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避雨栽培对赤霞珠葡萄酒非花色苷酚类的影响

China Brewing(2012)

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Abstract
研究避雨栽培对葡萄酒非花色苷酚类的影响,为酿酒葡萄避雨栽培技术的实施提供理论依据.采取简单避雨方式,以赤霞珠(Vitis vinifera L cv.Cabernet Sauvignon)葡萄为材料,在转色后进行避雨处理,以露地栽培为对照;葡萄收获后采用传统工艺酿制干红葡萄酒,测定其基本理化指标及非花色苷酚的种类和含量,获得如下结果:(1)避雨栽培降低了赤霞珠葡萄酒总酸、总酚和单宁含量,但差异不显著.(2)避雨栽培对一些单体非花色苷酚类含量存在显著影响,显著降低了黄炕醇类总量,但对黄酮醇和类黄酮酚总量无显著影响;极显著降低了苯甲酸、芪类和非类黄酮酚,增加了肉桂酸类含量.(3)对葡萄酒非花色苷酚类物质种类无影响,降低了非花色苷酚类总量但差异不显著.因此,在赤霞珠葡萄转色期采取避雨措施,对干红葡萄酒非花色苷酚类的影响不显著.
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Key words
wine,rain protected cultivation,nonanthocyanin phenolic compounds,Cabernet Sauvignon
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