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 2022-05-01 to 2026-05-01.)

Article	Citations
Chromones from Saposhnikovia divaricata and their inhibition of IL-1β-induced proliferative activity in SW982 cells	174
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	100
Phenolic chemistry of the seagrass Zostera marina Linnaeus: First assessment of geographic variability among populations on a broad spatial scale	85
Graphical Contents List	62
Organ-specific volatiles from Sonoran desert Krameria flowers as potential signals for oil-collecting bees	59
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	58
Editorial Board/Publication Information	54
Editorial Board/Publication Information	50
Eugenilones A−N: sesquiterpenoids from the fruits of Eugenia uniflora	48
Six C21 steroidal glycosides from Cynanchum wallichii Wight roots and their multidrug resistance reversal activities	46
Dimeric diarylheptanoids with anti-inflammatory activity from Zingiber officinale	46
Cannabinoid-like meroterpenoids from Peperomia incana	45
Chevalierlin: A spirocyclic alkaloid from a hydrothermal vent associated fungus Aspergillus chevalieri TW132-65	44
Triterpenoids with multi-skeletons as 11 β -HSD1 inhibitors from Euphorbia sikkimensis	44
An updated comprehensive review on phytochemical Crinum L. genus alkaloids (2013–2025): Unlocking their anticancer potential	44
Steroidal saponins from the bulbs of Lilium lancifolium Thunb. and their antioxidant effects	42
Steroidal alkaloids from Solanum nigrum and their cytotoxic activities	41
Callnudoids A–H: Highly modified labdane diterpenoids with anti-inflammation from the leaves of Callicarpa nudiflora	40
Chromones from the endophytic fungus Bipolaris eleusines	37
Efficient NMR spectroscopy approach for the determination of the relative configuration of Δ5,6Δ11,12-jatrophane diterpenes and their chemotherapy sensitization activities	37
Chermesins I-N: Bioactive spiromeroterpenoids from the marine-sourced fungus Penicillium chermesinum AS-400	36
Integrative analysis of metabolome and transcriptome reveals the improvements of seed quality in vegetable soybean (Glycine max (L.) Merr.)	36
Isolation of undescribed cladosporols and spirobisnaphthalenes from a plant pathogen Cladosporium cladosporioides F-10-2-A	35
Density functional theory study on the coupling and reactions of diferuloylputrescine as a lignin monomer	34
Cytotoxic monoterpenoid indole alkaloids from Tabernaemontana bovina	33

Anti-inflammatory polyketides from the endophytic fungus Cladosporium pseudocladosporioides A887	33
Globunoids A−D, undescribed bichalconoid and biflavanoids with -glucosidase and -amylase inhibitory activities from stems	33
Clavatol derivatives from the endophytic fungus Penicillium commune XL-0473	33
Secotrijugins A−D, four highly oxidized and rearranged limonoids from Trichilia sinensis and their anti-inflammatory activity	32
Vitislactone, a non-canonical strigolactone exudated by grapevine rootstocks in response to nitrogen starvation	31
Antioxidant micropeptins from a Microcoleus autumnalis-dominated benthic cyanobacterial mat from Western Ireland	31
Eight previously undescribed flavonoids and four previously undescribed bibenzyls from Macaranga kurzii and their potential antiviral activities	31