Results 111 to 120 of about 4,383 (214)

St. John\'s wort (Hypericum perforatum L.): A Review

open access: yesJournal of Medicinal Plants, 2005
Hypericum perforatum L., also known St. John's wort, is a herbaceous perennial belonging to Hypericaceae family that is a native of Western Europe, North Africa, and Asia. The importance of this plant as a phytopharmaceutical, especially for treatment of
H Naghdi Badi   +3 more
doaj  

Effects of Growth Phases and Intensification of Light on Secondary Metabolites and Agro-Morphological Traits of the St. John’s Wort (Hypericum perforatum L.)

open access: yesPlants
Light regime and growth phase are significant determinants of agro-morphological traits and secondary metabolite accumulation in plants. This study evaluated the effects of two light conditions on agro-morphological and phytochemical traits of two ...
Mina Sadat Tabatabaei   +4 more
doaj   +1 more source

One-pot Diels–Alder cycloaddition/gold(I)-catalyzed 6-endo-dig cyclization for the synthesis of the complex bicyclo[3.3.1]alkenone framework

open access: yesBeilstein Journal of Organic Chemistry, 2011
The rapid synthesis of bicyclo[m.n.1]alkanone cores possessing quaternary carbon centers adjacent to a bridged ketone represents a significant synthetic challenge.
Boubacar Sow   +3 more
doaj   +1 more source

Chemical compound and therapeutic effects of Hypericum perforatum [PDF]

open access: yes, 2016
Hypericum perforatum is native to parts of Europe and Asia but has spread worldwide as a cosmopolitan invasive weed, including to temperate regions of India, China, Canada, Africa, and the United States.
Kiani, S., Rahimi, R.
core  

Secondary Metabolites of and their Possible Chemotaxonomic Significance

open access: yesNatural Product Communications, 2010
The phloroglucinol derivative hyperforin, the naphthodianthrones hypericin and pseudohypericin, the phenylpropane chlorogenic acid, and the flavonoids rutin, hyperoside, apigenin-7- O -glucoside, kaempferol, quercitrin, quercetin and amentoflavone were ...
Cüneyt Çırak   +3 more
doaj   +1 more source

The noni anthraquinone damnacanthal is a multi-kinase inhibitor with potent anti-angiogenic effects [PDF]

open access: yes, 2017
Este es el manuscrito que fue aceptado y que finalmente se publicó en Cancer Letters con el DOI: 10.1016/j.canlet.2016.10.037The natural bioactive compound damnacanthal inhibits several tyrosine kinases.
García-Vilas, Javier A.   +4 more
core  

Cytochrome P450 enzyme mediated herbal drug interactions (Part 1) [PDF]

open access: yes, 2014
It is well recognized that herbal supplements or herbal medicines are now commonly used. As many patients taking prescription medications are concomitantly using herbal supplements, there is considerable risk for adverse herbal drug interactions.
Prachayasittikul, Virapong   +1 more
core  

Secretory structures on the flowers of Hypericum Pubescens and H. Tomentosum [PDF]

open access: yes, 2013
Hypericum L. (Hypericaceae) is a genus represented by ca. 484 species, shrubs, perennial and annual herbs, growing widely in warm-temperate areas in Europe, West Asia and America [1]. H. perforatum (St. John’s wort), the most representative member of the
Ascensão, Lia   +2 more
core  

Экстракционное выделение гиперицинов из некоторых сортов травы зверобоя продырявленного [PDF]

open access: yes, 2012
В данной работе разработан эффективный способ выделения гиперицинов из травы зверобоя, включающий в себя проведение экстракции в аппарате Сокслета и использование этанола в качестве растворителя.
Коваленко, Наталья Александровна   +3 more
core  

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