M. S. Lima, Amanda Leite, Yrislane Carvalho Sampaio, F. Vianello, G. Lima
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引用次数: 10
摘要
本研究评估了来自圣弗朗西斯科河谷热带地区不同采收时间的西拉葡萄的主要物理和化学特性，以及它们与所得葡萄酒分析特性的关系。葡萄来自2009年上半年的收获，采摘于Casa Nova - Bahia，一个半干旱和炎热的地区，包括从修剪后84天(84 dap)到葡萄过度成熟开始的间隔，修剪后133天(133 dap)。在84、91、98、105、112、119、126和133 dap的收获，分析葡萄的pH值、可溶性固体和酸度，然后加工用于葡萄酒生产。在126 ~ 133 dap收获的葡萄中，糖酸比最大(s/a = 56)，与花青素最高浓度(851 mg L -1)一致
Influences of the harvest season on analytical characteristics of syrah grapes and wines produced in the northeast region of Brazil
The present study evaluated the main physical and chemical characteristics of Syrah grapes, coming from the tropical region of Sao Francisco river valley, harvested at different times and their relationship with analytical characteristics of resulting wines. Grapes came from the first half of 2009 harvest, collected at Casa Nova - Bahia, a semi-arid and hot region, comprising an interval from 84 days after pruning (84 dap) to the beginning of grape over-ripening, 133 days after pruning (133 dap). Harvests at 84, 91, 98, 105, 112, 119, 126 and 133 dap, were analyzed for pH, soluble solids and acidity in grapes, which were then processed for wine production. Maximum sugar/acidity ratio (s/a = 56) were observed in grapes harvested between 126 and 133 dap, coincided with the highest concentration of anthocyanins (851 mg L -1
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