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Pharmacognosy Research
An Open Access Journal in Pharmacognosy and Natural Products

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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

Autonomic Receptors and Nitric‑Oxide Involvements in Mediating Vasorelaxation Effect Induced by Syzygium polyanthum Leaves Extract

4 years 1 week ago [comment_count]
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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

The Activity of Immunoglobulin Y Anti‑Mycobacterium tuberculosis on Proliferation and Cytokine Expression of Rat Peripheral Blood Mononuclear Cells

4 years 1 week ago [comment_count]
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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

Antinociceptive and Anti‑inflammatory Effects of Triterpenes from Pluchea quitoc DC. Aerial Parts

4 years 1 week ago [comment_count]
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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)

Effects of Curcuma xanthorrhiza Extracts and Their Constituents on Phase II Drug‑metabolizing Enzymes Activity

4 years 1 week ago [comment_count]
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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)

Antihyperglycemic and Insulin Secretagogue Activities of Abrus precatorius Leaf Extract

4 years 1 week ago [comment_count]
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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

Wound Healing Activity of Silibinin in Mice

4 years 1 week ago [comment_count]
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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

Inhibition of Human Cytochrome P450 2C8‑catalyzed Amodiaquine N‑desethylation: Effect of Five Traditionally and Commonly Used Herbs

4 years 1 week ago [comment_count]
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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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XRF spectra.
Development of Chromatographic Fingerprint Profile and Multi-elemental Analysis of Datura metel L.
A Review on the Utilization of Epicuticular Wax from Plant Samples as a Hydrophobic Surface Coating Agent
A Review on the Utilization of Epicuticular Wax from Plant Samples as a Hydrophobic Surface Coating Agent
Graphical representation of total phenolic content of different extracts.
Phytochemical Insights into Antioxidant and Antimicrobial Potentials Across Five Indian Medicinal Plants

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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The journal is registered with the following abstracting partners:
Baidu Scholar, CNKI (China National Knowledge Infrastructure), EBSCO Publishing's Electronic Databases, Ex Libris – Primo Central, Google Scholar, Hinari, Infotrieve, National Science Library, ProQuest, TDNet, Wanfang Data

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We are pleased to inform you that the Pharmacognosy Research is now covered by Clarivate Analytics (formerly Thomson Reuters) products and services. The journal is indexed and abstracted in Emerging Sources Citation Index (ESCI) since 2017. The ESCI is a new index in the Web of Science Core Collection.

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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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