The anthocyanins of Siahe Sardasht variety (Vitis vinifera L. var. S.S.) were extracted from freezed samples and were purified by adsorption on cation-exchange resin column. Individual pigments were separated by TLC on cellulose plates. Monomeric anthocyanin content that was determined by pH-differential, was 1740.11±3.58 mgL?1 (based on malvidin 3-glucose). Five major pigments were identified ...

Rotundone is an attractive wine aroma compound, especially important for cool climate Shiraz. Its presence in wine is mainly from the grape skin, but can also be found in non-grape tissues, such as leaves and stems. Whether rotundone is produced independently within different grapevine tissues or transported amongst non-grape tissues and grape berries remains unclear. The current study investig...

A method for identification of highly fluorescent compounds in vine leaves infected by Plasmopara viticola was developed using reversed phase liquid chromatography with simultaneous diode array and fluorometric detection. Fluorescent compounds were extracted from leaves with a methanol-water mixture (70:30). Separation by HPLC was performed using a C(18) column and gradient elution with water-a...

Guo D.-L., Zhang Q., Zhang G.-H. (2013): Characterization of grape cultivars from China using microsatellite markers. Czech J. Genet. Plant Breed., 49: 164–170. A total of 32 different grape cultivars including representatives of local Chinese cultivars, some important and widely grown Chinese cultivars and international reference cultivars were genotyped at nine microsatellite loci in order to...

Viticulture and wine production are indispensable elements of Europe’s cultural civilizational identity. The study aimed to characterize raw materials obtained from the common grape vine Vitis vinifera L., their use in cosmetology, presentation vinotherapy as an interesting, cosmetically useful approach utilize body care human well-being improvement. In Poland, treatments becoming a popular sup...

Grapevine biotechnology is one of the most promising developments in the global wine industry, which is increasingly faced with conflicting demands from markets, consumers and environmentalists. In the grapevine industries, this technology and its supporting disciplines entail the establishment of stress tolerant and disease resistant varieties of Vitis vinifera, with increased productivity, ef...

S u m m a r y : Isotope dilution assay was used for the qualitative and quantitative analysis of L-kynurenine and indole-3-acetic acid in grape must . After solid phase extraction, highest selectivity and sensitivity was achieved by high performance liquid chromatography-electrospray ionization tandem mass spectrometry (HPLC-ESI-MS-MS) using selected reaction monitoring (SRM) . In the 24 sample...

For most of Texas, Pierce’s disease (PD) is the greatest limiting factor in cultivating Vitis vinifera and most hybrid wine grapes.Widespread death of wine grapes has been a common occurrence in Texas since the first introduction of old-world varieties brought by European settlers over four hundred years ago. Although the scientific knowledge of Pierce’s disease has grown significantly in recen...