OOIR: Observatory of International Research

Papers

(The TQCC of Records of Natural Products is 1. 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 2022-08-01 to 2026-08-01.)

Article	Citations
(8S, 9R)-Dihydroisoflavipucine, a New Isoflavipucine Derivative from the Endophytic Fungi Botryosphaeria dothidea	15
Asperaldehyde, A New Conjugated Compound from the Marine-Derived Fungus Aspergillus sp. LPFH-6	11
Plagranline A, a Novel β-carboline and the First Alkaloid Isolated from Platycodon grandiflorus	11
Streptolactone A, A New Antibiofilm Lactone Derivative from Streptomyces sp. A31	11
Aspilactonol J: A New Cytotoxic Polyketide Isolated from the Marine-Derived Fungus Aspergillus sp. w2-13	10
Two Polyoxygenated Bipyrrole Alkaloids from Speranskia tuberculata	10
Saganhaematenones: Novel Bioactive Natural Products, Derived from Haematococcus (Chlorophyceae) dSgH-K1 Strain, that Inhibit Angiotensin-Converting Enzyme	9
Nicocembranoside A: A new neuroprotective cembrane glycoside from Nicotiana tabacum L.	8
Germicidin T: A new trimethyl-substituted α-pyranone fromthe Mangrove-derived Streptomyces ardesiacus GXIMD 03502	7
Windienoic acid, a new compound from themedicinal plant Wikstroemia indica	7
A New Lupane-type Triterpene from the Roots of Ampelopsis grossedentata	6
Phytosteroids from Roots of Psammosilene tunicoides W.C.Wu et C.Y.Wu	6
First 6, 7-Seco-Clerodane Furan Diterpenoid from Croton morifolius	5
Chemical Composition, Antibacterial, Synergistic Antibacterial and Cytotoxic Properties of the Essential Oil from Gelsemium elegans (Gardner & Champ.) Benth.	5
Isolation of flavonoids from the selected Trigonella species	5
Butanedioic Acid Benzyl Ester Glycosides from Pleione bulbocodioides (Franch.) Rolfe: Promising Fungicide Against Phoma herbarum	4
Delving into the phytochemical constituents and biological activities of Scorzonera coriacea extracts: new perspectives from in vitro and in silico studies	4
Chemical Compositions of Essential Oils from German, Roman, and Chinese Chamomile Flowers and Their Biological Activities against Three Economically Important Insect Pests	4
Phytochemistry and Pharmacology of Genus Cercis: A Review	4
Anti-inflammatory Diterpenoid Alkaloids from Aconitum taipeicum	4
Bromophenols from the Marine Red Alga Symphyocladia latiuscula and Their Radical Scavenging Activity	4
Peniciloxatone A, a New Polyoxygenated Ergostane Steroid Isolated from the Marine Alga-Sourced Fungus Penicillium oxalicum 2021CDF-3	4
Review on the Biological Activities and Phytochemistry of the Genus Satureja	4
A New Butoxy Substituted Indolediketopiperazine from the Marine Derived Fungus Aspergillus sp. 66may	3
Coumarins from the Dichloromethane Root Extract of Heptaptera triquetra and Their Cytotoxic Activities	3

Protective Effect of Syzygium jambos (L.) Leaf Extract and Its Constituents Against LPS-induced Oxidative Stress	3
Two Cationic Indole Alkaloids from Ophiorrhiza japonica and Their Xanthine Oxidase Inhibitory Activity	3
Editorial	3
Psammosaponin G1, an undescribed oleanane-type triterpenoid saponin from the roots of Psammosilene tunicoides	3
Diterpenoids from the Seeds of Euphorbia Lathyris and their Cytotoxic Acitivity	3
Essential Oil Composition and Antibacterial Activity of Trixis michuacana Lex. var. michuacana and Trixis michuacana var. longifolia	3
Editorial	3
	3
