OOIR: Observatory of International Research

Papers

(The TQCC of Phytochemical Analysis is 5. 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 2020-03-01 to 2024-03-01.)

Article	Citations
Immunoprotective potential of Ayurvedic herb Kalmegh (Andrographis paniculata) against respiratory viral infections – LC–MS/MS and network pharmacology analysis	41
Chemical characterisation and quantification of the major constituents in the Chinese herbal formula Jian‐Pi‐Yi‐Shen pill by UPLC‐Q‐TOF‐MS/MS and HPLC‐QQQ‐MS/MS	26
Cleavage rules of mass spectrometry fragments and rapid identification of chemical components of Radix Paeoniae Alba using UHPLC‐Q‐TOF‐MS	25
Integration of mass spectral fingerprinting analysis with precursor ion (MS1) quantification for the characterisation of botanical extracts: application to extracts of Centella asiatica	24
Phytochemical discrimination of Pinus species based on GC–MS and ATR‐IR analyses and their impact on Helicobacter pylori	23
Spectrum‐effect relationship between UPLC fingerprints and anti‐lung cancer effect of Panax ginseng	23
Ultrasound‐microwave‐assisted extraction of polyphenolic compounds from Mexican “Ataulfo” mango peels: Antioxidant potential and identification by HPLC/ESI/MS	22
Extraction of naturally occurring cannabinoids: an update	20
Rapid classification and identification of chemical constituents in Epimedium koreanum Nakai by UPLC‐Q‐TOF‐MS combined with data post‐processing techniques	18
Authenticity and quality evaluation of different Rhodiola species and commercial products based on NMR‐spectroscopy and HPLC	16
Attenuated total reflectance–Fourier transform infrared (ATR–FTIR) spectroscopy coupled with chemometric analysis for detection and quantification of adulteration in lavender and citronella essential	16
Qualitative and quantitative determination of steroidal saponins in Trillium govanianum by UHPLC‐QTOF‐MS/MS and UHPLC‐ELSD	15
Simultaneous quantitative analysis of ten bioactive flavonoids in Citri Reticulatae Pericarpium Viride (Qing Pi) by ultrahigh‐performance liquid chromatography and high‐resolution mass spectrometry co	15
Comprehensive characterization of naturally occurring antioxidants from the twigs of mulberry (Morus alba) using on‐line high‐performance liquid chromatography coupled with chemical	15
On‐line coupling pressurised liquid extraction with two‐dimensional counter current chromatography for isolation of natural acetylcholinesterase inhibitors from Astragalus membranaceus	14
Rapid structural characterisation of benzylisoquinoline and aporphine alkaloids from Ocotea spixiana acaricide extract by HPTLC‐DESI‐MSⁿ	14
A comprehensive study of the aerial parts of Lonicera japonica Thunb. based on metabolite profiling coupled with PLS‐DA	14
LC–MS/MS coupled with chemometric analysis as an approach for the differentiation of bulbus Fritillaria unibracteata and Fritillaria ussuriensis	14
Untargeted metabolite profiling and phytochemical analysis based on RP‐HPLC‐DAD‐QTOF‐MS and MS/MS for discovering new bioactive compounds in Rumex algeriensis flowers and stems	13
Establishment and validation of the quantitative analysis of multi‐components by single marker for the quality control of Qishen Yiqi dripping pills by high‐performance liquid chromatography with char	13
Metabolomics and chemometrics of seven aromatic plants: Carob, eucalyptus, laurel, mint, myrtle, rosemary and strawberry tree	13
Gas chromatography–mass spectrometry (GC–MS) profiling reveals substantial metabolome diversity in seabuckthorn (Hippophae rhamnoides L.) berries originating from different geographi	13
LC–MS metabolomics analysis of Stevia rebaudiana Bertoni leaves cultivated in Malaysia in relation to different developmental stages	13
The quality of wild Salvia miltiorrhiza from Dao Di area in China and its correlation with soil parameters and climate factors	13
Identification of flavonoid‐3‐O‐glycosides from leaves of Casearia arborea (Salicaceae) by UHPLC‐DAD‐ESI‐HRMS/MS combined with molecular networking and NMR	13

Field analyses of lavender volatile organic compounds: performance evaluation of a portable gas chromatography–mass spectrometry device	13
Brazilian southeast brown propolis: gas chromatography method development for its volatile oil analysis, its antimicrobial and leishmanicidal activities evaluation	13
Rapid authentication of agarwood by using liquid extraction surface analysis mass spectrometry (LESA‐MS)	13
