OOIR: Observatory of International Research

Papers

(The H4-Index of Phytochemistry is 31. 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 2021-06-01 to 2025-06-01.)

Article	Citations
Four pairs of neolignan enantiomers with distinctive isochroman moiety from the fruits of Crataegus pinnatifida and their protective activities against H2O2-induced SH-SY5Y cells	179
Diterpenoid alkaloids from Delphinium trichophorum	119
Artemordosins A−L, cadinane-monoterpene heterodimers and sesquiterpenoids with antihepatoma activity from Artemisia ordosica	118
Chermesins I-N: Bioactive spiromeroterpenoids from the marine-sourced fungus Penicillium chermesinum AS-400	75
Chevalierlin: A spirocyclic alkaloid from a hydrothermal vent associated fungus Aspergillus chevalieri TW132-65	67
Density functional theory study on the coupling and reactions of diferuloylputrescine as a lignin monomer	66
Antioxidant micropeptins from a Microcoleus autumnalis-dominated benthic cyanobacterial mat from Western Ireland	56
Organ-specific volatiles from Sonoran desert Krameria flowers as potential signals for oil-collecting bees	56
Penigrines A−E: Five undescribed azepine-indole alkaloids from Penicillium griseofulvum	53
Characteristic chromanone acids from Calophyllum membranaceum: Determination of C-3 configuration and anti-inflammatory activity	49
Secotrijugins A−D, four highly oxidized and rearranged limonoids from Trichilia sinensis and their anti-inflammatory activity	45
Editorial Board/Publication Information	42
Graphical Contents List	41
Functional characterization of acyltransferases from Salvia hispanica that can selectively catalyze the formation of trilinolenin	39
Editorial Board/Publication Information	39
Metabolic fingerprinting of Ganoderma spp. using UHPLC-ESI-QTOF-MS and its chemometric analysis	39
Globunoids A−D, undescribed bichalconoid and biflavanoids with -glucosidase and -amylase inhibitory activities from stems	39
Cannabinoid-like meroterpenoids from Peperomia incana	38
Rosmarinic acid and hesperidin regulate gas exchange, chlorophyll fluorescence, antioxidant system and the fatty acid biosynthesis-related gene expression in Arabidopsis thaliana under heat stress	38
Six C21 steroidal glycosides from Cynanchum wallichii Wight roots and their multidrug resistance reversal activities	38
Molecular differentiation of Panax notoginseng grown under different conditions by internal extractive electrospray ionization mass spectrometry and multivariate analysis	37
Eugenilones A−N: sesquiterpenoids from the fruits of Eugenia uniflora	37
Sesquiterpenes from Carpesium faberi triggered ROS-induced apoptosis and protective autophagy in hepatocellular carcinoma cells	37
Seasonal variation of phenolic compounds in Zostera marina (Zosteraceae) from the Baltic Sea	35
Dimeric diarylheptanoids with anti-inflammatory activity from Zingiber officinale	34

Bioactive constituents from the leaves of Metapanax delavayi with anti-benign prostatic hyperplasia activities	34
Chromones from the endophytic fungus Bipolaris eleusines	33
Vitislactone, a non-canonical strigolactone exudated by grapevine rootstocks in response to nitrogen starvation	33
Steroidal alkaloids from Solanum nigrum and their cytotoxic activities	32
A systematic review of spirostanol saponins and anticancer natural products isolated from Tacca plantaginea (Hance) Drenth	32
Triterpenoids with multi-skeletons as 11 β -HSD1 inhibitors from Euphorbia sikkimensis	31
Isolation of undescribed cladosporols and spirobisnaphthalenes from a plant pathogen Cladosporium cladosporioides F-10-2-A	31
Integrative analysis of metabolome and transcriptome reveals the improvements of seed quality in vegetable soybean (Glycine max (L.) Merr.)	31