OOIR: Observatory of International Research

Papers

(The H4-Index of Journal of Natural Products is 27. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2020-04-01 to 2024-04-01.)

Article	Citations
NPClassifier: A Deep Neural Network-Based Structural Classification Tool for Natural Products	130
Anti-SARS-CoV-2 Activity of Andrographis paniculata Extract and Its Major Component Andrographolide in Human Lung Epithelial Cells and Cytotoxicity Evaluation in Major Organ Cell Representative	112
Cannabinoids Block Cellular Entry of SARS-CoV-2 and the Emerging Variants	74
Cannabis Inflorescence for Medical Purposes: USP Considerations for Quality Attributes	71
The Chemistry of Kratom [Mitragyna speciosa]: Updated Characterization Data and Methods to Elucidate Indole and Oxindole Alkaloids	60
Synthetic Biology of Cannabinoids and Cannabinoid Glucosides in Nicotiana benthamiana and Saccharomyces cerevisiae	46
Exploring the Chemistry of Alkaloids from Malaysian Mitragyna speciosa (Kratom) and the Role of Oxindoles on Human Opioid Receptors	44
Ophiobolin Sesterterpenoids and Farnesylated Phthalide Derivatives from the Deep Sea Cold-Seep-Derived Fungus Aspergillus insuetus SD-512	43
Cannabidiol as the Substrate in Acid-Catalyzed Intramolecular Cyclization	42
Inhibitory Effect of Cannabidiol on the Activation of NLRP3 Inflammasome Is Associated with Its Modulation of the P2X7 Receptor in Human Monocytes	42
Dipleosporalones A and B, Dimeric Azaphilones from a Marine-Derived Pleosporales sp. Fungus	38
Natural Products with Potential to Treat RNA Virus Pathogens Including SARS-CoV-2	37
Phytocannabinoid Pharmacology: Medicinal Properties of Cannabis sativa Constituents Aside from the “Big Two”	34
The Oxidation of Phytocannabinoids to Cannabinoquinoids	34
Antifungal Phenols from Woodfordia uniflora Collected in Oman	34
Diuretic and Renal Protective Effect of Kaempferol 3-O-Alpha-l-rhamnoside (Afzelin) in Normotensive and Hypertensive Rats	34
Δ⁹-cis-Tetrahydrocannabinol: Natural Occurrence, Chirality, and Pharmacology	32
l-Tryptophan Induces a Marine-Derived Fusarium sp. to Produce Indole Alkaloids with Activity against the Zika Virus	32
Interlaboratory Comparison of Untargeted Mass Spectrometry Data Uncovers Underlying Causes for Variability	31
Development of an NMR-Based Platform for the Direct Structural Annotation of Complex Natural Products Mixtures	31
Cytotoxic Bromine- and Iodine-Containing Cytochalasins Produced by the Mangrove Endophytic Fungus Phomopsis sp. QYM-13 Using the OSMAC Approach	29
Freshwater Fungi as a Source of Chemical Diversity: A Review	29
Pharmacokinetics of Eleven Kratom Alkaloids Following an Oral Dose of Either Traditional or Commercial Kratom Products in Rats	29
Phidianidine A and Synthetic Analogues as Naturally Inspired Marine Antifoulants	28
Talascortenes A–G, Highly Oxygenated Diterpenoid Acids from the Sea-Anemone-Derived Endozoic Fungus Talaromyces scorteus AS-242	27

Calvatianone, a Sterol Possessing a 6/5/6/5-Fused Ring System with a Contracted Tetrahydrofuran B-Ring, from the Fruiting Bodies of Calvatia nipponica	27
Biologically Significant and Recently Isolated Alkaloids from Endophytic Fungi	27
Isolation, Structure Elucidation, Semi-Synthesis, and Structural Modification of C₁₉-Diterpenoid Alkaloids from Aconitum apetalum and Their Neuroprotective Activities	27
Callicarpins, Two Classes of Rearranged ent-Clerodane Diterpenoids from Callicarpa Plants Blocking NLRP3 Inflammasome-Induced Pyroptosis	27
Natural Isoflavones and Semisynthetic Derivatives as Pancreatic Lipase Inhibitors	27
Antibacterial Drimane Sesquiterpenes from Aspergillus ustus	27
Targeted Isolation of Asperheptatides from a Coral-Derived Fungus Using LC-MS/MS-Based Molecular Networking and Antitubercular Activities of Modified Cinnamate Derivatives	27
Highly Potent Antiausterity Agents from Callistemon citrinus and Their Mechanism of Action against the PANC-1 Human Pancreatic Cancer Cell Line	27