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Pharmacognosy Research
An Open Access Journal in Pharmacognosy and Natural Products

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Graph showing the heart rate regulation induced by M. pudica methanol extract.
Inhibitory activity of oregano oil against organisms tested.
Fatty Acid Profile and Antimicrobial Activity of Oils Extracted from Seeds of Oleaginous Plant Species
Leaves and rootbark Morphological features of L. lanceolata.
Anti-arthritic Potential of Aqueous and Ethanolic Extracts of Euphorbia helioscopia on Adjuvant-induced Arthritis in Rats
Antinociceptive effect of Brassica campestris leaves extract in rats in the formalin test.
Three-dimensional illustration of the Hepatitis C viral -polymerase (PDB-3MWV)
Effect of BTMP on Nitric Oxide.
Patterns of Caffeine Consumption in Western Province of Saudi Arabia
Histology photographs of excision wound model collected from different groups of rats on different days. (Magnification 10×) A) Control, B) Standard (framycetin), C) Poly herbal gel (PHG) treated (scale 100.0 pixel) α –sebaceous gland; β- epidermis; ©- granulated tissue; # -collagen.
TEM micrographs showing (a) untreated cell showing intact plasma membrane (PM), evenly distributed chromatin (EC), intact nuclear membrane (NM), (b) NGN treated cell showing nuclear fragmentation (NF), chromatin condensation (CC), vesicle formation (V), membrane blebbing (MB) and apoptotic bodies (AP).
Description of the wound site. Santa Maria Faculty, Cajazeiras, 2018.
3-dimensional interactions of ligands with receptor NADPH Oxidase.
Comparative analysis of antifungal activity of Cymbopogon citratus essential oil stored in different temperature and storage conditions.
Various properties of Ayurveda medicine and its effect on COVID-19.
UV-Vis spectrum of T. cordifolia extract, TC-SeNPs, and Selenious acid.
Chromatogram of sample (syrup).
Effect of various extracts obtained from C. viscosa on the percentage of GDRI.
Contour plot and (A1) Surface plot of output % cholesterol esterase inhibition vs. Power (W), Time (sec) (B) Contour plot and (B1)
GC-MS analysis of alcoholic leaf extract of Clerodendrum phlomides
Cytotoxicity assay by MTT. (n = 3)
Schematic representation of pharmacognostical standardization of Marsilea quadrifolia L.
HPLC profile of total alkaloids extract from stem barks of M. ciliata.
Effect of M. oleifera extract on serum testosterone level in STZinduced diabetic rats.
Habitat of J. nana var. bengalense
Photomicrographs (X 400) of C. deodara powdered drug showing microscopic characteristics. (a)Medullary
The effect of Im-CAE, Ma-CAE and Ag-CAE extracts on the cell viability (A) and NO production of RAW264.7 cells in the presence of LPS (B).
Histopathology of female organs.
Effect of EESM oral administration on (A) leukocyte migration x 106 cells/cavity, (B) proteins (mg/ml) induced by intrapleural injection of
Reducing power potency of aqueous and alcoholic extract of F. infectoria.
XRF spectra.
High-performance liquid chromatography chromatogram of active compounds in Benjakul extracts, (A) Standard (B) Benjakul extract.
GRAPHICAL ABSTRACT
Structures of isolated compounds of Hydnophytum formicarum Jack.
Isolation, Simultaneous Quantification of Taxifolin and Taxifolin-3-O-rhamnoside and Validation by RPHPLC
Comparative Macroscopic and Microscopic Characterization of Raw Herbal Drugs of Abrus precatorius L. and Glycyrrhiza glabra L.
Flow chart of participants.
Ferric Reducing Antioxidant Power (FRAP) of Caralluma dalzielii. AAE: Ascorbic acid equivalent.
Giemsa staining of enteric pathogenic bacteria on Vero cells after being treated with the ethanolic extract of green tea combined with G. cowa, green tea extract and G. cowa extract, respectively, and comparing with the untreated control. Adhesion of bacteria on Vero cells observed under oil immersion microscope (100X) after staining with Giemsa stain.
Pharmacological Evaluation of Green Chilli in Alzheimer’s Disease
Plant material of T. pallida Brandis a) Plant leaf b) Leaf powder.
The absorbance curves of different algae extracted by UM method. (a) Wuxi sample (b) Cultured algae (c) Seaweed (d) Spirogyra (e) Changzhou sample.
2D representation of the 831 molecule (left), and the 3D representation coupled to 1PZ4 (right).
Anxiety-related behavior of rats in the elevated plus-maze test (EPM) on day 21 of experimentation (n=05).
The effect of MCP-methanol (1), ECP-ethanol (2), and EACP-ethyl acetate (3) extracts of Crinum pedunculatum on the change in rectal temperature (A) and total decrease in temperature (B) (calculated as AUC) on brewer’s yeast-induced pyrexia. ***P< 0.001, ****P<0.0001 relative to the control (One way ANOVA followed by Dunnett’s multiple comparison test).
Result of molecular docking using the Autodock program for a) reticuline; b) galantamine.
Possible sites for preventive consequences post-infection
Photomicrography of left femur of OVX+Test2 group

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Gallic Acid Calibration Curve for Total Phenolic Content.
Phytochemical Analysis and Tissue Restoration Activity of Nelumbo nucifera Extract
Sep 29, 2025 - 14:49
Harvested Plants of Piper longum.
Comparative HPTLC Analysis of Piperine Content in Roots of Piper longum L. Cultivated with Bio Formulations
Sep 29, 2025 - 14:45
Corrigendum: Anti-quorum Sensing Potential of Adenanthera pavonina
Corrigendum: Anti-quorum Sensing Potential of Adenanthera pavonina
Sep 28, 2025 - 19:29
A Decade of Research on Plant-Based Anticancer Compounds: A Scientometric Analysis
A Decade of Research on Plant-Based Anticancer Compounds: A Scientometric Analysis
Sep 28, 2025 - 19:26
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In vitro release profiles of dexamethasone-loaded S-GNPs compared to free dexamethasone in phosphate buffer solution (pH 7.4) at 37°C, presented as mean ± SD (n = 3), highlighting the sustained release behavior of the nanoparticle formulation.
Green Synthesis of Gold Nanoparticles Using Sphaeranthus amaranthoides: Drug Loading and Anticancer Properties in Nanomedicine
Effect of methanolic extract of Lagenaria siceraria (Molina) Standley fruits on marble-burying behavior in mice: Implications for obsessive-compulsive disorder
Effect of methanolic extract of Lagenaria siceraria (Molina) Standley fruits on marble-burying behavior in mice: Implications for obsessive-compulsive disorder
 Effect of Vitex negundo leaf oil on paw edema
Vitex negundo Inhibits Cyclooxygenase-2 Inflammatory Cytokine-mediated Inflammation on Carrageenaninduced Rat Hind Paw Edema

About

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.

It is a peer reviewed journal aiming to publish high quality original research articles, methods, techniques and evaluation reports, critical reviews, short communications, commentaries and editorials of all aspects of medicinal plant research. The journal is aimed at a broad readership, publishing articles on all aspects of pharmacognosy, and related fields. The journal aims to increase understanding of pharmacognosy as well as to direct and foster further research through the dissemination of scientific information by the publication of manuscripts. The submissions of original contributions in all areas of pharmacognosy are welcome.

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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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