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Secondary metabolites of Hypericum scabrum and Hypericum bupleuroides
(Taylor & Francis Ltd, 2009)
The genus Hypericum (Guttiferae) is a source of biologically active secondary metabolites, notably hyperforin, hypericins and various phenolics. In the present study the presence of the phloroglucinol derivative hyperforin, ...
An analysis of language and speech disorders in preschool children in Turkey: the case of Beypazarı
(2018)
The children with early language and speech delay have the risk to face with learning disabilitiesas well as psychological and behavioral adjustment problems in the preschool period. The aim of this studyto analyse the ...
Callus induction in some hypericum species growing in Turkey
(2005)
Species of the genus Hypericum have attracted scientific interest due to their variety of phytomedicinals and in vitro propagation has been reported as very useful tool in their multiplication and in studying their ...
Phenological changes in the chemical content of wild and greenhouse-grown Hypericum pruinatum: flavonoids
(Tubitak Scientific & Technical Research Council Turkey, 2014)
The present study was conducted to determine the phenological changes in the content of main flavonoids, namely amentoflavone, hyperoside, isoquercitrin, quercitrin, quercetin, avicularin, rutin, (+)-catechin, and ...
A study on ontogenetic and diurnal variability of laurel (Laurus nobilis L.) leaves
(2003)
In the study conducted on laurel leaves harvested from Laurel tree present in çakırlar Grove of Samsun province during May-October 2001, at morning, noon and evening, ontogenetic and diurnal variability was determined. ...
Secondary Metabolites of Hypericum leptophyllum Hochst., an Endemic Turkish Species
(Hindawi Ltd, 2012)
In the present study, the presence of the phloroglucinol derivative hyperforin, the naphthodianthrones hypericin and pseudohypericin, the phenylpropane chlorogenic acid and the flavonoids rutin, hyperoside, kaempferol, ...
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 ...