hypericin and quercetin

hypericin has been researched along with quercetin in 40 studies

Research

Studies (40)

TimeframeStudies, this research(%)All Research%
pre-19901 (2.50)18.7374
1990's6 (15.00)18.2507
2000's17 (42.50)29.6817
2010's15 (37.50)24.3611
2020's1 (2.50)2.80

Authors

AuthorsStudies
Lombardo, F; Obach, RS; Waters, NJ1
Butterweck, V; Nahrstedt, A1
Batista-Gonzalez, A; Brunhofer, G; Fallarero, A; Gopi Mohan, C; Karlsson, D; Shinde, P; Vuorela, P1
Oliveri, V1
Jobert, M; Schulz, H1
Brockmöller, J; Kerb, R; Ploch, M; Roots, I; Staffeldt, B1
Thiede, HM; Walper, A1
Bladt, S; Wagner, H1
Dimpfel, W; Sauer, S; Schellenberg, R1
Cott, JM; Fugh-Berman, A1
Obach, RS1
Chatterjee, S; Nöldner, M1
Coutts, RT; Gu, LD; Ling, L; Pang, PK; Shan, JJ; Sloley, BD; Urichuk, LJ1
Mirossay, A; Mirossay, L; Mojzis, J; Onderková, H; Sarisský, M1
Butterweck, V; Liefländer-Wulf, U; Nahrstedt, A; Winterhoff, H1
HAGEDORN, P; NEU, R1
Butterweck, V; Simbrey, K; Winterhoff, H1
Borrelli, F; Capasso, F; Capasso, R; Izzo, AA; Mascolo, N1
Bagdonaite, E; Kazlauskas, S1
Agrimonti, C; Andreotti, E; Bianchi, A; Conforti, F; Menichini, F; Poli, F; Sacchetti, G; Statti, GA; Tundis, R1
Bässler, D; Schulz, HU; Schürer, M; Weiser, D2
Liu, CS; Wang, DM; Yang, DP1
Cao, J; Chan, E; Chen, X; Duan, W; Hu, ZP; Huang, M; Wen, JY; Yang, XX; Yu, XQ; Zhou, SF1
Contartese, G; Couladis, M; Galati, EM; Lanuzza, F; Miceli, N; Sdrafkakis, V; Taviano, MF; Tzakou, O1
Shang, LX; Shao, CL; Wu, YX; Zhang, L; Zhang, QH1
Cirak, C; Ivanauskas, L; Janulis, V; Radusiene, J2
Bartolini, A; Bergonzi, MC; Bilia, AR; Galeotti, N; Ghelardini, C; Vivoli, E1
Gilani, AH; Khan, AU1
Kisselev, P; Roots, I; Schunck, WH; Schwarz, D1
Hovhannisyan, AA; Martirosyan, AS; Tiratsuyan, SG; Vardapetyan, HR1
Wang, Q; Xu, FF1
Arakawa, NS; Cardoso, RD; Casagrande, R; Fattori, V; Hohmann, MS; Lopes, NP; Tomaz, JC; Verri, WA1
Abdel-Aziz, H; Brügger, D; Butterweck, V; Verjee, S1
Török, T; Varga, E1
Kontaxis, NI; Lamari, FN; Margianni, E; Petrou, C; Zeliou, K1
Dresler, S; Kováčik, J; Sowa, I; Strzemski, M; Wójciak-Kosior, M1
Boonen, G; Bussmann, H; Drewe, J; Franken, S; Häberlein, H; Keksel, N; Unger, M1
Saçıcı, E; Yesilada, E1

Reviews

2 review(s) available for hypericin and quercetin

ArticleYear
Lessons learned from herbal medicinal products: the example of St. John's Wort (perpendicular).
    Journal of natural products, 2010, May-28, Volume: 73, Issue:5

    Topics: Anthracenes; Antidepressive Agents; Bridged Bicyclo Compounds; Cytochrome P-450 CYP3A; Dose-Response Relationship, Drug; Hypericum; Molecular Structure; Perylene; Phloroglucinol; Plant Preparations; Plants, Medicinal; Terpenes