Secondary Metabolites from the Coral-Derived Fungus Aspergillus terreus SCSIO41404 with Pancreatic Lipase Inhibitory Activities	3
Anti-inflammatory Benzofurans from the Heartwood of Dalbergia cochinchinensis Pierre ex Laness	3
A New Chromanone Derivative from Calophyllum inophyllum Resin and Its Antibacterial Activity	3
Mannodaidzein, a rare daidzein mannoside isolated froma rare actinomycete Saccharothrix sp. JS2	3
A New Alkaloid from Ormosia hosiei Hemsl. et Wils	3
A new antifungal α-pyrone secondary metabolite isolated fromthe tobacco-derived fungus Aspergillus aculeatus Aa-1	3
Insight into Chemical Composition and Anti-inflammatory Activities of Essential Oil from Flowers, Leaves and Vine Stems of Cissampelopsis volubilis Miq.	3
Editorial	3
A new chapter, 20th year	3
A Review on Medical Plants of Genus Siegesbeckia: Phytochemical and Pharmacological Studies	3
Essential Oil Constituent, Antimicrobial Activity, and Mosquito Larvicidal Activity of Murraya glabra (Guillaumin) Swingle from Vietnam	2
Biological Activities of the Natural Coumarins from Apiaceae Plants	2
A New Lignan from the Herbaceous stems of Ephedra intermedia Schrenket C. A. Meyer.	2
Antibacterial Evaluation of Matricaria recutita L., Achillea millefolium L. Essential Oil and Tetracycline Combinations in Respect to in vivo Toxicity Data¥	2
Three Rare Furan Derivatives Transformed from Secoiridoids were Isolated from the Roots of Gentiana macrophylla	2
Two Polyoxygenated Bipyrrole Alkaloids from Speranskia tuberculata	2
Comparative Anti-dengue Activities of Ethanolic and Supercritical Extracts of Lippia origanoides Kunth: in-vitro and in-silico Analyses	2
An Undescribed Zhepiresionol Analogue from Ailanthus altissima	2
A New Polyketide Derivative from the Nicotiana tabacum Symbiotic Fungus Aspergillus japonicus TE-739D	2
Anti-phytopathogenic chlorinated azaphilone fromChaetomium sp. FJJ-88 cultured by extract of host Fokienia hodginsii	2
Schisantherin B: Review of Its Preparation, Biological Activities, Pharmacokinetics Analysis and Content Determination	2
Phytochemical Variations in Ocimum basilicum L. Cultivars: Essential Oil Composition and Multivariate Chemotype Differentiation	2
Beyond the Traditional Applications of Raspberry (Rubus idaeus) Leaf: An in vitro, in vivo and in silico Study	2
Sesquiterpenes from theLeaves of Dalbergia odorifera	2
A New olefin Derivative from Ficus esquiroliana Levl.	2
Traditional Uses, Phytochemistry and Pharmacological Activities of Tradescantia spathacea-X	2
Psammosilenin C, a New Cyclic Peptide from Psammosilene tunicoides	2
A New Acyclic Compound from the Medicinal Plant Tinospora sinensis	2
An experimental and in silico study on the antifungal activity of guaianolides isolated from Centaurea polypodiifolia Boiss. against resistant Candida strains	2
Integrated Analysis of Vietnamese Illigera trifoliata ssp. cucullata (Merr.) Kubitzki), Leaf and Stem Essential Oils by GC-FID/GC-MS and 13C NMR	2
Callignan A, A New Neolignan from the Leaves of Callicarpa kwangtungensis	2
A New Triterpenoid Saponin Isolated from Zornia diphylla	2
Chemical Composition and Evaluation of the Antibacterial, Synergistic Antibacterial, Antioxidant and Cytotoxic Activities of the Essential Oil of Macrothelypteris torresiana (Gaudich.) Ching	2
Heptaelliptoic Acid A, a New Betulinic Acid Saponin from the Leaves of Heptapleurum ellipticum	2