Efficient extraction and purification of benzo[c]phenanthridine alkaloids from Macleaya cordata (Willd) R. Br. by combination of ultrahigh pressure extraction and pH‐zone‐refi	12
Immunochemical approaches for detection of aflatoxin B1 in herbal medicines	12
Development of ANN models based on combined UV‐vis‐NIR spectra for rapid quantification of physical and chemical properties of industrial hemp extracts	12
Chemical composition and antibacterial activity of 12 medicinal plant ethyl acetate extracts using LC–MS feature‐based molecular networking	12
Crotalaria spectabilis as a source of pyrrolizidine alkaloids and phenolic compounds: HPLC‐MS/MS dereplication and monocrotaline quantification of seed and leaf extracts	12
Correlations between phytochemical fingerprints of Moringa oleifera leaf extracts and their antioxidant activities revealed by chemometric analysis	12
Application of liquid‐phase microextraction to the analysis of plant and herbal samples	12
A sensitive ¹H NMR spectroscopic method for the quantification of capsaicin and capsaicinoid: morpho‐chemical characterisation of chili land races from northeast India	11
Screening and semi‐quantitative determination of pentacyclic triterpenoids in plants by liquid chromatography–tandem mass spectrometry in precursor ion scan mode	11
Screening and characterisation of potential antioxidant, hypoglycemic and hypolipidemic components revealed in Portulaca oleracea via multi‐target affinity ultrafiltration LC–MS and	11
Opposite trends of glycosides and alkaloids in Dendrobium nobile of different age based on UPLC‐Q/TOF‐MS combined with multivariate statistical analyses	11
Instant determination of the artemisinin from various Artemisia annua L. extracts by LC‐ESI‐MS/MS and their in‐silico modelling and in vitro antiviral activity studies against SAR	11
Globoidnan A, rabdosiin and globoidnan B as new phenolic markers in European‐sourced comfrey (Symphytum officinale L.) root samples	11
Response surface modeling and optimization of the extraction conditions using lactic acid‐based deep eutectic solvents as green alternative extraction media for Mentha pulegium	10
Anticoagulant activity analysis and origin identification of Panax notoginseng using HPLC and ATR‐FTIR spectroscopy	10
Computational multi‐target approach to target essential enzymes of Leishmania donovani using comparative molecular dynamic simulations and MMPBSA analysis	10
Quantification by LC–MS/MS of astragaloside IV and isoflavones in Astragali radix can be more accurate by using standard addition	10
Integrating chemical profiling and network pharmacology analysis based on anti‐inflammatory effects for quality control of Scutellaria barbata	10
Application of choline chloride deep eutectic solvents and high‐speed counter‐current chromatography to the extraction and purification of flavonoids from the thorns of Gleditsia sinensis<	10
Identifying new compounds with potential pharmaceutical and physiological activity in Areca catechu and Areca triandra via a non‐targeted metabolomic approach	10
Optimisation of microwave‐assisted extraction and functional elucidation of bioactive compounds from Cola nitida pod	10
Metabolomics analysis of dandelions from different geographical regions in China	10
Quality assessment of leaf extracts of 12 olive cultivars and impact of seasonal variation based on UV spectroscopy and phytochemcial content using multivariate analyses	10
Rapid characterisation of xanthine oxidase inhibitors from the flowers of Chrysanthemum morifolium Ramat. Using metabolomics approach	10
Rapid classification and identification of chemical components of Astragali radix by UPLC‐Q‐TOF‐MS	10
DNA meta‐barcoding using rbcL based mini‐barcode revealed presence of unspecified plant species in Ayurvedic polyherbal formulations	9
Matrix metalloproteinase inhibitor and sunscreen effective compounds from Rumex crispus L.: isolation, identification, bioactivity and molecular docking study	9
HS‐SPME coupled with GC–MS for elucidating differences between the volatile components in wild and cultivated Atractylodes chinensis	9
Determination of monosaccharides in Lycium barbarum fruit polysaccharide by an efficient UHPLC‐QTRAP‐MS/MS method	9
Small‐scale analysis of phytoecdysteroids in seeds by HPLC‐DAD‐MS for the identification and quantification of specific analogues, dereplication and chemotaxonomy	9
