Obtaining Spatial Variations in Cabernet Sauvignon (Vitis vinifera L.) Wine Flavonoid Composition and Aromatic Profiles by Studying Long-Term Plant Water Status in Hyper-Arid Seasons

IF 3.1 3区 农林科学 Q1 HORTICULTURE
Runze Yu, N. Torres, S. Kurtural
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引用次数: 0

Abstract

The spatial variability in vineyard soil might negatively affect wine composition, leading to inhomogeneous flavonoid composition and aromatic profiles. In this study, we investigated the spatial variability in wine chemical composition in a Cabernet Sauvignon (Vitis vinifera L.) vineyard in 2019 and 2020. Because of the tight relationships with soil profiles, mid-day stem water potential integrals (Ψstem Int) were used to delineate the vineyard into two zones, including Zone 1 with relatively higher water stress and Zone 2 with relatively lower water stress. Wine from Zone 2 generally had more anthocyanins in 2019. In 2020, Zone 1 had more anthocyanins and flavonols. Zone 2 had more proanthocyanidin extension and terminal subunits as well as total proanthocyanidins in 2020. According to the Principal Component Analyses (PCA) for berry and wine chemical composition, the two zones were significantly different in the studied wine aromatic compounds. In conclusion, this study provides evidence of the possibility of managing the spatial variability of both wine flavonoid composition and aromatic profiles through connecting vineyard soil variability to grapevine season-long water status.
通过研究高干旱季节植物的长期水分状况获得赤霞珠(Vitis vinifera L.)葡萄酒黄酮类成分和芳香特征的空间变化
葡萄园土壤的空间变化可能会对葡萄酒成分产生负面影响,导致黄酮类成分和芳香特征的不均匀性。在这项研究中,我们调查了 2019 年和 2020 年赤霞珠(Vitis vinifera L.)葡萄园中葡萄酒化学成分的空间变异性。由于与土壤剖面关系密切,我们利用日中茎干水势积分(Ψstem Int)将葡萄园划分为两个区域,包括水分胁迫相对较高的1区和水分胁迫相对较低的2区。在 2019 年,2 区的葡萄酒通常含有更多的花青素。2020 年,1 区的花青素和黄酮醇含量更高。2020 年,2 区的原花青素延伸部分和末端亚基以及原花青素总量较多。根据浆果和葡萄酒化学成分的主成分分析(PCA),两个区在所研究的葡萄酒芳香化合物方面存在显著差异。总之,这项研究证明,通过将葡萄园土壤的变化与葡萄四季的水分状况联系起来,可以管理葡萄酒黄酮类成分和芳香特征的空间变化。
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来源期刊
Horticulturae
Horticulturae HORTICULTURE-
CiteScore
3.50
自引率
19.40%
发文量
998
期刊介绍: Horticulturae (ISSN 2311-7524) is an international, multidisciplinary, peer-reviewed, open access journal focusing on all areas and aspects of temperate to tropical horticulture. It publishes original empirical and theoretical research articles, short communications, reviews, and opinion articles. We intend to encourage scientists to publish and communicate their results concerning all branches of horticulture in a timely manner and in an open venue, after being evaluated by the journal editors and randomly selected independent expert reviewers, so that all articles will never be judged in relation to how much they confirm or criticize the opinions of other researchers.
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