A New Aporphine Alkaloid from Litsea glutinosa to Attenuate Palmitate Induced Viability in MIN6 Cells	2
	2
A New Ascochlorin Glycoside from Brittlestar-derived Fungus Acremonium sp. and Its Biological Activities	2
Quantification of Secondary Metabolites of Satureja pilosa (Lamiaceae) by LC-HRMS and Evaluation of Antioxidant and Cholinergic Activities	2
Three New Chemical Constituents of Dryopteris crassirhizoma Nakai in Lianhua Qingwen Capsule and Investigation on Their Antiviral Potential Based on 3CL Hydrolase of SARS-CoV-2	2
Euphebranone F, a new acetophenone derivative fromthe Euphorbia fischeriana	2
	2
Two New Diketopiperazine Alkaloids from a Deep-soil Derived Fungus Penicillium simplicissimum GZWMJZ-1612	2

A New Lignan from the Leaves and Stems of Melaleuca bracteata F. Muell.	2
Chemical Constituents from The Leaves and Twigs of Magnolia Decidua	2
Differentiation of Achillea millefolium, A. crithmifolia, and A. nobilis through Analysis of Volatile Constituents using HS-SPME-GC/MS and Chemometric Techniques	1
Secondary metabolites and antibacterial activity of <i>Penicillium radulatum</i> 12-4, a soil-derived fungus from Shennongjia	1
Identification of phyto-immunomodulators of CD8A and PTPRC from <i>Schinus molle</i> as potential therapeutics of chronic chagasic cardiomyopathy via integrative transcriptomics and molecu	1
A New Megastigmane Glycoside and Other Constituents from Amomum muricarpum Elmer	1
A New Lignan with Potential Anti-inflammatory Activity from Notopterygium incisum	1
Bioactive compounds from the cultured lichenmycobiont of Nigrovothelium inspersotropicum	1
	1
Essential Oil of Satureja montana L. from Herzegovina: Assessment of Composition, Antispasmodic, and Antidiarrheal Effects	1
A new 8-O-4′-neolignan glycoside with anti-inflammatory activity from Ailanthus altissima	1
Eupatorione A, an Unusual Sesquiterpenoid from the Aerial Parts of Eupatorium adenophorum	1
Evaluation of Therapeutic role of Thymus capitatus (L.) Hoffm. & Link, Origanum dubium Boiss. Essential Oils and Their Major Constituents as Enhancers in Cancer Therapy	1
Allium hookeri Enhances Muscular Endurance of Mice by Increasing Muscle Cross-Sectional Area	1
An Updated Review of Research into Carvacrol and Its Biological Activities	1
	1
Protective Effects of Origanum onites and Its Components on Lead-Nitrate Induced Genotoxicity in Root Cells of Allium cepa L.	1
Uvaol-28-D-(R)-pyroglutamic acid ester: a new triterpenoid compound from Circinellamuscae CGMCC 3.2695 and its activity assessment in transgenic zebrafish	1
Evaluation of Essential Oil Components in Genetically Modified Poaceae Plants: A Comparative Study of Their Whitening and Antioxidant Activities In Vitro	1
Phytochemical Characterization, Antifungal Activity and Docking Investigation of The Isolated Compounds from Lippia callicarpifolia	1
Terpenes from the Fresh Stems of Commiphora gileadensis with Antimicrobial Activity	1
Two New Spirostanol Glycosides from the Roots and Rhizomes of Helleborus thibetanus Franch.	1
A New Clerodane-type Diterpene from Conyza blinii Levl.	1
Chemical Composition and Antimicrobial Activity of Essential Oils Obtained from Inula germanica L.	1
Structure Characterization and Anti-tumor Activity of Polysaccharides from Rohdea chinensis	1
Vilmorinine G, a new quassinoid from Ailanthus altissima	1
