Results 91 to 100 of about 8,749 (218)

Isolation and Determination of Hypericins from Different Parts of Hypericum triquetrifolium Turra Grown in Khozestan by UV/Visible Spectrophotometry

open access: yesMajalah-i ̒ilmī pizishkī-i jundī/shapūr, 2012
Background & Objective: Hypericin is a naphtodianthrone with multiple pharmacologic actions. Hypericum triquetrifolium Turra grows in different part of Iran.
Nasrin Aghel   +2 more
doaj  

The antidepressant effect of hypericum perforatum extract Ze 117 is associated with reduced possibilities of drug interactions than hypericum perforatum extract LI 160. [PDF]

open access: yes, 2013
Hypericum perforatum (HP) is the most extensively investigated medicinal herbs with antidepressant effect. Differences showed by HP extracts in their antidepressant effect and their clinical consequence of HP-drug interactions have been related with HP ...
Bellido, M Victoria   +5 more
core  

Characterizing the Metabolic Fingerprint and Anti-inflammatory Activity of Hypericum gentianoides [PDF]

open access: yes, 2008
In this paper we characterize the metabolic fingerprint and first reported anti-inflammatory activity of Hypericum gentianoides. H. gentianoides has a history of medical use by Native Americans, but it has been studied very little for biological activity.
Birt, Diane   +5 more
core   +3 more sources

Improvement of Hypericin and Hyperforin Production Using Zinc and Iron Nano-oxides as Elicitors in Cell‏ Suspension Culture of St John's wort (Hypericum perforatum L.) [PDF]

open access: yesJournal of Medicinal Plants and By-products, 2013
Zinc and iron nano-oxides (100 ppb) were promoted the hypericin and hyperforin production in Hypericum perforatum cell suspension culture. High performance liquid chromatography method was used for detectection and identification of hypericin and ...
doaj  

Effect of plant growth regulators on growth patterns and enzymatic antioxidant activities in Hypericum calycinum shoot cultures [PDF]

open access: yes, 2014
Open Access JournalHypericum calycinum L. (section Ascyreia) is a species of the Hypericum genus, relative to the medicinal plant H. perforatum (St. Jonn’s worth). Unlike the widely studied H.
Danova, Kalina   +3 more
core   +1 more source

Получение гиперицинобогащенных экстрактов зверобоя продырявленного [PDF]

open access: yes, 2015
Приведены результаты твердофазной экстракции (ТФЭ) препаратов травы зверобоя. Для получения экстрактов использовали воздушно-сухое растительное сырье зверобоя продырявленного Hypericum perforatum L.
Коваленко, Наталья Александровна   +3 more
core  

L., Crantz., L. and L.: Phytochemical and Morphological Studies

open access: yesNatural Product Communications, 2006
Four species of Hypericum growing in Italy were characterized morphologically and chemically: Hypericum perforatum L., H. maculatum Crantz., H. calycinum L. and H. pulchrum L. The composition of secondary metabolites (phloroglucinols, naphthodianthrones,
Gelsomina Fico   +3 more
doaj   +1 more source

On the Mechanism of Action of Anti-Inflammatory Activity of Hypericin: An In Silico Study Pointing to the Relevance of Janus Kinases Inhibition

open access: yesMolecules, 2018
St. John’s Wort (Hypericum perforatum L.) flowers are commonly used in ethnomedical preparations with promising outcomes to treat inflammation both per os and by topical application. However, the underlying molecular mechanisms need to be described
Luca Dellafiora   +4 more
doaj   +1 more source

Phytochemical and antioxidant characterization of Hypericum perforatum alcoholic extracts [PDF]

open access: yes, 1993
The antioxidant potentials of a total ethanolic extract of Hypericum perforatum (TE) and fractions were evaluated and correlated with their phenolic contents. The extracts were fully characterised by HPLC-DAD-MS-MS.
Silva, Bruno A.   +3 more
core   +1 more source

Does hypericin boost the efficacy of high-power laser? A preliminary experimental study on rats

open access: yesSão Paulo Medical Journal
CONTEXT AND OBJECTIVE: Lasers are widely used in treating symptomatic benign prostatic hyperplasia. In current practice, potassium titanyl phosphate (KTP) lasers are the most common type of laser systems used.
Murat Zor   +7 more
doaj   +1 more source

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