Production of hypericin, pseudohypericin and flavonoids in cell cultures of various Hypericum species and their chemotypes

T Kartnig, I Göbel, B Heydel - Planta Medica, 1996 - thieme-connect.com
Suspension cultures were established from the shoots of sterile germinated seeds of various
provenances of seven Hypericum (H.) species in a half strength modified Murashige and …

Metabolites in cell suspension cultures, calli, and in vitro regenerated organs of Hypericum perforatum cv. Topas

G Pasqua, P Avato, B Monacelli, AR Santamaria… - Plant Science, 2003 - Elsevier
Methanolic extracts from cell suspension cultures, calli, and in vitro regenerated shoots and
roots of Hypericum perforatum cv. Topas have been evaluated for their ability to produce …

Hypericum perforatum (St. John's Wort): In Vitro Culture and the Production of Hypericin and Other Secondary Metabolites

E Čellárová, K Kimakova, Z Daxnerova… - Medicinal and aromatic …, 1995 - Springer
Hypericum perforatum L.(family Hypericaceae)(Fig. 1) is considered an important source of
pharmaceuticals which occur in the aerial parts of the plant (Herba hyperici). The most …

[PDF][PDF] In vitro propagation of Hypericum perforatum L. and accumulation of hypericins, pseudohypericins and phloroglucinols

K Karppinen, Z György, M Kauppinen… - Propag Ornam …, 2006 - researchgate.net
Dias ACP, Seabra RM, Andrade PB, Fernandes-Ferreira M.(1999). The development and
evaluation of an HPLC-DAD method for the analysis of the phenolic fractions from in vivo …

The development and evaluation of an HPLC-DAD method for the analysis of the phenolic fractions from in vivo and in vitro biomass of Hypericum species

ACP Dias, RM Seabra, PB Andrade… - Journal of liquid …, 1999 - Taylor & Francis
A new HPLC-DAD method for separation and identification of the main phenolics present in
in vivo and in vitro biomass of Hypericum perforatum and Hypericum androsaemum has …

Hypericin and hyperforin production in St. John's wort in vitro culture: influence of saccharose, polyethylene glycol, methyl jasmonate, and Agrobacterium tumefaciens

M Pavlik, J Vacek, B Klejdus… - Journal of agricultural and …, 2007 - ACS Publications
Influence of saccharose in the presence or absence of polyethylene glycol (PEG), methyl
jasmonate, and an inactivated bacterial culture of Agrobacterium tumefaciens in cultivation …

In vitro culture of Hypericum rumeliacum Boiss. and production of phenolics and flavonoids

K Danova, E Čellárová, A Macková… - In Vitro Cellular & …, 2010 - Springer
Abstract The Balkan endemic species, Hypericum rumeliacum, Guttiferae was introduced in
vitro for the first time with the aim to study the type of morphogenetic response to plant …

Variation of total hypericin, phenolic and flavonoid compounds in Hypericum triquetrifolium during its phenological cycle

Z Toker - Pharmaceutical Biology, 2009 - Taylor & Francis
The genus Hypericum (Hypericaceae) contains a variety of structurally diverse natural
products which possess a wide array of biological properties. The present study examined …

Identification and quantification of hypericin and pseudohypericin in different Hypericum perforatum L. in vitro cultures

S Gadzovska, S Maury, S Ounnar, M Righezza… - Plant Physiology and …, 2005 - Elsevier
Investigations have been made to develop an efficient protocol for micropropagation
allowing to improve hypericin and pseudohypericin productions in Hypericum perforatum L …

Hypericin and Pseudohypericin Contents in Some Hypericum. Species Growing in Turkey

AK Ayan, C Çirak - Pharmaceutical biology, 2008 - Taylor & Francis
Hypericin and pseudohypericin content in stems, leaves, and flowers of some Hypericum.
species growing in Turkey, namely, H. heterophyllum. Vent, H. hyssopifolium. L., H …