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Factors affecting the variation of bioactive compounds in Hypericum species
(Akademiai Kiado Zrt, 2019)
The genus Hypericum (Hypericaceae) consists of 484 species from 36 sections with worldwide distribution in different areas. Turkey is considered as hot spot for diversity of Hypericum genus. Despite numerous publications, ...
High-Temperature Inhibition of Seed Germination of Hemp (Cannabis Sp.)
(Parlar Scientific Publications (P S P), 2018)
This study aimed to inhibit the germination of hemp seeds (Cannabis sp.) by heat treatment. The hemp seeds were kept at eight different temperatures of 20 degrees C (control) and 45, 55, 65, 75, 85, 95 and 105 degrees C ...
Chemical composition of Hypericum species from the Taeniocarpium and Drosanthe sections
(Springer Wien, 2014)
The presence of several phytochemicals, namely naphthodianthrones hypericin and pseudohypericin, phloroglucinol derivatives hyperforin and adhyperforin, the phenolic acids as chlorogenic acid, neochlorogenic acid, caffeic ...
Hypericum origanifolium Willd.: the essential oil composition of a new valuable species
(Elsevier, 2015)
Turkish Hypericum origanifolium Willd has been recently considered for its hypericin and phenolic content as a potential substitute of the well-established EU market position Hypericum perforatum. However, a complete ...
The modeling of the relation among the temperature and light intensity of growth in Ocimum basilicum L.
(Academic Journals, 2009)
Changes in plant growth caused by the effects of environmental conditions such as temperature and light intensity were intended to be described by plant growth models. The study was aimed to define the relationships between ...
The quantitative effect of temperature and light intensity at growth in Origanum onites L.
(Academic Journals, 2010)
The study was aimed to define the relationships between temperature, light intensity and growth parameters. Namely, net assimilation rate, relative growth rate, leaf weight ratio, leaf area ratio and specific leaf area for ...
Variation of Bioactive Secondary Metabolites in Hypericum triquetrifolium Turra from Wild Populations of Turkey
(Sage Publications Inc, 2008)
The present study was conducted to determine the variation in the content of hyperforin, hypericin and pseudohypericin in Hypericum triquetrifolium Turra growing wild in four locations of Turkey. The aerial parts, representing ...
Variation of bioactive substances in Hypericum montbretii during plant growth
(Taylor & Francis Ltd, 2008)
The present study was conducted to determine phenologic and morphogenetic variation of chlorogenic acid and flavonoids, as rutin, hyperoside, apigenin-7-O-glucoside, quercitrin, quercetin and viteksin content of Hypericum ...
Variation of hypericins in Hypericum triquetrifolium Turra growing in different locations of Turkey during plant growth
(Taylor & Francis Ltd, 2008)
The principle medicinal secondary metabolites present in Hypericum species are thought to be naphthodianthrones hypericin and pseudohypericin. The present study was conducted to determine ontogenetic and morphogenetic ...
Seasonal variation of hypericin and pseudohypericin contents in Hypericum scabrum L. growing wild in Turkey
(Natural Products Inc, 2008)
The present study was conducted to determine ontogenetic and morphogenetic variations of hypericin and pseudohypericin contents in Hypericum scabrum growing in Turkey. Plants were harvested at vegetative, floral budding, ...
