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基于顶空固相微萃取-气相色谱/质谱联用技术的挥发性香气成分分析,对伊斯特拉(克罗地亚)生产的商业受保护原产地名称葡萄酒按品种和收获年份进行区分。

Differentiation of Commercial PDO Wines Produced in Istria (Croatia) According to Variety and Harvest Year Based on HS-SPME-GC/MS Volatile Aroma Compound Profiling.

作者信息

Lukić Igor, Horvat Ivana

机构信息

Institute of Agriculture and Tourism, Karla Huguesa 8, HR-52440 Poreč, Croatia.

出版信息

Food Technol Biotechnol. 2017 Mar;55(1):95-108. doi: 10.17113/ftb.55.01.17.4861.

Abstract

To differentiate monovarietal wines made from native and introduced varieties in Istria (Croatia), samples of Malvazija istarska, Chardonnay and Muscat yellow from two harvest years (2013 and 2014) were subjected to headspace solid-phase microextraction and gas chromatographic/mass spectrometric analysis (HS-SPME-GC/MS) of volatile aroma compounds. Significant effects of variety and harvest year were determined, but their interaction complicated the differentiation. Particular compounds were consistent as markers of variety in both years: nerol for Malvazija, ethyl cinnamate and a tentatively identified isomer of dimethylbenzaldehyde for Chardonnay, and terpenes for Muscat yellow. Wines from 2013 contained higher concentrations of the majority of important volatiles. A 100% correct differentiation of Malvazija istarska and Chardonnay wines according to both variety and harvest year was achieved by stepwise linear discriminant analysis.

摘要

为区分克罗地亚伊斯特拉半岛采用本土品种和引进品种酿造的单一品种葡萄酒,对两个收获年份(2013年和2014年)的伊斯特拉马尔瓦西亚、霞多丽和白麝香葡萄样本进行了挥发性香气化合物的顶空固相微萃取和气相色谱/质谱分析(HS-SPME-GC/MS)。确定了品种和收获年份的显著影响,但其相互作用使区分变得复杂。特定化合物在这两年中均作为品种标志物保持一致:伊斯特拉马尔瓦西亚的橙花醇、霞多丽的肉桂酸乙酯和一种暂定鉴定的二甲基苯甲醛异构体,以及白麝香的萜类化合物。2013年的葡萄酒中大多数重要挥发性物质的浓度更高。通过逐步线性判别分析,根据品种和收获年份对伊斯特拉马尔瓦西亚和霞多丽葡萄酒进行了100%正确的区分。

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Factors influencing the aroma composition of Chardonnay wines.影响霞多丽葡萄酒香气成分的因素。
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