Canopy Management and Enzyme Impacts on Merlot, Cabernet franc, and Cabernet Sauvignon. II. Wine Composition and Quality

Profio, Frederick Di; Reynolds, Andrew G.; Kasimos, Angela

doi:10.5344/ajev.2010.10035

Cited by 29 publications

(48 citation statements)

References 26 publications

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“…The decreases in Brix and phenolic compounds in control fruit and wines observed in this work might indicate a relationship between sugar-based and phenolic maturity. Similar explanation has been suggested by Guidoni et al (2008), Di Profio et al (2011b), and others.…”

Section: Resultssupporting

confidence: 89%

“…The individual and/or total anthocyanins contents responded positively to CT+BT treatment, where Cabernet Sauvignon was somewhat more responsive than Merlot, similar to Di Profio et al (2011b).…”

Section: Resultsmentioning

confidence: 92%

“…Many similar studies found that cluster thinning tended to result in higher content of wine phenols (Prajitna et al 2007;Di Profio et al 2011b). The suggestion that grapes from low-crop vines accumu- CT -cluster thinning; BT -berry thinning; C -control; values followed by the same letter do not differ significantly at P = 0.05; significant at ***P ≤ 0.001, **P ≤ 0.01, *P ≤ 0.05, ns -non-significant CT -cluster thinning; BT -Berry thinning; C -control; Y × T -year × treatment; values followed by the same letter do not differ significantly at P = 0.05; significant at ***P ≤ 0.001, **P ≤ 0.01, *P ≤ 0.05, ns -non-significant late more phenolic compounds than those produced by high-crop vines is a general statement derived from this work, which is in agreement with Prajitna et al (2007).…”

Section: Resultsmentioning

confidence: 99%

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Effect of cluster and berry thinning on Merlot and Cabernet Sauvignon wines composition

Karoglan¹,

Osrečak²,

Maslov³

et al. 2014

Czech J. Food Sci.

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Karoglan M., Osrečak M., Maslov L., Kozina B. (2014): Effect of cluster and berry thinning on Merlot and Cabernet Sauvignon wines composition. Czech J. Food Sci., 32: 470-476.The manipulation of grape yield is widely practised to improve grape and wine quality. Merlot and Cabernet Sauvignon vines in the Zagreb vineyard hills, north-western Croatia, were subjected to three crop removal treatments [cluster thinning (CT), berry thinning (BT), CT+BT, and untreated control] in a randomised block design experiment. CT and CT+BT treatments reduced the grape yield but increased the mean cluster weight compared to control vines. BT alone had a little effect on the yield components. Control grapes generally had the lowest soluble solids (°Oe) and highest titratable acidity (g/l). In most cases, control wines had the lowest total phenols, flavan-3-ols, and anthocyanin concentrations, while CT+BT treatment had the highest ones followed by CT treatment. It was concluded that CT+BT produced wines with generally increased total phenols, flavan-3-ols, and anthocyanins, as well as many individual phenolic compounds. Thus, grape yield per vine seems to be strongly connected with the grape and wine compositions. The final cost-effectiveness of this canopy interventions still remains questionable.

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Section: Resultssupporting

confidence: 89%

Section: Resultsmentioning

confidence: 92%

Section: Resultsmentioning

confidence: 99%

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Effect of cluster and berry thinning on Merlot and Cabernet Sauvignon wines composition

Karoglan¹,

Osrečak²,

Maslov³

et al. 2014

Czech J. Food Sci.

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“…These data are in agreement with those of Di Profio et al (2011), when studying the Cabernet Sauvignon, Merlot, and Cabernet Franc cultivars in the USA. These results can be explained by the fact that anthocyanin content is highly dependent on the levels of solar radiation, both in the vegetative canopy and directly in the clusters (Sun et al, 2012).…”

Section: Resultssupporting

confidence: 82%

Agronomic performance of 'Cabernet Sauvignon' with leaf removal management in a high-altitude region of Southern Brazil

Würz

Brighenti

Filho³

et al. 2017

Pesq. agropec. bras.