2010
Toward the discovery and development of effective modulators of α-synuclein amyloid aggregation.
    European journal of medicinal chemistry, 2019, Apr-01, Volume: 167

    Topics: alpha-Synuclein; Amyloidogenic Proteins; Drug Discovery; Humans; Protein Aggregation, Pathological; Structure-Activity Relationship

2019

Trials

5 trial(s) available for hypericin and quercetin

ArticleYear
Effects of hypericum extract on the sleep EEG in older volunteers.
    Journal of geriatric psychiatry and neurology, 1994, Volume: 7 Suppl 1

    Topics: Anthracenes; Antidepressive Agents; Cross-Over Studies; Double-Blind Method; Electroencephalography; Female; Humans; Hypericum; Middle Aged; Perylene; Plant Extracts; Plants, Medicinal; Quercetin; Sleep; Xanthenes

1994
Pharmacokinetics of hypericin and pseudohypericin after oral intake of the hypericum perforatum extract LI 160 in healthy volunteers.
    Journal of geriatric psychiatry and neurology, 1994, Volume: 7 Suppl 1

    Topics: Administration, Oral; Adult; Anthracenes; Antidepressive Agents; Chromatography, High Pressure Liquid; Double-Blind Method; Humans; Hypericum; Male; Perylene; Plant Extracts; Plants, Medicinal; Quercetin; Reference Values; Regression Analysis; Xanthenes

1994
Pharmacodynamic effects of two different hypericum extracts in healthy volunteers measured by quantitative EEG.
    Pharmacopsychiatry, 1998, Volume: 31 Suppl 1

    Topics: Adult; Anthracenes; Bridged Bicyclo Compounds; Cerebral Cortex; Electroencephalography; Female; Humans; Hypericum; Male; Perylene; Phloroglucinol; Plant Extracts; Plants, Medicinal; Quercetin; Terpenes; Xanthenes

1998
Investigation of the bioavailability of hypericin, pseudohypericin, hyperforin and the flavonoids quercetin and isorhamnetin following single and multiple oral dosing of a hypericum extract containing tablet.
    Arzneimittel-Forschung, 2005, Volume: 55, Issue:1

    Topics: Adolescent; Adult; Anthracenes; Antidepressive Agents; Area Under Curve; Biological Availability; Bridged Bicyclo Compounds; Flavonols; Humans; Hypericum; Male; Middle Aged; Perylene; Phloroglucinol; Plant Extracts; Quercetin; Tablets; Terpenes

2005
Investigation of pharmacokinetic data of hypericin, pseudohypericin, hyperforin and the flavonoids quercetin and isorhamnetin revealed from single and multiple oral dose studies with a hypericum extract containing tablet in healthy male volunteers.
    Arzneimittel-Forschung, 2005, Volume: 55, Issue:10

    Topics: Adolescent; Adult; Anthracenes; Bridged Bicyclo Compounds; Flavonols; Humans; Hypericum; Male; Middle Aged; Perylene; Phloroglucinol; Plant Extracts; Quercetin; Tablets; Terpenes

2005

Other Studies

33 other study(ies) available for hypericin and quercetin

ArticleYear
Trend analysis of a database of intravenous pharmacokinetic parameters in humans for 670 drug compounds.
    Drug metabolism and disposition: the biological fate of chemicals, 2008, Volume: 36, Issue:7

    Topics: Blood Proteins; Half-Life; Humans; Hydrogen Bonding; Infusions, Intravenous; Pharmacokinetics; Protein Binding

2008
Exploration of natural compounds as sources of new bifunctional scaffolds targeting cholinesterases and beta amyloid aggregation: the case of chelerythrine.
    Bioorganic & medicinal chemistry, 2012, Nov-15, Volume: 20, Issue:22

