Articles: PubMed:Molecular Phylogeny, Diversity, and Bioprospecting of Endophytic Fungi Associated with wild Ethnomedicinal North American Plant Echinacea purpurea (Asteraceae). PubMed:A natural herbal remedy modulates angiogenic activity of bronchoalveolar lavage cells from sarcoidosis patients. PubMed:Echinacea purpurea root extract inhibits TNF release in response to Pam3Csk4 in a phosphatidylinositol-3-kinase dependent manner. PubMed:Evaluation of immunopathologic effects of aqueous extract of Echinacea purpurea in mice after experimental challenge with Pasteurella multocida serotype A. PubMed:Echinacea purpurea (L.) Moench modulates human T-cell cytokine response. PubMed:Lactic acid fermentation as a tool to enhance the functional features of Echinacea spp. PubMed:In vitro inhibition of Eimeria tenella invasion of epithelial cells by phytochemicals. PubMed:The bioanalysis of the major Echinacea purpurea constituents dodeca-2E,4E,8Z,10E/Z-tetraenoic acid isobutylamides in human plasma using LC-MS/MS. PubMed:Effect of Echinacea purpurea L. on oxidative status and meat quality in Arbor Acres broilers. PubMed:Plasma caffeic acid is associated with statistical clustering of the anticolitic efficacy of caffeic acid in dextran sulfate sodium-treated mice. PubMed:A sensitive LC-MS/MS method for the quantitative analysis of the Echinacea purpurea constituent undeca-2-ene-8,10-diynoic acid isobutylamide in human plasma. PubMed:Direct metabolic fingerprinting of commercial herbal tinctures by nuclear magnetic resonance spectroscopy and mass spectrometry. PubMed:Acetylcholinesterase inhibitory and antioxidant properties of Cyclotrichium niveum, Thymus praecox subsp. caucasicus var. caucasicus, Echinacea purpurea and E. pallida. PubMed:An image analysis system for thin-layer chromatography quantification and its validation. PubMed:Use of quantitative flow cytometry to measure ex vivo immunostimulant activity of echinacea: the case for polysaccharides. PubMed:Growing environment and nutrient availability affect the content of some phenolic compounds in Echinacea purpurea and Echinacea angustifolia. PubMed:Development and validation of a high-throughput based on liquid chromatography with ultraviolet absorption and mass spectrometry detection method for quantitation of cichoric acid in Echinacea purpurea aerial-based dietary supplements. PubMed:Echinacea alkylamides inhibit interleukin-2 production by Jurkat T cells. PubMed:Determination of the structure and degree of polymerisation of fructans from Echinacea purpurea roots. PubMed:Commercial Seed Lots Exhibit Reduced Seed Dormancy in Comparison to Wild Seed Lots of Echinacea purpurea. PubMed:Preparative separation of cichoric acid from Echinacea purpurea by pH-zone-refining counter-current chromatography. PubMed:Synergistic antioxidative effects of alkamides, caffeic acid derivatives, and polysaccharide fractions from Echinacea purpurea on in vitro oxidation of human low-density lipoproteins. PubMed:Cytokine production by non-adherent mouse splenocyte cultures to Echinacea extracts. PubMed:Mechanism of activation of human peripheral blood NK cells at the single cell level by Echinacea water soluble extracts: recruitment of lymphocyte-target conjugates and killer cells and activation of programming for lysis. PubMed:[Studies on water-soluble constituents of Echinacea prupurea]. PubMed:Acute drought stress and plant age effects on alkamide and phenolic acid content in purple coneflower roots. PubMed:[Testing for immunomodulating effects of ethanol-water extracts of the above-ground parts of the plants Echinaceae (Moench) and Rudbeckia L]. PubMed:[The effect of Echinacea angustifolia on non-specific cellular immunity in the mouse]. PubMed:[Immunostimulating action of polysaccharides (heteroglycans) from higher plants]. PubMed:[Immunostimulant action of polysaccharides (heteroglycans) from higher plants. Preliminary communication].