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-The objective of this work was to compare the effect of different times of leaf removal on the vegetative-productive efficiency and on the chemical and physical characteristics of 'Cabernet Sauvignon' clusters in a high-altitude region of the state of Santa Catarina, Brazil. The experiment was conducted in the 2015 and 2016 vintages, in a commercial vineyard, located in the municipality of São Joaquim, in the state of Santa Catarina, at 1,230-m altitude. The treatments consisted of different times leaf removal in the cluster zone, in the following phenological stages: full bloom, buckshot berries, pea-sized berries, veraison, and 15 days after veraison, besides a control without leaf removal. The evaluated variables were subjected to the analysis of variance and compared with the Scott-Knott test, at 5% probability. In a high-altitude region, leaf removal provides more adequate indices for plant vegetative:yield balance. It also increases yield when performed during the pea-sized berry and veraison stages, increases the fertility index when performed during the pea-sized berry stage, and improves the chemical composition of 'Cabernet Sauvignon' grape when performed up to the pea-sized berry stage. The obtained results show the importance of early leaf removal to obtain must with potential for the production of quality wines.

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“…Quantification of sugars was performed by generation of a three-point calibration curve of the various sugar standards. Separation of anthocyanin and phenols was carried out using a Zorbax StableBond SB-C18 reversed-phase column (50 mm x 4.6 mm, 3.5 μm) (Phenomenex, Torrance, CA) with a Phenomenex SecurityGuard™ C-18 4-mm guard cartridge using techniques described in detail in Di Profio et al (2011). The binary mobile phase consisted of 0.2% trifluoroacetic acid (TFA) (solvent A), and HPLC-grade acetonitrile and 0.2% TFA (solvent B).…”

Section: Hplc Analysismentioning

confidence: 99%

Use of HPLC for characterization of sugar and phenolic compounds in Vitis labrusca juice

Barros

Mio

Biasi

et al. 2014

Idesia

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Two Vitis labrusca cultivars [Bordô (Ives), Concord] grafted to two rootstocks (1103 Paulsen, VR043-43) were combined in a randomized complete block experiment with a factorialized treatment arrangement in southern Brazil. Clusters were sampled over two seasons (2012, 2013) and analyzed for Brix, titratable acidity (TA) and pH, sucrose, glucose and fructose, as well as malvidin and cyanidin-3,5-diglucosides, quercetin and trans-resveratrol. Concord had the highest Brix and lowest TA in both years. Total sugars, glucose, and fructose were highest in Bordô/VR043-43 and Concord/1103 Paulsen. Total anthocyanins+quercetin were substantially higher in Bordô compared to Concord and were enhanced in both cultivars by VR043-43, while malvidin was increased in Bordô by VR043-43 as well. Cyanidin was detected in Concord only and was increased by VR043-43 in 2013. Quercetin and trans-resveratrol were detected in Bordô only; quercetin was highest in vines grafted to Paulsen 1103 and trans-resveratrol in those on VR043-43. The results suggest a strong rootstock influence on fruit composition of both cultivars-particularly quercetin and trans-resveratrol, which may have positive health implications in terms of antioxidant capacity.Key words: Concord, rootstocks, anthocyanins, resveratrol. RESUMEN Se evaluaron dos cultivares de

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Canopy Management and Enzyme Impacts on Merlot, Cabernet franc, and Cabernet Sauvignon. II. Wine Composition and Quality

Cited by 29 publications

References 26 publications

Effect of cluster and berry thinning on Merlot and Cabernet Sauvignon wines composition

Effect of cluster and berry thinning on Merlot and Cabernet Sauvignon wines composition

Agronomic performance of 'Cabernet Sauvignon' with leaf removal management in a high-altitude region of Southern Brazil

Use of HPLC for characterization of sugar and phenolic compounds in Vitis labrusca juice

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