    Topics: Acetylcholinesterase; Amyloid beta-Peptides; Benzophenanthridines; Binding Sites; Butyrylcholinesterase; Catalytic Domain; Cholinesterase Inhibitors; Humans; Isoquinolines; Kinetics; Molecular Docking Simulation; Structure-Activity Relationship

2012
Inhibition of MAO and COMT by hypericum extracts and hypericin.
    Journal of geriatric psychiatry and neurology, 1994, Volume: 7 Suppl 1

    Topics: Animals; Anthracenes; Antidepressive Agents; Catechol O-Methyltransferase Inhibitors; Hypericum; In Vitro Techniques; Monoamine Oxidase Inhibitors; Perylene; Plant Extracts; Plants, Medicinal; Quercetin; Swine; Xanthenes

1994
Pharmaceutical quality of hypericum extracts.
    Journal of geriatric psychiatry and neurology, 1994, Volume: 7 Suppl 1

    Topics: Anthracenes; Antidepressive Agents; Hypericum; Molecular Structure; Perylene; Plant Extracts; Plants, Medicinal; Quercetin; Xanthenes

1994
Is St. John's wort (Hypericum perforatum) an effective antidepressant?
    The Journal of nervous and mental disease, 1998, Volume: 186, Issue:8

    Topics: Animals; Anthracenes; Antidepressive Agents; Depressive Disorder; Humans; Hypericum; Nonprescription Drugs; Perylene; Phytotherapy; Plant Extracts; Plants, Medicinal; Protein Kinase C; Quercetin; Rats; Xanthenes

1998
Inhibition of human cytochrome P450 enzymes by constituents of St. John's Wort, an herbal preparation used in the treatment of depression.
    The Journal of pharmacology and experimental therapeutics, 2000, Volume: 294, Issue:1

    Topics: Anthracenes; Antidepressive Agents; Bridged Bicyclo Compounds; Chlorogenic Acid; Chromatography, High Pressure Liquid; Cytochrome P-450 Enzyme Inhibitors; Enzyme Inhibitors; Humans; Hypericum; Perylene; Phloroglucinol; Plant Extracts; Plants, Medicinal; Quercetin; Terpenes

2000
Effects of two different extracts of St. John's wort and some of their constituents on cytochrome P450 activities in rat liver microsomes.
    Pharmacopsychiatry, 2001, Volume: 34 Suppl 1

    Topics: Animals; Anthracenes; Antidepressive Agents; Bridged Bicyclo Compounds; Cytochrome P-450 Enzyme System; Ethanol; Excitatory Amino Acid Antagonists; Female; Hypericum; Liver; Male; Methanol; Microsomes; Perylene; Phenobarbital; Phloroglucinol; Plant Extracts; Quercetin; Rats; Rats, Sprague-Dawley; Sex Factors; Solvents; Terpenes

2001
Chemical and pharmacological evaluation of Hypericum perforatum extracts.
    Acta pharmacologica Sinica, 2000, Volume: 21, Issue:12

    Topics: Animals; Anthracenes; Antioxidants; Bridged Bicyclo Compounds; Free Radical Scavengers; Hippocampus; Hypericum; Male; Perylene; Phloroglucinol; Quercetin; Rats; Rats, Sprague-Dawley; Selective Serotonin Reuptake Inhibitors; Terpenes

2000
The effect of quercetin on light-induced cytotoxicity of hypericin.
    Physiological research, 2001, Volume: 50, Issue:6

    Topics: Anthracenes; Cell Survival; Drug Interactions; HL-60 Cells; Humans; Light; Perylene; Photochemistry; Quercetin; Radiation-Sensitizing Agents; Reactive Oxygen Species

2001
Plasma levels of hypericin in presence of procyanidin B2 and hyperoside: a pharmacokinetic study in rats.
    Planta medica, 2003, Volume: 69, Issue:3

    Topics: Administration, Oral; Animals; Anthracenes; Antidepressive Agents; Biflavonoids; Biological Availability; Catechin; Chromatography, High Pressure Liquid; Drug Synergism; Male; Perylene; Phytotherapy; Plant Extracts; Proanthocyanidins; Quercetin; Rats; Rats, Sprague-Dawley; Solubility

