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Pharmacognosy Research
An Open Access Journal in Pharmacognosy and Natural Products

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Effect of Geraniol and Clarithromycin Combination against Gastric Ulcers Induced by Acetic Acid and Helicobacter pylori in Rats
Total phenolic (a) and flavonoid (b) contents in the methanol and ethanol extracts of Leucaena leucocephala pod seed. (*) represent statistically significant values. GAEs: Gallic acid equivalent; QEs: Quercetin equivalent
Active site of SCP‑2 (1PZ4)
Niosmal formulation after centrifugation, (b) niosomal gel formulation and (c) entrapment efficiency (niosomal solution)
 3-Hydroxy-3-methylglutaryl-coenzyme A reductase inhibition of triphala extracts
Pharmacognostic Evaluation of Carapa guianensis Aubl. Leaves: A Medicinal Plant Native from Brazilian Amazon
Chromatographic Profiles, Anti‑inflammatory, and Cytotoxicity Potential of Extracts of Banisteriopsis pubipetala (A. Juss)
Production of Antioxidant Exopolysaccharide from Pseudomonas aeruginosa Utilizing Heavy Oil as a Solo Carbon Source
(a) Effect of the hydroethanol extract obtained from leaves of Solanum stipulaceum (100, 200, and 400 mg/kg) and ranitidine (50 mg/kg) against gastric ulcers induced by ethanol administration
Chemical structure of skimmianine
Curve of retained and passing material from Maytenus obtusifolia leaves dried powder
Antidiarrheal Activity of Some Selected Nigerian Plants Used in Traditional Medicine
Dry seeds of Vigna subterranea landrace
Inhibitory Effect of Salvadora persica (Miswak) against Cigarette Smoke‑induced Mutagenicity and Sperm Abnormalities in Rats
Histological illustration of lymphocytes on the inferior labial mucosa (a) Group A, (b) Group C, (c) Group B, and (d) Group D
Antilipidemic Properties of Calpurnia aurea Leaf Extract on High-Fat Diet Induced Hyperlipidemia
Comparative macro-morphology of W. chinensis, W. trilobata, and E. prostrata
Potent Procoagulant and Platelet Aggregation Inducing Serine Protease from Tridax procumbens Extract
Aspartate aminotransferase, Carbon tetrachloride, Hepatoprotective, Luffa acutangula, silymarin, Wistar rats,
Folin–Ciocalteu total phenolic content assay of Colpomenia sinuosa extracts
Antioxidant Potential of Ethanolic Extract of Canavalia Species in High‑fat Diet and Streptozotocin‑induced Diabetic Rats
Chemical structure of Andrographolide. Molecular formula: C20H30O5. Molecular weight: 350.46 g
Effect of Plain and Fortified Amla Fruit Powder on Aluminum‑induced Alzheimer’s Disease in Wistar Rats
Phytochemical screening showed total phenolic compounds and total flavonoid contents of different extracts from Tri‑Jannarose recipe. Total phenolic compounds were measured with gallic acid equivalents (mgGE/gExt). Total flavonoid contents were measured with quercetin equivalent (mgQE/gExt). Different letters indicated significantly different at P < 0.05
Cytotoxicity activity of Bael leaf extract at various concentrations (0–200 μg/mL) in human hepatocellular carcinoma cells for 24 h and 48 h of incubation. All results are presented as mean ± standard error of the mean of triplicate determinations
Carqueja (Baccharis trimera) Essential Oil Chronic Treatment Induces Ventricular Repolarization Disorder in Healthy Rats but Not in Type 2 Diabetic Rats
The color change of Butea monosperma flower extracts before and after synthesis of nanoparticles
Two Lycopodium Alkaloids from the Aerial Parts of Huperzia phlegmaria
Separation scheme of kaempferol from methanol extract of Blepharis integrifolia and its structure
Structure of Euphol (Euphadienol)
H and E‑stained histopathological sections of liver after 5 weeks of treatment. CV = Central vein, SS = Sinusoids space, H = Hepatocyte, C = Congestion, NC = Necrotic Change, V = Vacuolization
Graphical Abstract
Histopathology of cardiac cells: Normal heart
Dereplicated metabolites from LC-HR-ESIMS analysis of Trianthema portulacastrum and Aizoon canariens different fractions
 Body weight gain curves of Wistar rats treated orally with aqueous extract of Artemisia herba-alba
Erratum: Antihyperglycemic Potential of Saponin‑enriched Fraction from Pithecellobium dulce Benth. Seed Extract
The chemical structures of crocetin glycosides (1–4) and crocetin (5)
Effect of dieldrin and Withania somnifera on (a) acquisition and retention on step‑down latency; (b) acquisition and retention on transfer latency in male rats. Values are expressed as mean ± standard deviation. n = 8 animals in each group.*Significantly different from control Group I and #significantly different from dieldrin Group II (P < 0.001)
Structure of organic acids
The total phenolic content of (a) aqueous and (b) methanolic extracts of medicinal plants (mg GAE/g dw). Data are presented as the mean (standard error of the mean) of triplicates in three independent experiments; GAE: Gallic acid equivalent; dw: Dry weight; *P < 0.05, **P < 0.01, and ***P < 0.001. A. keiskei: Angelica keiskei; A. muricata: Annona muricata; C. odorata: Chromolaena odorata; C. nutans: Clinacanthus nutans; E. hirta: Euphorbia hirta; L. indica: Leea indica
Mount of H2O2 changed under high temperature. The 0 day and 20°C had not altered the H2O2, the high temperature increased the H2O2 remarkably, with a tendency of increases first, then decreases, but still with a higher level than the 0 day. Among them, the 55°C had the highest contents
Molecular structure of p‑coumaric acid (164.16 g/mol)
Chromatogram profiles of the DS extracts by high‑performance liquid chromatography chromatogram at 330 nm. (a) EE, (b) CE, (c) EAE, and (d) AE. DS: Derris scandens; EE: Ethanolic extract; CE: Chloroform extract; EAE: Ethyl acetate extract; AE: Aqueous extract
The effects of orally administered methanolic extract from the Simira grazielae and its partitions (a), and different doses of the ethyl acetate partition (b) on acetic acid‑induced writhing test. In a, the mice received water, vehicle, morphine (5.01 mg/kg), methanolic extract, and its partitions (SGM, SGMAc, SGMB, SGMD, and SGMR‑100 mg/kg). In b, the mice received water and SGMAc (10, 50, and 100 mg/kg). The results are showed as the mean ± standard error of the mean (n = 8). One‑way analysis of variance
Phytochemistry in Medicinal Species of Solanum L. (Solanaceae)
Holothuria atra sea cucumber (a) and ethanol extract of sea cucumber Holothuria atra (b)
Infrared spectra
Kidney section of mice treated with oral pulegone (2 g/kg) showing (a) inflammatory infiltrate cells and (b) hemorrhages (H and E, ×100)

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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
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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’
3’‑hydroxy‑5
4
4-caffeoylquinic acid
4NQO
4‑dinitrobenzene
4‑hydroxyacetophenone
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