Hengshanols F and G, two new acylphloroglucinols from <i>Hypericum hengshanense</i>	1
Todasinoid A, a New Eremophilane-type Sesquiterpene from the Plant Toddalia asiatica	1
Inhibition of the NLRP3 inflammasome by Callinudin A: A novel 3,4-seco-labdane diterpenoid derived from Callicarpa nudiflora	1
A Novel Polyketide from the Endophytic Fungus Aspergillus puniceus	1
Currephila A, a New Chromanol Derivative from the Endophytic Fungus Curreya pityophila	1
Degranulation Inhibitors from Petals of Coreopsis grandiflora	1
Analysis of Phenolic Compounds by LC-HRMS and Determination of Antioxidant and Enzyme Inhibitory Properties of Verbascum speciousum Schrad	1
Anti-inflammatory Continents from the Heartwood of Dalbergia melanoxylon	1
A New Monoterpene Rhamnoside from Cercis glabra Legumes	1
A New Megastigmane Glycoside and Anti-Inflammatory Bibenzyls from the Stems of Dendrobium henanens	1
Penioxalone A: A new isocoumarine derivative fromPenicillium oxalicum with potent cytotoxic effects on A549 cells	1
Comparative Analyses on Chemical Constituents and Biological Activities of Laserpitium siler L. from Serbia	1
Fusacintone A, a New Polyketide from the Endophytic Fungus Fusarium tricinctum from Fritillaria monantha	1
Metabolomics Profiling of Rhodomyrtus tomentosa (Ait.) Hassk. Leaves and Fruits Using 1H NMR Spectroscopy	1
Comprehensive phytochemical profiling and cell-free in vitro bioactivity assessment of the endemic Campanula kirikkaleensis Dönmez & Güner	1
Genus Lactuca (Asteraceae): A Comprehensive Review	1
A New Benzofuran from the Heartwood of Dalbergia odorifera T. Chen and Its Protective Effect on Hypoxia/Reoxygenation Injury in H9c2	1
Phenolic Bisabolanes from the Marine-Derived Fungus Aspergillus sp. MEA11	1
Chemical Composition, Antioxidant, Acetylcholinesterase and β-Lactamase Inhibitory Activities of Essential Oils from Clerodendrum cyrtophyllum Turcz. and Clerodendrum fortunatum L.	1
	1
Hydroxytyrosol-1-Glucopyranoside Alleviates Senescence via Nrf2 and AMPK Signaling Pathway	1
A Mini Review on the Chemodiversity of Lamiaceae plants That Are Native to Türkiye and Turkish Republic of Northern Cyprus#	1
Cytotoxic Constituents from the Rhizomes of Monstera deliciosa	1
Chemical Composition, Insecticidal and Repellent Activities of Essential Oils from Piper asperiusculum and Piper pertomentellum against Red Flour Weevil	1
Polyketides and Alkaloids from the Fungus Penicillium sp.	1
Chemical Constituents from the Whole Plant of Pachysandra terminalis	1
Research Progress on Chemical Constituents and Biological Activities of Litsea cubeba (Lour) Pers	1
Secondary Metabolites from Marine-Derived Fungus Aspergillus carneus GXIMD00519	1
Two new compounds from the leaves of Forsythia suspensa (Thunb.) Vahl	1
Fusasolpolyol A, An Unreported Polyhydroxy Compound Isolated from the Sargassum thunbergii-Derived Endophytic Fungus Fusarium solani 2024f-xx	1
Chemical Components and Their α-Glucosidase Inhibitory Activity from the Leaves of Ficus carica Linn.	1
Promising Natural Polyphenols from Olive (Olea europaea) Leaves and Seeds: Dual Benefits in the Prevention of Ultraviolet B-induced Fibroblast Skin Damage and Anti Skin Hyperpigmentation	1
Chemical constituents and antioxidant activity of Cassiajavanica seeds	1
A new isoflavone from the ethyl acetate extracts of Apios fortunei Maxim and anti-inflammatory activity	1