2003
[Analytic studies on flavones. IV. Determination of hypericin and hyperoside in alcoholic extracts of plants].
    Archiv der Pharmazie und Berichte der Deutschen Pharmazeutischen Gesellschaft, 1954, Volume: 287, Issue:2

    Topics: Anthracenes; Flavones; Perylene; Plants; Quercetin

1954
Extracts of St. John's wort and various constituents affect beta-adrenergic binding in rat frontal cortex.
    Life sciences, 2004, Jan-09, Volume: 74, Issue:8

    Topics: Animals; Anthracenes; Antidepressive Agents, Second-Generation; Antidepressive Agents, Tricyclic; Bridged Bicyclo Compounds; Cell Membrane; Fluoxetine; Frontal Lobe; Hypericum; Imipramine; Male; Perylene; Phloroglucinol; Plant Extracts; Quercetin; Radioligand Assay; Rats; Receptors, Adrenergic, beta; Terpenes

2004
Inhibitory effect of the antidepressant St. John's wort (hypericum perforatum) on rat bladder contractility in vitro.
    Urology, 2004, Volume: 64, Issue:1

    Topics: Acetylcholine; Adenosine Triphosphate; Animals; Anthracenes; Antidepressive Agents; Atropine; Bridged Bicyclo Compounds; Capsaicin; Depression; Electric Stimulation; Female; Haloperidol; Hypericum; Kaempferols; Male; Methysergide; Muscle Contraction; Muscle, Smooth; Naloxone; Perylene; Phentolamine; Phloroglucinol; Piperidines; Plant Extracts; Propranolol; Pyrazoles; Quercetin; Rats; Rats, Wistar; Rimonabant; Rutin; Terpenes; Tetrodotoxin; Urinary Bladder; Urinary Incontinence; Verapamil

2004
[Quantitative analysis of active substances in St. John's wort (Hypericum perforatum L.) by the high performance liquid chromatography method].
    Medicina (Kaunas, Lithuania), 2004, Volume: 40, Issue:10

    Topics: Anthracenes; Antidepressive Agents; Chromatography, High Pressure Liquid; Flavonoids; Humans; Hypericum; Perylene; Quercetin; Rutin; Time Factors

2004
Comparative chemical composition and variability of biological activity of methanolic extracts from Hypericum perforatum L.
    Natural product research, 2005, Volume: 19, Issue:3

    Topics: Anthracenes; Chromatography, High Pressure Liquid; Hypericum; Methanol; Microbial Sensitivity Tests; Perylene; Plant Extracts; Quercetin; Rutin; Solvents

2005
[Evaluation of preparing process of extract of hypericum perforatum using HPLC fingerprint analysis].
    Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica, 2006, Volume: 31, Issue:10

    Topics: Anthracenes; Chromatography, High Pressure Liquid; Drugs, Chinese Herbal; Flavonoids; Hypericum; Perylene; Plant Components, Aerial; Plants, Medicinal; Quality Control; Quercetin; Rutin; Technology, Pharmaceutical

2006
A mechanistic study on altered pharmacokinetics of irinotecan by St. John's wort.
    Current drug metabolism, 2007, Volume: 8, Issue:2

    Topics: Animals; Anthracenes; Antineoplastic Agents, Phytogenic; Bridged Bicyclo Compounds; Camptothecin; Cell Line, Tumor; Cell Proliferation; Glucuronides; Hypericum; Irinotecan; Male; Microsomes, Liver; Perylene; Phloroglucinol; Plant Extracts; Quercetin; Rats; Rats, Sprague-Dawley; Terpenes

2007
Antiinflammatory and antioxidant activity of Hypericum rumeliacum Boiss. subsp. apollinis (Boiss. & Heldr.) Robson & Strid methanol extract.
    Phytotherapy research : PTR, 2008, Volume: 22, Issue:6