Simultaneous determination of multiple active 2‐(2‐phenylethyl)chromone analogues in agarwood by HPLC, QAMS, and UPLC‐MS	9
Analysis of the characteristic compounds of Citri Sarcodactylis Fructus from different geographical origins	9
Advancing quantification methods for polyphenols in brown seaweeds—applying a selective qNMR method compared with the TPC assay	9
Quantification of phenolic acids by partial least squares Fourier‐transform infrared (PLS‐FTIR) in extracts of medicinal plants	8
Comparative metabolomics analysis revealed biomarkers and distinct flavonoid biosynthesis regulation in Chrysanthemum mongolicum and C. rhombifolium	8
Preparation of Withaferin A nanoparticles extracted from Withania somnifera by the expansion of supercritical fluid solution	8
Compositional analysis of essential oil and solvent extracts of Norway spruce sprouts by ultrahigh‐resolution mass spectrometry	8
A new PARAFAC‐based algorithm for HPLC–MS data treatment: herbal extracts identification	8
Comprehensive quality evaluation of Lignum Caraganae and rapid discrimination of Caragana jubata and Caragana changduensis based on characteristic compound fingerprints by HPLC‐UV and HP	8
Chemical comparison and discrimination of two plant sources of Angelicae dahuricae Radix, Angelica dahurica and Angelica dahurica var. formosana, by HPLC‐Q/TOF‐MS and quantitative	8
Detecting kinsenoside from Anoectochilus roxburghii by HPLC‐ELSD with dual columns of NH₂ and AQ‐C₁₈	8
Investigating distributions and changes of alkaloids in living Catharanthus roseus under low‐phosphorus stress using wooden‐tip electrospray ionisation mass spectrometry	8
Quantification of cranberry proanthocyanidins by normal‐phase high‐performance liquid chromatography using relative response factors	8
In vivo anti‐inflammatory activity of Fabaceae species extracts screened by a new ex vivo assay using human whole blood	8
Simultaneous qualitative and quantitative analysis of 10 bioactive flavonoids in Aurantii Fructus Immaturus (Zhishi) by ultrahigh‐performance liquid chromatography and high‐resolution tandem mass spec	8
HR‐¹H NMR spectroscopy and multivariate statistical analysis to determine the composition of herbal mixtures for infusions	8
The composition differences between small black beans and big black beans from different habitats and its effects on the processing of Polygonum multiflorum	8

TLC–MS identification of alkaloids in Leonuri Herba and Leonuri Fructus aided by a newly developed universal derivatisation reagent optimised by the response surface method	8
Identification of Forsythia suspensa (Thunb.) Vahl in different harvest periods using intelligent sensory technologies, HPLC characteristic fingerprint coupled with chemometrics	7
Profiling of phenolic compounds in desiccation‐tolerant and non‐desiccation‐tolerant Linderniaceae	7
Discovery and identification of proangiogenic chemical markers from Gastrodiae Rhizoma based on zebrafish model and metabolomics approach	7
Exploration of a ternary deep eutectic solvent for the efficient extraction of plantamajoside, acteoside, quercetin and kaempferol from Plantago asiatica L.	7
Colour, chemical compounds, and antioxidant capacity of Astragali Radix based on untargeted metabolomics and targeted quantification	7
An integrated strategy for holistic quality identification of Chinese patent medicine: Liuwei Dihuang Pills as a case study	7
Metabolic differences of two Ferula species as potential sources of galbanum: An NMR‐based metabolomics study	7
Extended application of deep learning combined with 2DCOS: Study on origin identification in the medicinal plant of Paris polyphylla var. yunnanensis	7
Features in the NMR spectra of the aglycones of Agave spp. saponins. HMBC method for aglycone identification (HMAI)	7
Response surface methodology optimised solvothermal system enables an efficient extraction of echinacoside and oleuropein from Syringa pubescens Turcz	7
Application of INADEQUATE NMR techniques for directly tracing out the carbon skeleton of a natural product	7
Chemical characterisation of Pelargonium sidoides root based on LC‐QToF‐MS non‐target screening strategies	7
Green NP‐HPTLC and green RP‐HPTLC methods for the determination of thymoquinone: A contrast of validation parameters and greenness assessment	7
Structural characterisation and screening of triterpene saponins in the bark of Ilex rotunda using high‐performance liquid chromatography coupled to electrospray ionisation and quadrupole time‐	6
