Understanding flavour development in interspecific hybrid grapes and wines

了解种间杂交葡萄和葡萄酒的风味发展

基本信息

  • 批准号:
    RGPIN-2017-06874
  • 负责人:
  • 金额:
    $ 1.89万
  • 依托单位:
  • 依托单位国家:
    加拿大
  • 项目类别:
    Discovery Grants Program - Individual
  • 财政年份:
    2022
  • 资助国家:
    加拿大
  • 起止时间:
    2022-01-01 至 2023-12-31
  • 项目状态:
    已结题

项目摘要

As climate is changing worldwide, the need for adaptable cultivars capable to produce crops under various biotic and abiotic conditions is expending. However, the occurrence of certain quality traits such as diseases resistance and/or cold adaptation results in major changes in the biochemistry of fruit crops that may impact flavour development and, ultimately, affect fruit quality. Such disparities have been the main limitation to the expansion of interspecific hybrid grapes (IHG) in wine production, despite their suitability for low-pesticide and/or northern wine production. The biochemical differences between IHG and V. vinifera in regards of berry ripening, growing conditions, and wine production have been little studied. In this context, the long-term objective of our research program is to understand the impact of cold- and disease-resistance quality traits on the fruit biochemistry and flavour development in Vitis sp., and the relationships between the chemical composition of these fruits and the chemical composition of wine with regards to flavours compounds. In the next five years, we intent to pursue the following objectives: 1) Study the impact of growing temperature on the accumulation of metabolites (e.g., sugars, organic acids, plant hormones, volatile compounds) during berry ripening under greenhouse-controlled conditions; and 2) Identify and characterize grape-related compounds involved in the development of herbaceous aroma and other off-flavours in red wine with emphasis on potent odorants and new molecules. Our scientific approach will consist of targeted and untargeted metabolomics characterization of the fruit, on the comparison of IHG and V. vinifera varieties with respect to fruit biochemistry, and grapevine phenology and physiology under different abiotic conditions, and on the relationships between grape and wine chemistry. Cold injuries are the main limiting factor for wine production in many regions across Canada, and fungal diseases are perhaps the principal issue in viticulture worldwide. Understanding the multifaceted relationships determining fruit quality in cultivars adapted or not to challenging environments will provide valuable information for the development of innovative production methods that will strengthen the wine industry in Ontario, Nova Scotia and Quebec. Knowledge gained on the complex metabolisms related to cold- and disease-resistant traits will contribute to significantly improve varietal innovation in perennial fruit crops. This program will also offer an outstanding platform to train graduate and undergraduate students in viticulture, fruit biochemistry and wine science, in the French language, in Eastern Canada. With the ongoing expansion of the Nova Scotia wine industry, these HQP will be welcome professionals that will constitute a major benefit for the province's economy.
随着全球气候的变化,对能够在各种生物和非生物条件下生产作物的适应性品种的需求正在扩大。然而,某些品质性状如抗病性和/或冷适应性的出现导致水果作物的生物化学发生重大变化,这可能影响风味的形成,并最终影响水果品质。这种差异一直是主要限制种间杂交葡萄(IHG)在葡萄酒生产中的扩张,尽管它们适合低农药和/或北方葡萄酒生产。IHG和V. vinifera在浆果成熟、生长条件和葡萄酒生产方面的生化差异研究很少。在此背景下,我们研究计划的长期目标是了解抗寒和抗病品质性状对葡萄属物种果实生化和风味发育的影响,以及这些水果的化学成分与葡萄酒的化学成分之间的关系。在未来的五年里,我们打算追求以下目标:1)研究生长温度对代谢产物积累的影响(例如,糖、有机酸、植物激素、挥发性化合物);以及2)鉴定和表征与红葡萄酒中草本香气和其他异味的发展有关的葡萄相关化合物,重点是强气味剂和新分子。我们的科学方法将包括水果的靶向和非靶向代谢组学表征,IHG和V. vinifera品种在水果生物化学方面的比较,以及不同非生物条件下葡萄藤物候学和生理学,以及葡萄和葡萄酒化学之间的关系。冷害是加拿大许多地区葡萄酒生产的主要限制因素,真菌疾病可能是全球葡萄栽培的主要问题。了解多方面的关系,决定品种的水果质量适应或不具有挑战性的环境将提供有价值的信息,创新的生产方法,将加强葡萄酒行业在安大略,新斯科舍省和魁北克的发展。在与抗寒和抗病性状相关的复杂代谢方面获得的知识将有助于显着提高多年生水果作物的品种创新。该计划还将提供一个优秀的平台,培养研究生和本科生在葡萄栽培,水果生物化学和葡萄酒科学,在法语,在加拿大东部。随着新斯科舍省葡萄酒行业的不断扩大,这些HQP将是受欢迎的专业人士,将构成该省经济的主要利益。