    Topics: Animals; Anthracenes; Anti-Inflammatory Agents; Antioxidants; Chlorogenic Acid; Chondrus; Chromatography, High Pressure Liquid; Edema; Flavonoids; Hindlimb; Hypericum; Male; Methanol; Perylene; Phenols; Plant Components, Aerial; Plant Extracts; Polyphenols; Quercetin; Rats; Rats, Wistar; Rutin

2008
[Studies on the chemical constituents of flowers of Prunus mume].
    Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials, 2008, Volume: 31, Issue:11

    Topics: Anthracenes; Benzoic Acid; Flavonols; Flowers; Molecular Structure; Perylene; Plants, Medicinal; Prunus; Quercetin

2008
Chemical constituents of Hypericum adenotrichum Spach, an endemic Turkish species.
    Natural product research, 2009, Volume: 23, Issue:13

    Topics: Anthracenes; Bridged Bicyclo Compounds; Chromatography, High Pressure Liquid; Hypericum; Kaempferols; Perylene; Phloroglucinol; Quercetin; Terpenes; Turkey

2009
A prolonged protein kinase C-mediated, opioid-related antinociceptive effect of st John's Wort in mice.
    The journal of pain, 2010, Volume: 11, Issue:2

    Topics: Acetic Acid; Analgesics; Analgesics, Opioid; Animals; Anthracenes; Chromatography, High Pressure Liquid; Disease Models, Animal; Dose-Response Relationship, Drug; Drug Administration Routes; Drug Administration Schedule; Drug Compounding; Hypericum; Male; Mice; Naloxone; Naltrexone; Narcotic Antagonists; Pain; Pain Measurement; Pain Threshold; Perylene; Phorbol Esters; Phytotherapy; Protein Kinase C; Quercetin; Somatostatin; Spectrometry, Mass, Electrospray Ionization; Statistics, Nonparametric; Time Factors

2010
Secondary metabolites of Hypericum confertum and their possible chemotaxonomic significance.
    Natural product communications, 2010, Volume: 5, Issue:6

    Topics: Anthracenes; Apigenin; Biflavonoids; Bridged Bicyclo Compounds; Chlorogenic Acid; Hypericum; Perylene; Phloroglucinol; Plant Components, Aerial; Quercetin; Rutin; Terpenes

2010
Pharmacological studies on Hypericum perforatum fractions and constituents.
    Pharmaceutical biology, 2011, Volume: 49, Issue:1

    Topics: Animals; Anthracenes; Calcium; Calcium Channel Blockers; Dose-Response Relationship, Drug; Female; Guinea Pigs; Hypericum; In Vitro Techniques; Male; Perylene; Phloroglucinol; Phosphodiesterase Inhibitors; Plant Extracts; Quercetin; Rabbits; Terpenes; Verapamil

2011
Inhibition of 17β-estradiol activation by CYP1A1: genotype- and regioselective inhibition by St. John's Wort and several natural polyphenols.
    Biochimica et biophysica acta, 2011, Volume: 1814, Issue:1

    Topics: Amino Acid Substitution; Anthracenes; Anti-Inflammatory Agents, Non-Steroidal; Biocatalysis; Cytochrome P-450 CYP1A1; Dose-Response Relationship, Drug; Estradiol; Flavonoids; Flavonols; Genotype; Humans; Hydroxylation; Hypericum; Perylene; Phenols; Plant Extracts; Polyphenols; Quercetin; Recombinant Proteins; Resveratrol; Stereoisomerism; Stilbenes; Substrate Specificity

2011
Biphasic dose-response of antioxidants in hypericin-induced photohemolysis.
    Photodiagnosis and photodynamic therapy, 2011, Volume: 8, Issue:3

    Topics: Algorithms; Anthracenes; Antioxidants; Ascorbic Acid; Calcium Channels; Dose-Response Relationship, Drug; Erythrocytes; Hemolysis; Humans; Male; Peroxidases; Perylene; Photosensitizing Agents; Protein Kinase C; Quercetin; Reactive Oxygen Species; Superoxide Dismutase; Time Factors

