags

(+)-Catechin
(-)-Epicatechin
1
1- diphenyl-2-picrylhydrazyl
1-diphenyl-2-picryl-hydrazil); Ferric Reducing Antioxidant Power
1-diphenyl-2-picrylhydrazyl-radical scavenging assay
10‑di‑epi‑Cubenol
12-didehydroandrographolide
12‑epilycodoline N‑oxide
14-deoxy-11
14-deoxyandrographolide
15-lipoxygenase inhibitory activity
16S ribosomal RNA
16S rRNA
18S Ribosomal ribonucleic acid
1H‑NMR
1‑chloro‑2
1‑Diphenyl‑1‑picrylhydrazyl
1‑diphenyl‑2‑picrylhydrazyl
1‑Diphenyl‑2‑picrylhydrazyl
1‑diphenyl‑2‑trinitrophenylhydrazine scavenger
2
2-Benzenedicarboxylic acid diisooctyl ester
2-diphenyl-1-picrylhydrazyl
2-diphenyl-1-picrylhydrazylDPPH
25‑dien‑3‑ol.
2‑diphenyl‑1‑picrylhydrazyl
2‑diphenyl‑1‑picrylhydrazyl radical
2’ azino bis (ethylbenzthiazolene‑6‑sulfonic acid) radical cation assay
2’‑azino‑bis (3‑ethylbenzothiazoline‑6‑sulfonic acid)
2’‑Diphenyl‑1‑picrylhydrazyl
3
3 (4
3 β-taraxerol.
3(4
3-(4
3-dimethyl
3CLPRO
3T3-L1
3T3‑L1
3T3‑L1 cell lines
3‑(4
3‑(S)‑hexahydroxydiphenoyl‑D‑glucose
3’
3’‑hydroxy‑5
4
4-caffeoylquinic acid
4NQO
4‑dinitrobenzene
4‑hydroxyacetophenone
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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License. Last updated: 01/06/2021