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Pharmacognosy Research
An Open Access Journal in Pharmacognosy and Natural Products

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High‑performance thin layer chromatography fingerprint of Woodfordia fruticosa samples and ellagic acid standard with solvent system A. (a) At ultraviolet 254 nm; (b) at ultraviolet 366 nm; (c) after spraying with 5% methanolic FeCl3 reagent. 1: Hyderabad, Telangana, sample of Woodfordia fruticosa flowers; 2: Bangalore, Karnataka, sample of Woodfordia fruticosa flowers; 3: Nahan, Himachal Pradesh, sample of Woodfordia fruticosa flowers; 4: Standard ellagic acid
Structural elucidation of chemical constituents from Benincasa hispida seeds and Carissa congesta roots by gas chromatography: Mass spectroscopy
Map of Al Bahah region
Are herbal mouthwash efficacious over chlorhexidine on the dental plaque?
Chemical structure of compounds isolated from Excoecaria lucida Sw leaves
Gastrointestinal protective efficacy of Kolaviron (a bi‑flavonoid from Garcinia kola) following a single administration of sodium arsenite in rats: Biochemical and histopathological studies
In vitro cytotoxicity of ajwain essential oil ajwain oil of different concentration (4–0.1mg/ml) was added in vero cell line for 3-(4, 5-dimethylthiazol-2-yl)-2, 5-diphenyltetrazolium bromide based cytotoxicity assay. Cytotoxic concentration value was found to by 1 mg/ml and percent cytotoxicity is represented by logamathic method by graph pad prism v5.0 software
Inhibitory effect of Thymelaea hirsuta (TH) extracts on the paw diameter in complete Freund’s Adjuvant (CFA)-induced arthritis. Experimental arthritis was induced in the left footpad of each rat by a s.c. injection of with 0.2 mL of CFA. Rats in the test groups were treated with the extract of TH (500 mg/kg body weight p.o.) every day for 21 days after the CFA challenge. The control group received normal saline (3 ml/kg body weight p.o.), while the third group received the diclofenac (10 mg/kg body weight p
Study of colouring effect of herbal hair formulations on graying hair
Histopathological observations of spleen, liver, and kidney of mice after subchronic treatment with aqueous extract of Caralluma europaea (H and E stain, ×400)
Nucleotide and deduced amino acid sequence of Phaseolus vulgaris L. calmodulin cDNA (GenBank Accession No: JX869966). An open reading frame (ORF) and noncoding regions are shown in capital and small letters, respectively. The deduced amino acid sequence is given below the nucleotide sequence, which is numbered at both ends of each sequence line. The ORF encodes for a protein containing 149 amino acid residues. Initiation and termination codons are shown in green and red colour, respectively; *represents sto
Chemopreventive effect of methanolic extract of Azadirachta indica on experimental Trypanosoma brucei induced oxidative stress in dogs
Kharekhasak (Tribulus terrestris Linn.) fruit
Quantitative analysis of the nutritional components in leaves and seeds of the Persian Moringa peregrina (Forssk.) Fiori
Antiproliferative effects of annonacin on endometrial cancer cells
Extraction and elemental analysis of Coleus forskohlii extract
Effect of cumulative concentrations of Teucrium polim extract (1, 2, 4 and 8 mg/ml) on PE (10−6 M) (a) and KCl (6 × 10−2 M) (b) precontracted rat aortic rings with (+E) or without (−E) endothelium
Nucleotide and deduced amino acid sequence of Phaseolus vulgaris L. alcohol dehydrogenase cDNA clone (Accession No: KF569659). Open reading frame (ORF) and 3’non-coding region of the cDNA is shown in capital and small letters, respectively. Amino acids are represented by a single letter codes; both, nucleotide and deduced amino acid sequence is numbered at both ends of each sequence line. The ORF encodes for 371 amino acid residues. Amino acid residues are numbered beginning with the initial Methionine (M)
Review of clinical studies of Polygonum multiflorum Thunb. and its isolated bioactive compounds
Iron chelating activity of the extract and subfractions of Euphorbia splendida
Cassia fistula Linn: Potential candidate in the health management
Schematic diagram represents treatment protocol
Pterodon emarginatus, sucupira tree, native of the Brazilian Savannah (“Cerrado”)
Cytotoxicity of chloroform extract against Ehrlich’s ascites carcinoma cell line
Map showing the position of Sangurur in Elgeyo Marakwet County and Kenya
MCF cells without standard or test substances
Comparison of weekly-fed blood glucose
Effect of Annona squamosa extract (RM606) on lipid accumulation
 Effect of UNIM-301 treatment on carrageenan-induced paw edema in rats. Difference between initial paw volume and paw volume at observation points post-carrageenan administration was considered to be an increase in paw volume (depictive of paw edema). Each bar represents the mean ± SE of 6 animals. Statistical analysis by one-way ANOVA followed by Dunnett’s multiple comparison (*P < 0.05, **P < 0.01)
Effect of Capsaicin on Pharmacodynamic and pharmacokinetics of Gliclazide in Animal models with Diabetes
Isolation, structural characterization and in silico drug‑like properties prediction of a natural compound from the ethanolic extract of Cayratia trifolia (L.)
8.0% polyacrylamide gel electrophoresis polymerase chain reaction products amplified with the Equids-specific primer
High‑performance liquid chromatography chromatogram for resveratrol of the products used in this study
Serum Total Aantioxidant Capacity in Oral Carcinoma Patients
(a) E. cinerea (Boiss.) Hedge and Lamond (picture of author), (b) E. platyloba DC (picture of author), (c) E. orientalis Hedge and Lamond (35), (d) E. sibthorpiana Guss (36)
Lesions in the stomach of rats
Free radical scavenging activity of aqueous and methanol extract of leaf galls of F. glomerata. ascorbic acid is included as positive control. Activity was measure by the scavenging of DPPH radicals and expressed as percent inhibition. Each value is expressed as the mean ± standard deviation
Optimized HPLC chromatogram of costunolide (a) Blank (b) Standard (c) Sample
 Structure of isolated compound
GC‑MS analysis of bioactive compounds in the methanol extract of Clerodendrum viscosum leaves
Nitric oxide radical scavenging activity
In vitro antioxidant and free radical scavenging activity of four Alkanna species growing in Iran
Psidium guajava (PG) ameliorates preferential intake of fructose over pellet food in rodents. Over 8 week study period, (a) average weekly food intake was significantly reduced in fructose drinking rats (FDR) group as compared to control, (b) average weekly fructose intake was significantly reduced in PG2 group as compared to FDR, (c) total calorie consumption in the various groups was not significantly different, but the fraction of calories preferentially derived from fructose was highest in FDR and lowes
X‑ray crystal structure of human carbonic anhydrase‑II in co‑complex with furosemide (PDB ID: 1Z9Y)
Anti‑diabetic effects of ethanol extract of Bryonia laciniosa seeds and its saponins rich fraction in neonatally streptozotocin‑induced diabetic rats
Effect of study groups on mean paw thickness against various phlogistic agents; results are presented as mean (standard deviation)

