protohypericin has been researched along with protopseudohypericin in 4 studies
| Studies (protohypericin) | Trials (protohypericin) | Recent Studies (post-2010) (protohypericin) | Studies (protopseudohypericin) | Trials (protopseudohypericin) | Recent Studies (post-2010) (protopseudohypericin) |
|---|---|---|---|---|---|
| 16 | 0 | 5 | 9 | 0 | 1 |
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 0 (0.00) | 18.7374 |
| 1990's | 1 (25.00) | 18.2507 |
| 2000's | 2 (50.00) | 29.6817 |
| 2010's | 1 (25.00) | 24.3611 |
| 2020's | 0 (0.00) | 2.80 |
| Authors | Studies |
|---|---|
| Lotz, R; Piperopoulos, G; Schmierer, T; Wixforth, A; Zeller, KP | 1 |
| Di Gregorio, F; Girardin, P; Poutaraud, A; Tin, VC | 1 |
| Avramakis, E; Dörnemann, D; Kotzabasis, K; Navakoudis, E; Stavropoulos, I; Xenophontos, M | 1 |
| Čellárová, E; Janfelt, C; Kimáková, K; Kucharíková, A | 1 |
4 other study(ies) available for protohypericin and protopseudohypericin
| Article | Year |
|---|---|
Determination of naphthodianthrones in plant extracts from Hypericum perforatum L. by liquid chromatography-electrospray mass spectrometry.
Topics: Anthracenes; Chromatography, High Pressure Liquid; Mass Spectrometry; Perylene; Plant Extracts; Plants, Medicinal | 1997 |
Effect of light on hypericins contents in fresh flowering top parts and in an extract of St. John's Wort (Hypericum perforatum).
Topics: Anthracenes; Antidepressive Agents; Chromatography, High Pressure Liquid; Enzyme Inhibitors; Hypericum; Perylene; Pigments, Biological; Plant Extracts; Plant Leaves; Plant Stems; Plants, Medicinal; Sunlight | 2001 |
Influence of the habitat altitude on the (proto)hypericin and (proto)pseudohypericin levels of hypericum plants from Crete.
Topics: Acclimatization; Altitude; Chromatography, High Pressure Liquid; Flowers; Geography; Greece; Hypericum; Light; Perylene; Plant Leaves; Species Specificity; Ultraviolet Rays | 2008 |
Interspecific variation in localization of hypericins and phloroglucinols in the genus Hypericum as revealed by desorption electrospray ionization mass spectrometry imaging.
Topics: Anthracenes; Hypericum; Perylene; Phloroglucinol; Plant Leaves; Species Specificity; Spectrometry, Mass, Electrospray Ionization; Terpenes | 2016 |