# Hyperforin > chemical compound **Wikidata**: [Q412742](https://www.wikidata.org/wiki/Q412742) **Wikipedia**: [English](https://en.wikipedia.org/wiki/Hyperforin) **Source**: https://4ort.xyz/entity/hyperforin ## References 1. Bicyclo[3.3.1]non-3-ene-2,9-dione, 4-hydroxy-6-methyl-1,3,7-tris(3-methyl-2-buten-1-yl)-5-(2-methyl-1-oxopropyl)-6-(4-methyl-3-penten-1-yl)-, (1R,5S,6R,7S)-. ECHA Substance Infocard database 2. PubChem 3. Freebase Data Dumps. 2013 4. Current St John's wort research from mode of action to clinical efficacy 5. Treatment with Hypericum perforatum L. does not trigger decreased resistance in Staphylococcus aureus against antibiotics and Hyperforin 6. High performance liquid chromatography/electrospray mass spectrometry of Hypericum perforatum extracts 7. Identification of the major constituents of Hypericum perforatum by LC/SPE/NMR and/or LC/MS. 8. Hypericum perforatum--chemical profiling and quantitative results of St. John's Wort products by an improved high-performance liquid chromatography method 9. Improved procedure for the quality control of Hypericum perforatum L. 10. Quantitative analysis of the active components and the by-products of eight dry extracts of Hypericum perforatum L. (St John's Wort). 11. Fast high-performance liquid chromatographic analysis of naphthodianthrones and phloroglucinols from Hypericum perforatum extracts 12. Comparative evaluation of St. John's wort from different Italian regions 13. Evaluation of major active components in St. John's Wort dietary supplements by high-performance liquid chromatography with photodiode array detection and electrospray mass spectrometric confirmation 14. Identification by high-performance liquid chromatography–diode array detection–mass spectrometry and quantification by high-performance liquid chromatography–UV absorbance detection of active constituents of Hypericum perforatum 15. Adhyperforin as a contributor to the effect of Hypericum perforatum L. in biochemical models of antidepressant activity 16. Step by step removal of hyperforin and hypericin: activity profile of different Hypericum preparations in behavioral models 17. The structure of hyperforin 18. The content of hypericins and phloroglucinols in Hypericum perforatum L. seedlings at early stage of development 19. Hypericum perforatum L. - chemotype without rutin from Italy 20. High performance liquid chromatographic analysis of St. John's wort with photodiode array detection. 21. Evaluation of chemical stability of St. John's wort commercial extract and some preparations 22. Development of a simple, rapid and reproducible HPLC assay for the simultaneous determination of hypericins and stabilized hyperforin in commercial St. John's wort preparations 23. Separation of hypericins and hyperforins in extracts of Hypericum perforatum L. using non-aqueous capillary electrophoresis with reversed electro-osmotic flow 24. Supercritical extraction of herbs I: Saw Palmetto, St John's Wort, Kava Root, and Echinacea 25. Clinical significance of hyperforin for the efficacy of Hypericum extracts on depressive disorders of different severities 26. Comparison of German St. John's wort products according to hyperforin and total hypericin content. 27. High-Performance Liquid Chromatography On-Line Coupled to High-Field NMR and Mass Spectrometry for Structure Elucidation of Constituents ofHypericum perforatumL. 28. Supercritical fluid extraction and high-performance liquid chromatographic determination of phloroglucinols in St. John's Wort (Hypericum perforatum L.). 29. Quantitative changes of dianthrones, hyperforin and flavonoids content in the flower ontogenesis of Hypericum perforatum 30. Phenolic compounds from Hypericum perforatum 31. Hypericum perforatum subspecies angustifolium shows a protective activity on the consequences of unavoidable stress exposure at lower doses than Hypericum perforatum perforatum. 32. Effect of acute drought stress and time of harvest on phytochemistry and dry weight of St. John's wort leaves and flowers 33. Significance of Genetic and Environmental Aspects in the Field Cultivation ofHypericum perforatum 34. Quantitative phytochemical analyses of six hypericum species growing in slovenia 35. Adhyperforin: A Homologue of Hyperforin from Hypericum perforatum 36. Analysis and stability of Hyperici oleum 37. Hyperforin, Possibly the Major Non-Nitrogenous Secondary Metabolite of Hypericum perforatum L 38. Antidepressant Activity of Hypericum Perforatum and Hyperforin: the Neglected Possibility 39. Activity Profiles of Two Hyperforin-Containing Hypericum Extracts in Behavioral Models 40. Effects of a Methanolic Extract and a Hyperforin-Enriched CO2Extract of St. John's Wort (Hypericum perforatum) on Intracerebral Field Potentials in the Freely Moving Rat (Tele-Stereo-EEG) 41. Oral Bioavailability of Hyperforin from Hypericum Extracts in Rats and Human Volunteers 42. Determination of Major Constituents in St. John's Wort Under Different Extraction Conditions 43. THE DEVELOPMENT AND EVALUATION OF AN HPLC-DAD METHOD FOR THE ANALYSIS OF THE PHENOLIC FRACTIONS FROM IN VIVO AND IN VITRO BIOMASS OF HYPERICUM SPECIES 44. Determining hyperforin and hypericin content in eight brands of St. John's wort. 45. A Simple and Reliable Semipreparative High-Performance Liquid Chromatography Technique for the Isolation of Marker-Grade Hyperforin from Hypericum perforatum L. Extract 46. Simultaneous Determination of the Predominant Hyperforins and Hypericins in St. John's Wort (Hypericum perforatum L.) by Liquid Chromatography 47. Determination of St. John's Wort Components in Dietary Supplements and Functional Foods by Liquid Chromatography 48. Pharmaceutical quality of hypericum extracts 49. Isolation, purity analysis and stability of hyperforin as a standard material from Hypericum perforatum L. 50. Ontogenetic Variation Regarding Hypericin and Hyperforin Levels in Four Accessions ofHypericum perforatumL.