从土壤到葡萄酒:植物覆盖对微生物群落和Cabernet Sauvignon的发酵动态的影响
Gerardo Leal1,2,3,4, Joan Miquel Canals1, Gemma Beltran1
1Departament de Bioquímica i Biotecnologia, Facultat d'Enologia de Tarragona, Universitat Rovira i Virgili, C/Marcel.li Domingo 1, 43007 Tarragona, Spain.
Microorganisms
|December 31, 2025
概括
葡萄园中的覆盖作物为除草剂提供了一个可持续的替代品,影响葡萄酒微生物和化学物质. 豆类覆盖作物,如红三叶草,增强葡萄酒的酸性和多,微妙地改善酒差异化.
科学领域:
- 葡萄种植和葡萄酒学 葡萄种植和葡萄酒学
- 农业生态 农业生态学
- 微生物学 微生物学
背景情况:
- 可持续的葡萄种植实践对环境健康至关重要.
- 覆盖作物为葡萄园中的化学杂草控制提供了一个环保的替代方案.
- 了解葡萄园微生物生态学会影响葡萄酒的质量.
研究的目的:
- 评估不同地面覆盖管理策略对葡萄园微生物群落的影响.
- 评估覆盖作物对卡伯内·索维尼翁果汁和葡萄酒的物理化学性质的影响.
- 探索微生物动态和葡萄酒学参数之间的关系.
主要方法:
- 在Cabernet Sauvignon葡萄园中实施了六种地面覆盖处理 (豆类,杂草,除草剂控制).
- 安普利康测序 (16S rRNA,ITS) 分析了细菌和真菌群落.
- 进行了自发发酵试验和果汁和葡萄酒的化学分析.
主要成果:
- 葡萄表面微生物群落在不同治疗方法之间没有显著差异.
- 豆类覆盖作物,特别是红三叶草,增加了葡萄酒总酸度和多指数,同时降低了pH值.
- 特定的微生物属 (Metschnikowia,Cohnella,Saliterribacillus) 与葡萄酒学参数相关.
结论:
- 豆类覆盖作物微妙调节葡萄园微生物生态和发酵.
- 覆盖作物是一种可持续的方法,可以增强半干旱地区的葡萄酒差异化.
- 这种做法支持环保的葡萄种植和葡萄酒生产.
相关概念视频
Microbial Fermentation
1.3K
Fermentation is a crucial anaerobic metabolic process that enables microbes to derive energy from sugar without relying on oxygen or an electron transport chain. This process is fundamental to various biological and industrial applications and is classified based on the metabolic products generated.Role of Pyruvate in FermentationPyruvate and its derivatives serve as key electron acceptors in fermentative pathways. The oxidation of NADH to regenerate NAD+ is essential for the continuation of...
1.3K
The Roles of Bacteria and Fungi in Plant Nutrition
46.5K
Plants have the impressive ability to create their own food through photosynthesis. However, plants often require assistance from organisms in the soil to acquire the nutrients they need to function correctly. Both bacteria and fungi have evolved symbiotic relationships with plants that help the species to thrive in a wide variety of environments.
46.5K
Environmental Applications of Microorganisms
901
Microorganisms play a pivotal role in maintaining ecosystem balance by recycling essential elements such as carbon, nitrogen, and phosphorus, as well as supporting processes like bioremediation, wastewater treatment, and biofuel production.Microbes in Elemental CyclesIn the carbon cycle, microorganisms decompose organic matter, releasing carbon dioxide via aerobic respiration. This carbon dioxide is subsequently used by photosynthetic organisms to synthesize organic compounds, closing the...
901
Factors Influencing Microbial Growth: pH
1000
Microorganisms are classified as acidophiles, neutrophiles, or alkaliphiles based on their pH growth preferences, reflecting their adaptations to specific environments. Maintaining a stable intracellular pH is critical for macromolecular stability and enzymatic activity, which can be challenged by external pH variations.Neutrophiles, such as Escherichia coli, grow optimally between pH 5.5 and 8.0. These microorganisms inhabit neutral or slightly acidic environments and employ mechanisms like...
1000
Microorganisms in Agriculture and Food industry
1.2K
Microorganisms play a crucial role in agriculture and the food industry, contributing to soil fertility, crop protection, and food production. Their functions range from nitrogen fixation and biopesticide production to fermentation and food preservation, making them indispensable to sustainable farming and food safety.Role in AgricultureNitrogen-fixing bacteria, such as Rhizobium (symbiotic) and Azotobacter (free-living), convert atmospheric nitrogen into ammonia through biological nitrogen...
1.2K
Microbial Nutrition
1.0K
Organisms exhibit remarkable metabolic diversity, categorized based on how they acquire energy and carbon. These strategies enable survival in various ecological niches and are essential for maintaining energy flow and nutrient cycling within ecosystems.Energy and Carbon SourcesOrganisms are classified as phototrophs or chemotrophs based on energy acquisition. Phototrophs use light as their energy source, while chemotrophs rely on oxidizing chemical compounds. Further differentiation arises...
1.0K