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Chromatogram of GCMS of Eranda moola Niruha basti
GC-MS Analysis of an Ayurveda Formulation Erandamula Niruha Basti (Medicated Therapeutic Enema)
Jun 27, 2025 - 10:54
Morphological and anatomical features of Cajanus scarabaeoides leaf. (a) Habit of the Cajanus scarabaeoides showing pinnately compound leaves. (b) Transverse section of the leaf showing internal anatomy including epidermis, mesophyll, vascular bundles, and glandular trichomes. (c) Vein islet and veinlet termination pattern observed in a cleared leaf preparation. (d) Surface view of the lower epidermis showing paracytic stomata. (e) Microscopic view showing a unicellular trichome emerging from the epidermal
Pharmacognostical and Phytochemical Screening of Leaves of Cajanus Scarabaeoides (L.) Thouars
Jun 24, 2025 - 23:13
The in vitro Antioxidant Activity of OREE and ORNHEX. Data are mean±SEM (Each experiment has triplicate values). EE-Ethanolic extract; nHEX-n Hexane extract; AA-Ascorbic acid; GA-Gallic acid
Phytochemical Extraction, Screening, GCMS Analysis and Antioxidant Properties of Ophiorrhiza recurvipetala
Jun 24, 2025 - 23:10
Structure of diosgenin
Development and Validation of an HPLC Method for Diosgenin, A Bioactive Compound in the Rhizomes of Chamaecostus cuspidatus
Jun 24, 2025 - 23:05
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Comparative summary of analytical tools employed to identify adulterants in herbal drugs
Adulteration in Herbal Medicines: A Comprehensive Review on Types, Detection, and Health Impacts
Morphology of Flower.
Unveiling the Phytochemical Profile and Therapeutic Benefits of Solanum xanthocarpum: A Systematic Review
GRAPHICAL ABSTRACT
Traditional and Herbal Medicines: Opportunities and Challenges

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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.

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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(+)-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’
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4-caffeoylquinic acid
4NQO
4‑dinitrobenzene
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