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 2022-06-01 to 2026-06-01.)

Article	Citations
Phenolic chemistry of the seagrass Zostera marina Linnaeus: First assessment of geographic variability among populations on a broad spatial scale	103
Graphical Contents List	63
Organ-specific volatiles from Sonoran desert Krameria flowers as potential signals for oil-collecting bees	60
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	59
Editorial Board/Publication Information	54
Editorial Board/Publication Information	51
Eugenilones A−N: sesquiterpenoids from the fruits of Eugenia uniflora	50
Dimeric diarylheptanoids with anti-inflammatory activity from Zingiber officinale	48
Cannabinoid-like meroterpenoids from Peperomia incana	47
Efficient NMR spectroscopy approach for the determination of the relative configuration of Δ5,6Δ11,12-jatrophane diterpenes and their chemotherapy sensitization activities	46
Chevalierlin: A spirocyclic alkaloid from a hydrothermal vent associated fungus Aspergillus chevalieri TW132-65	45
Eight previously undescribed flavonoids and four previously undescribed bibenzyls from Macaranga kurzii and their potential antiviral activities	45
Chermesins I-N: Bioactive spiromeroterpenoids from the marine-sourced fungus Penicillium chermesinum AS-400	44
An updated comprehensive review on phytochemical Crinum L. genus alkaloids (2013–2025): Unlocking their anticancer potential	42
Antioxidant micropeptins from a Microcoleus autumnalis-dominated benthic cyanobacterial mat from Western Ireland	41
Secotrijugins A−D, four highly oxidized and rearranged limonoids from Trichilia sinensis and their anti-inflammatory activity	41
Isolation of undescribed cladosporols and spirobisnaphthalenes from a plant pathogen Cladosporium cladosporioides F-10-2-A	37
Callnudoids A–H: Highly modified labdane diterpenoids with anti-inflammation from the leaves of Callicarpa nudiflora	37
Steroidal alkaloids from Solanum nigrum and their cytotoxic activities	37
Vitislactone, a non-canonical strigolactone exudated by grapevine rootstocks in response to nitrogen starvation	36
Globunoids A−D, undescribed bichalconoid and biflavanoids with -glucosidase and -amylase inhibitory activities from stems	35
Cytotoxic monoterpenoid indole alkaloids from Tabernaemontana bovina	35
Anti-inflammatory polyketides from the endophytic fungus Cladosporium pseudocladosporioides A887	34
Functional characterization of a small gene family coding for putrescine hydroxycinnamoyltransferases, involved in phenolamide accumulation, in tomato	34
Triterpenoids with multi-skeletons as 11 β -HSD1 inhibitors from Euphorbia sikkimensis	34

Six C21 steroidal glycosides from Cynanchum wallichii Wight roots and their multidrug resistance reversal activities	33
Chromones from the endophytic fungus Bipolaris eleusines	33
Penigrines A−E: Five undescribed azepine-indole alkaloids from Penicillium griseofulvum	32
Integrative analysis of metabolome and transcriptome reveals the improvements of seed quality in vegetable soybean (Glycine max (L.) Merr.)	32
Characteristic chromanone acids from Calophyllum membranaceum: Determination of C-3 configuration and anti-inflammatory activity	31
Antibacterial activity and mechanism of polyketides from the marine-derived fungus Talaromyces sp.	31