| mycoflora and ochratoxin-producing strains of aspergillus section nigri in wine grapes in argentina. | the aims of this work were to evaluate the mycoflora and to identify the species of aspergillus with the potential to produce ochratoxin a (oa) from different wine grape varieties from mendoza, argentina. likewise, the capacity to produce oa by aspergillus section nigri was studied. | 2003 | 12859664 |
| ochratoxin a and ochratoxigenic aspergillus species in argentinean wine grapes cultivated under organic and non-organic systems. | the evolution of contamination with aspergillus section nigri and ochratoxin a occurrence was evaluated in four vineyards located at mendoza province, argentina during 2003-2004. the survey included two grape varieties, one of late maturation (bonarda) and the other of early maturation (tempranillo). the vineyards were set under non-organic and organic cropping systems. bunches of grapes at different growth stages were collected, and berries (50 by sample) were plated on petri dishes containing ... | 2007 | 17196283 |
| isolation and selection of yeasts from wine grape ecosystem secreting cold-active pectinolytic activity. | the present study was undertaken with the purpose of selecting yeasts from wine grapes that are able to produce extracellular cold-active pectinases. after two consecutive selections yeast isolates were identified by pheno- and genotyping, and pectinolytic activity was preliminarily characterised at proximate winemaking conditions. out of 1023 indigenous microorganisms isolated from grape skins of d.o. san rafael (mendoza, argentina) viticulture region, 565 (55%) showed pectinolytic activity on ... | 2011 | 21529977 |
| fruit-localized photoreceptors increase phenolic compounds in berry skins of field-grown vitis vinifera l. cv. malbec. | sunlight exposure has multiple effect on fruits, as it affects the light climate perceived by fruit photoreceptors and fruit tissue temperature. in grapes (vitis vinifera l.), light exposure can have a strong effect on fruit quality and commercial value; however, the mechanisms of light action are not well understood. the role of fruit-localized photoreceptors in the control of berry quality traits was evaluated under field conditions in a commercial vineyard in mendoza (argentina). characteriza ... | 2015 | 25514818 |
| phenolic composition of malbec grape skins and seeds from valle de uco (mendoza, argentina) during ripening. effect of cluster thinning. | the phenolic composition of malbec (vitis vinifera l.) grape skins and seeds during ripening and the effect of cluster thinning (ct) in two consecutive seasons (2008-2009) were evaluated by high-performance liquid chromatography-diode array detection/electrospray ionization-mass spectrometry (hplc-dad/esi-ms). removal of 50% of clusters was performed at 40 days (t1), 80 days (t2), and 100 days after flowering (t3) in a vineyard located in southern mendoza (argentina). yield components, with the ... | 2011 | 21520971 |
| phenolic characterization of malbec wines from mendoza province (argentina). | malbec is a wine grape variety that is now mainly produced in mendoza and considered to be the emblematic cultivar of argentina. forty-four phenolic compounds, including hydroxybenzoic and hydroxycinnamic acids and different flavonoids, were identified and quantified in 61 monovarietal malbec wines from 11 geographical zones of mendoza province, using a reversed phase high-performance liquid chromatography system coupled to a diode array detector (hplc-dad). among non-flavonoids, gallic, cis-caf ... | 2010 | 20055443 |