项目成果

期刊论文数量(0)
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Pedneault, Karine其他文献

Fatty acid profiles of polar and non-polar lipids of Pleurotus ostreatus and P-cornucopiae var. 'citrino-pileatus' grown at different temperatures
  • DOI:
    10.1016/j.mycres.2007.06.014
  • 发表时间:
    2007-10-01
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Pedneault, Karine;Angers, Paul;Tweddell, Russell J.
  • 通讯作者:
    Tweddell, Russell J.
The organic vineyard as a balanced ecosystem: Improved organic grape management and impacts on wine quality
  • DOI:
    10.1016/j.scienta.2016.04.024
  • 发表时间:
    2016-08-29
  • 期刊:
  • 影响因子:
    4.3
  • 作者:
    Provost, Caroline;Pedneault, Karine
  • 通讯作者:
    Pedneault, Karine
Pomace limits tannin retention in Frontenac wines
  • DOI:
    10.1016/j.foodchem.2018.10.116
  • 发表时间:
    2019-03-30
  • 期刊:
  • 影响因子:
    8.8
  • 作者:
    Nicolle, Pamela;Marcotte, Charlene;Pedneault, Karine
  • 通讯作者:
    Pedneault, Karine
Impact of Frozen Storage on the Free Volatile Compound Profile of Grape Berries
Flavor of Cold-Hardy Grapes: Impact of Berry Maturity and Environmental Conditions

Pedneault, Karine的其他文献

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{{ truncateString('Pedneault, Karine', 18)}}的其他基金

Understanding flavour development in interspecific hybrid grapes and wines
了解种间杂交葡萄和葡萄酒的风味发展
  • 批准号:
    RGPIN-2017-06874
  • 财政年份:
    2021
  • 资助金额:
    $ 1.89万
  • 项目类别:
    Discovery Grants Program - Individual
Understanding flavour development in interspecific hybrid grapes and wines
了解种间杂交葡萄和葡萄酒的风味发展
  • 批准号:
    RGPIN-2017-06874
  • 财政年份:
    2020
  • 资助金额:
    $ 1.89万
  • 项目类别:
    Discovery Grants Program - Individual
Extraction and valorization of high-value phytochemicals from Nova Scotia seaweeds
新斯科舍省海藻中高价值植物化学物质的提取和增值
  • 批准号:
    544028-2019
  • 财政年份:
    2019
  • 资助金额:
    $ 1.89万
  • 项目类别:
    Engage Grants Program
Understanding flavour development in interspecific hybrid grapes and wines
了解种间杂交葡萄和葡萄酒的风味发展
  • 批准号:
    RGPIN-2017-06874
  • 财政年份:
    2019
  • 资助金额:
    $ 1.89万
  • 项目类别:
    Discovery Grants Program - Individual
Understanding flavour development in interspecific hybrid grapes and wines
了解种间杂交葡萄和葡萄酒的风味发展
  • 批准号:
    RGPIN-2017-06874
  • 财政年份:
    2018
  • 资助金额:
    $ 1.89万
  • 项目类别:
    Discovery Grants Program - Individual
Understanding flavour development in interspecific hybrid grapes and wines
了解种间杂交葡萄和葡萄酒的风味发展
  • 批准号:
    RGPIN-2017-06874
  • 财政年份:
    2017
  • 资助金额:
    $ 1.89万
  • 项目类别:
    Discovery Grants Program - Individual

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Understanding flavour development in interspecific hybrid grapes and wines
了解种间杂交葡萄和葡萄酒的风味发展
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Understanding flavour development in interspecific hybrid grapes and wines
了解种间杂交葡萄和葡萄酒的风味发展
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