Electrospray ionisation mass spectrometric behaviour of flavonoid 5‐O‐glucosides and their positional isomers detected in the extracts from the bark of Prunus cerasus L. and <	6
A green and sustainable method for monitoring the chemical composition of soybean: an alternative for quality control	6
Exploring correlations between MS and NMR for compound identification using essential oils: A pilot study	6
Quantitative determination of isoflavonoids in Ononis species by UPLC‐UV‐DAD	6
Natural colourants analysis and biological activities. Association to molecular markers to explore the biodiversity of Opuntia species	6
Mass spectrometry as a tool for the dereplication of saponins from Ampelozizyphus amazonicus Ducke bark and wood	6
Untargeted UHPLC‐Q‐TOF‐HRMS based determination of discrimating compounds for oak species Quercus robur L. and Quercus petraea Liebl. identification	6
Efficiency and selectivity of ionic liquids in microwave‐assisted extraction of major lichen phenolic compounds: a scalable process with recycling of ionic liquids	6
Application of multivariate linear regression models for selection of deep eutectic solvent for extraction of apigenin and luteolin from Chrysanthemum indicum L.	6
Lagenaria siceraria and it's bioactive constituents in carbonic anhydrase inhibition: A bioactivity guided LC–MS/MS approach	6
Comparative evaluation of phenolic profile and antioxidant activity of new sweet cherry (Prunus avium L.) genotypes in Turkey	6
A supercritical fluid workflow for the quality assessment of herbal drugs and commercial preparations from Rhodiola rosea	6
Quantification of crocin, picrocrocin and safranal in saffron stigmas obtained from sounded corms with acoustic waves	6
Using ¹³C‐NMR dereplication to aid in the identification of xanthones present in the stem bark extract of Calophyllum brasiliense	6
Comparative stability of arbutin in Arctostaphylos uva‐ursi by a new comprehensive stability‐indicating HPLC method	5
Rapid screening and purification of potential inhibitors from Medicago sativa by ultrafiltration‐liquid chromatography combined with stepwise flow rate counter‐current chromatography	5
UPLC–MS/MS method for the determination of the herb composition of Tangshen formula and the in vivo pharmacokinetics of its metabolites in rat plasma	5
Discrimination between Zingiberis Rhizoma Praeparatum and carbonised ginger by colour measurement and fingerprint analysis	5
Identification and quantification of eight alkaloids in Aconitum heterophyllum using UHPLC‐DAD‐QTOF‐IMS: A valuable tool for quality control	5
Screening of anti‐thrombin active components from Ligusticum chuanxiong by affinity‐ultrafiltration coupled with HPLC‐Q‐Orbitrap‐MSⁿ	5
Quality assessment of Typhae Pollen Carbonisata based on chromaticity analysis combined with UPLC fingerprinting and thrombin activity	5
Dereplication of phenolic derivatives of three Erythroxylum species using liquid chromatography coupled with ESI‐MSⁿ and HRESIMS	5
Molecular evidence of herbal formula: a network‐based analysis of Si‐Wu decoction	5
Rapid estimation of piperine in black pepper: Exploration of Raman spectroscopy	5
Immunochromatographic assay for the detection of kwakhurin and its application for the identification of Pueraria candollei var. mirifica (Airy Shaw & Suvat.) Niyomdham	5
Predictive quality control for compound liquorice tablets by the intelligent mergence fingerprint method combined with the systematic quantitative fingerprint method	5
Data Fusion‐based Discovery (DAFdiscovery) pipeline to aid compound annotation and bioactive compound discovery across diverse spectral data	5
Profiling and quantitation of alkaloids in different parts of Sophora alopecuroides L. extracts by high‐performance liquid chromatography with electrospray ionisation ion mobility spectrometry	5
A new specific method for isolation of tomentosin with a high yield from Inula viscosa (L.) and determination of its bioactivities	5
Rapid analysis and identification of dianthrone glycosides in Polygoni Multiflori Caulis based on enrichment of macroporous absorbent resin and UPLC‐Q‐TOF‐MS/MS	5
Metabolomic analysis reveals the valuable bioactive compounds of Ardisia elliptica	5
From sample preparation to NMR‐based metabolic profiling in food commodities: The case of table olives	5
Identification of antidiabetic components in Uncariae Rammulus Cum Uncis based on phytochemical isolation and spectrum–effect relationship analysis	5