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Hassimotto,Neuza Mariko Aymoto; Mota,Renata Vieira da; Cordenunsi,Beatriz Rosana; Lajolo,Franco Maria. |
Five blackberry cultivars (Rubus sp.) were evaluated for antioxidant capacity, bioactive compounds and composition. Ascorbic acid levels, consisting of dehydro-ascorbic acid, ranged from 9.8 to 21.4 mg.100 g-1 fresh weight. Cyanidin (66 to 80% of total flavonoids), epicatechin, quercetin and traces of kaempferol were the main flavonoids found in all cultivars. The five cultivars presented high antioxidant capacity in the β-carotene/linoleic acid system, with inhibition similar to the synthetic antioxidant BHT, at a 50 µM concentration. Caingangue cultivar presented high vitamin C and total phenolics content, while Guarani had the highest cyanidin, total anthocyanin and total flavonoids levels and also the highest antioxidant capacity. These cultivars also... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Rubus; Flavonoids; Anthocyanin; Antioxidant capacity. |
Ano: 2008 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0101-20612008000300029 |
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Mota,Renata Vieira da; Peregrino,Isabela; Rivera,Stephanie Patricia Teran; Hassimotto,Neuza Mariko Aymoto; Souza,André Luiz de; Souza,Claudia Rita de. |
ABSTRACT: Double pruning extended the harvest season of wine grape (Vitis vinifera L.) to dry winter, enabling production of high quality wines in the southeastern Brazil. Winter harvest allows grapes to fulfill not only technological maturation, but also phenolic ripeness. Winter wines from Syrah grapes harvested from eight vineyards in southeastern Brazil during three harvests were analyzed for their chemical and aromatic composition after bottling and after ageing for 20, 30, and 42 months in bottle. Winter wines have high content of total phenolic compounds, which remained almost constant through ageing, as well as color intensity. Malvidin 3-O-glucoside stood out among anthocyanins, remaining 5-10 % after 39 months of ageing. Moreover, malvidin... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Double-pruning; Composition; Color; Phenolics; Aroma. |
Ano: 2021 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162021000300903 |
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