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Predominant triterpenes (free oleanolic acid, β-sitosterol and β-sitosterol-3-O-β-D-glucoside) in skin and cuticular wax of grape berries have been analysed by liquid chromatography-mass spectrometry… (More)
Abstract An elicitation method increased the synthesis of anthraquinone derivatives occurring in cell suspension cultures of Rubia tinctorum L. High performance liquid chromatography coupled with… (More)
- Károly Bóka, Norbert Orbán, Zoltán Kristóf
- Protoplasma
- 2006
Summary.H2O2 produced in plant cells plays a dual role. In addition to its antimicrobial effect, it also acts as a secondary messenger initiating and modulating responses of plants exposed to… (More)
- Norbert Orbán, Károly Bóka
- Biologia Plantarum
- 2012
Lithium pollution may seriously influence the metabolic and signalling processes of plants. In the present paper, we investigate the effect of lithium chloride on fungal elicitor-triggered H2O2… (More)
- Norbert Orbán, Imre Boldizsár, Károly Bóka
- Biologia Plantarum
- 2007
Dedifferentiation was monitored in Rubia tinctorum L. leaves over a 14-d period after callus induction using transmission electron microscope (TEM), high performance liquid chromatography (HPLC),… (More)
- Károly Bóka, Norbert Orbán
- 2007
Plant defense is based on a complex response triggered by unfavorable external impacts. The redox state of the cells and its temporal alteration, the oxidative burst, is an important regulatory… (More)
- Károly Bóka, Norbert Orbán
- Plant signaling & behavior
- 2007
Plant defense is based on a complex response triggered by unfavorable external impacts. The redox state of the cells and its temporal alteration, the oxidative burst, is an important regulatory… (More)
Nine phenolic compounds (gallic acid, (+)catechin, vanillic and caffeic acid, p-coumaric acid, resveratrol, myricetin, quercitrin and quercetin) of fourteen Eger (Hungarian) young red wines were… (More)
Fixing member for fixing at least one cable, having a recess (8) the outer body (4) and one in the recess (8) of the outer body (4) can be inserted inner body (6), wherein a longitudinal axis (16)… (More)
- Iosif Razec, M. Razec, +4 authors I. Katerov
- 2003