2011
[Chemical constituents of ethyl acetate fraction from Hypericum hengshanense].
    Zhong yao cai = Zhongyaocai = Journal of Chinese medicinal materials, 2013, Volume: 36, Issue:10

    Topics: Acetates; Anthracenes; Hypericum; Kaempferols; Magnetic Resonance Spectroscopy; Perylene; Plant Components, Aerial; Plants, Medicinal; Quercetin; Rutin

2013
Hypericum perforatum Reduces Paracetamol-Induced Hepatotoxicity and Lethality in Mice by Modulating Inflammation and Oxidative Stress.
    Phytotherapy research : PTR, 2015, Volume: 29, Issue:7

    Topics: Acetaminophen; Alanine Transaminase; Animals; Anthracenes; Anti-Inflammatory Agents; Antioxidants; Aspartate Aminotransferases; Chemical and Drug Induced Liver Injury; Glutathione; Hypericum; Inflammation; Male; Mice; Oxidative Stress; Perylene; Phloroglucinol; Plant Extracts; Plants, Medicinal; Quercetin; Rutin; Terpenes; Tumor Necrosis Factor-alpha

2015
Permeation Characteristics of Hypericin across Caco-2 Monolayers in the Absence or Presence of Quercitrin - A Mass Balance Study.
    Planta medica, 2015, Volume: 81, Issue:12-13

    Topics: Anthracenes; Biological Transport; Caco-2 Cells; Cell Membrane; Cell Survival; Humans; Hypericum; Molecular Structure; Molecular Weight; Perylene; Quercetin; Solubility

2015
[Pharmacognosy study of Verbascum species].
    Acta pharmaceutica Hungarica, 2015, Volume: 85, Issue:3

    Topics: Anthracenes; Chromatography, Thin Layer; Flavonoids; Flowers; Hemolysis; Perylene; Pharmacognosy; Plants, Medicinal; Quercetin; Rutin; Saponins; Verbascum

2015
Optimized and Validated HPLC Analysis of St. John's Wort Extract and Final Products by Simultaneous Determination of Major Ingredients.
    Journal of chromatographic science, 2017, Sep-01, Volume: 55, Issue:8

    Topics: Anthracenes; Chlorogenic Acid; Chromatography, High Pressure Liquid; Drug Stability; Hypericum; Linear Models; Perylene; Plant Extracts; Quercetin; Reproducibility of Results; Rutin; Sensitivity and Specificity

2017
Methodological aspects of biologically active compounds quantification in the genus Hypericum.
    Journal of pharmaceutical and biomedical analysis, 2018, Jun-05, Volume: 155

    Topics: Anthracenes; Catechin; Chlorogenic Acid; Chromatography, High Pressure Liquid; Hypericum; Perylene; Phloroglucinol; Plant Extracts; Plant Leaves; Plant Stems; Quercetin; Rutin; Terpenes

2018
St John's wort extract influences membrane fluidity and composition of phosphatidylcholine and phosphatidylethanolamine in rat C6 glioblastoma cells.
    Phytomedicine : international journal of phytotherapy and phytopharmacology, 2019, Feb-15, Volume: 54

    Topics: Animals; Anthracenes; Cell Line, Tumor; Cell Membrane; Glioblastoma; Hydrocortisone; Hypericum; Membrane Fluidity; Perylene; Phloroglucinol; Phosphatidylethanolamines; Plant Extracts; Quercetin; Rats; Receptors, Adrenergic, beta-1; Signal Transduction; Terpenes

2019
Development of new and validated HPTLC methods for the qualitative and quantitative analysis of hyperforin, hypericin and hyperoside contents in Hypericum species.
    Phytochemical analysis : PCA, 2022, Volume: 33, Issue:3

    Topics: Anthracenes; Chromatography, Thin Layer; Hypericum; Perylene; Phloroglucinol; Plant Extracts; Quercetin; Terpenes

2022