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Specialty Journal of Pharmacognosy, Phytochemistry, and Biotechnology

Volume 4, Issue 2 (2024)

Mechanism Claims in Molecular Pharmacognosy Need an Evidence Ladder: Linking Phytochemical Identity, Target Engagement, Pathway Perturbation, and Phenotypic Relevance without Docking Inflation
Downloads: 27
Views: 209
Written by Sara Al-Fahd   Published on Vol 4 Issue 2, 2024
Mechanistic language in molecular pharmacognosy often compresses several distinct evidentiary questions into a single claim: whether the phytochemical entity is correctly identified, whether a molecular target is merely predicted or physically engaged, whether perturbation of that target changes a relevant pathway, and whether the pathway contributes to the observed phenotype. This perspective examines why those questions should remain analytically separate and proposes a graded evidence ladder

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Choosing Between Callus, Suspension Cells, Hairy Roots, and Regenerated Plants for Specialized-Metabolite Production Through Pathway Localization and Cellular Differentiation
Downloads: 27
Views: 197
Written by Youssef Hariri   Published on Vol 4 Issue 2, 2024
Selecting a plant in-vitro production platform is often treated as a practical comparison among biomass growth, metabolite titre, transformability, and scale. That framing is incomplete when specialized-metabolite biosynthesis depends on differentiated cell identity, intercellular pathway partitioning, tissue-specific transport, or developmentally regulated competence. This original comparative decision article evaluates callus, suspension cells, hairy roots, and regenerated plants as biological

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Predicting Useful Microbial Biotransformations of Plant Natural Products by Matching Functional-Group Liability, Enzyme Class, Stereochemical Outcome, and Downstream Value
Downloads: 23
Views: 384
Written by David Osei   Published on Vol 4 Issue 2, 2024
Microbial biotransformation offers access to selective oxidation, glycosylation, halogenation, methylation, amination, and other modifications of structurally complex plant natural products, yet catalytic possibility alone provides a poor basis for choosing useful transformations. A candidate reaction may be chemically plausible but fail because the relevant enzyme does not accept the scaffold, generates an unsuitable regioisomer or stereoisomer, performs differently in a microbial host, produce

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Metabolomic Differences Are Not Automatically Chemotypes: An Evaluation Framework for Separating Genotype, Geography, Phenology, Processing, and Analytical Batch Effects in Medicinal Plants
Downloads: 30
Views: 167
Written by Kristian Eriksen   Published on Vol 4 Issue 2, 2024
Metabolomics can resolve striking chemical differences among medicinal-plant samples, but multivariate separation does not by itself identify the biological meaning of those differences. Similar clustering patterns may arise from inherited variation, population structure, geography, developmental stage, harvest timing, tissue composition, post-harvest processing, or analytical batch effects. This article develops an original evaluation framework for deciding when metabolomic differentiation can

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How Much Structure Has the Spectrum Actually Proven? A Confidence-Graded Workflow for Combining HRMS, NMR, Chiroptical Data, and Biosynthetic Plausibility
Downloads: 24
Views: 250
Written by Mikko Lahtinen   Published on Vol 4 Issue 2, 2024
Natural-product structures are commonly communicated as finished molecular identities, yet the analytical evidence underlying a drawing is heterogeneous in what it can establish. High-resolution mass spectrometry constrains elemental composition and fragmentation-compatible substructures; NMR defines connectivity and, with suitable restraints or calculations, stereochemical relationships; chiroptical methods can support absolute configuration; and biosynthetic reasoning can test chemical coheren

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Sustainable Resupply Should Begin Before Lead Selection: A Resource-Risk Model for Wild Medicinal Plants, Cultivation, Tissue Culture, Semisynthesis, and Heterologous Production
Downloads: 26
Views: 250
Written by Omar Zayed   Published on Vol 4 Issue 2, 2024
Natural products can advance discovery while remaining dependent on biological resources and production routes that are fragile, variable, or incompletely developed. Resupply is therefore not only a downstream manufacturing problem; it can influence whether a chemically or pharmacologically attractive candidate remains developable. This article develops an original translational resource-risk model that brings supply considerations forward to lead selection without treating ecological vulnerabil

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Seeing Phytochemistry in Place: A Scoping Review of Mass-Spectrometry Imaging for Spatial Localization of Specialized Metabolites in Medicinal and Bioactive Plants
Downloads: 33
Views: 237
Written by Wei Zhang   Published on Vol 4 Issue 2, 2024
Conventional extraction-based phytochemical analysis can identify many plant constituents but removes the anatomical context needed to determine where specialized metabolites accumulate, co-occur, or change within medicinal and bioactive plants. Mass-spectrometry imaging (MSI) addresses this spatial gap, although ion images differ substantially in chemical-identification confidence, quantitative meaning, and biological interpretability. This scoping review mapped peer-reviewed Q1 literature publ

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Two Decades of Natural-Product Dereplication Research: A Scientometric Review of Analytical Platforms, Molecular Networking, Databases, and Shifting Discovery Bottlenecks
Downloads: 27
Views: 186
Written by Rafael Mendoza   Published on Vol 4 Issue 2, 2024
Natural-product dereplication was established to reduce repeated isolation of known chemistry, but its practical meaning has broadened as mass spectrometry, molecular networking, public repositories, structure-prediction tools, and specialized databases have become integrated into discovery workflows. This review examines how the intellectual and technological organization of dereplication changed and whether the principal constraint shifted from detecting known compounds toward interpreting and

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Discovery of Nortriterpenoids Derived from Ginsenoside Biotransformation in Sanqi Rhizosphere Soil Using UPLC-MS² and Molecular Networking
Downloads: 23
Views: 166
Written by Sara Al-Fahd   Published on Vol 4 Issue 2, 2024
Species belonging to the genus Panax are highly vulnerable to surrounding environmental conditions and frequently encounter continuous-cropping obstacle (CCO) issues when grown on a large scale. Ginsenosides, which constitute the chief active ingredients in the roots of these plants, function as important allelochemicals that promote CCO. Previous investigations tracked the fate of Panax notoginseng (PN, also called Sanqi ginseng) constituents in rhizosphere soil mainly through LC-based analysis

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The Influence of Panax ginseng on Growth Performance, Innate Immune Responses, and Microbiome Characteristics of Penaeus vannamei
Downloads: 29
Views: 188
Written by Youssef Hariri   Published on Vol 4 Issue 2, 2024
In the field of aquaculture, various feed additives have been investigated. Panax ginseng Meyer, a traditional herbal supplement, has shown promising results across multiple farmed aquatic species. However, studies on its application in Penaeus vannamei, a major aquaculture shrimp species, are still scarce. This research examined the impacts of P. ginseng on P. vannamei, focusing on growth performance, innate immune parameters, and the intestinal microbiome. Juvenile shrimp received standard com

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20(S)-Ginsenoside Rh2 Promotes Apoptotic and Autophagic Cell Death in Melanoma Cells by Inhibiting Src/STAT3 Signaling Pathway
Downloads: 24
Views: 148
Written by David Osei   Published on Vol 4 Issue 2, 2024
20(S)-Ginsenoside Rh2 (GRh2) has been the subject of extensive research due to its wide range of health benefits. Nevertheless, its specific impact on melanoma is still not fully elucidated. The current work examined the anti-melanoma properties of GRh2 along with the underlying mechanisms involved. MTT assays, EdU staining, flow cytometry, cellular thermal shift assay (CETSA), confocal microscopy, molecular docking, molecular dynamics (MD) simulations, immunoblotting, and a B16F10 cell-bearing

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Inhibition of AIM2 Inflammasome-Mediated Macrophage Polarization Underlies the Cardioprotective Effects of Ginsenoside Rg1 in Myocardial Ischemia/Reperfusion Injury
Downloads: 22
Views: 135
Written by Kristian Eriksen   Published on Vol 4 Issue 2, 2024
Myocardial ischemia/reperfusion (MI/R) injury represents a primary etiology of mortality on a global scale, presenting a critical challenge to cardiovascular well-being. Prior research indicates that Ginsenoside Rg1 exerts suppressive effects on inflammatory cascade activation, oxidative stress, and myocardial damage, implying its potential utility as a therapeutic intervention for MI/R injury. Nevertheless, the precise underlying molecular mechanisms require more comprehensive investigation. An

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Activation of TFEB-Dependent Autophagy Underlies the Protective Effects of Polygoni Cuspidati Rhizoma et Radix Extract Against Hepatic Steatosis
Downloads: 20
Views: 178
Written by Mikko Lahtinen   Published on Vol 4 Issue 2, 2024
Hepatic steatosis, a pathological condition defined by the abnormal buildup of lipids within liver tissue, can be mitigated through the upregulation of autophagy. Polygoni Cuspidati Rhizoma et Radix (PCRR), a botanical remedy conventionally prescribed for the management of atherosclerosis, hepatitis, and cholelithiasis, has recently been shown to exert anti-steatotic properties in hepatic environments. Nevertheless, the precise bioactive components and the molecular pathways driving these effect

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A Four-Parameter LC–MS Strategy for Reliable Ligand Screening of Cytochrome c in Herbal Medicines
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Views: 176
Written by Omar Zayed   Published on Vol 4 Issue 2, 2024
Online affinity-based ligand screening utilizing liquid chromatography (LC) integrated with various detection systems is a prevalent strategy for isolating bioactive constituents from herbal medicines (HMs). Nonetheless, the occurrence of false-positive results remains a widespread challenge due to inadequate data documentation regarding the formation and stability of the ligand-protein complex. To address this limitation and enhance the reliability of identified hits, this study developed a pos

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Enhanced Anti-Neuroinflammatory Effects of KIOM-Patented Polygonum multiflorum Root Tuber in LPS-Stimulated BV2 Microglia
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Views: 142
Written by Wei Zhang   Published on Vol 4 Issue 2, 2024
Neuroinflammation constitutes the primary pathological mechanism underlying neurodegeneration, with chronic neuroinflammatory responses driving detrimental secondary damage to neural tissues. Polygonum multiflorum is a traditional Eastern medicinal herb historically utilized as a hematopoietic agent and applied in the management of diverse pathological conditions. The objective of this study was to evaluate and compare the anti-inflammatory efficacy of standard, commercially available P. multifl

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