在小麦粉泥发酵过程中微生物群落动力学和代谢物变化
Xiaoping Li1, Yujin Yang1, Xin Fan1
1College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710062, China.
Foods (Basel, Switzerland)
|August 29, 2024
概括
用特定的细菌和真菌发酵小麦粉泥增强了甘米安皮面条的质量. 经过两到三天的最佳发酵,可以改善纹理和感官属性,为初始培养的发展提供了洞察力.
科学领域:
- 食品微生物学 食品微生物学
- 发酵科学 发酵科学
- 面条技术 面条技术
背景情况:
- 甘米安皮是一种传统的中国面条,是由发酵的小麦粉泥制成的.
- 了解发酵过程中的微生物动力学和代谢物变化对于质量控制至关重要.
研究的目的:
- 为了研究小麦粉发酵泥中的微生物种群动态和代谢物变化.
- 为了评估发酵对Ganmianpi纹理和感官特性的影响.
- 为了确定甘米安皮生产的最佳发酵时间.
主要方法:
- 高通量测序用于微生物分析.
- 头部空间固态微提取气色谱-质谱 (HS-SPME/GC-MS) 用于代谢物分析.
- 纹理分析和Ganmianpi的感官评估.
主要成果:
- Latilactobacillus curvatus和Leuconostoc citreum被确定为主要的细菌;Saccharomyces cerevisiae和Kazachstania wufongensis作为主要的真菌.
- 发酵改变了糖含量和增加了可定位酸度,其中非挥发性酸占主导地位.
- 发现了62种挥发性化合物,主要是酒精和酸.
- 发酵改善了甘米安皮的弹性和凝聚力,同时降低了硬度和性.
- 甘米安皮发酵了2-3天,获得了更高的感官分数.
结论:
- 小麦粉发酵显著影响甘米安皮的微生物群体,代谢物和质量属性.
- 经过两到三天的发酵,在质地和感官感知方面产生了优越的甘米安皮.
- 这些发现为开发初始培养和改善甘米安皮生产提供了基础.
相关概念视频
Microbial Fermentation
1.8K
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...
1.8K
Microbes in Food Production
403
Microbial fermentation is central to food biotechnology, enhancing flavor, texture, preservation, and stability. Fermentative microorganisms metabolize carbohydrates into organic acids, alcohols, and other metabolites that inhibit spoilage organisms and improve digestibility while contributing distinctive sensory qualities.In baking, amylases naturally present in flour hydrolyze starch into monosaccharides such as glucose, which Saccharomyces cerevisiae ferments anaerobically. Through...
403
Microbes in Beverage Production
298
Alcoholic beverages such as wine, beer, and spirits are the products of microbial fermentation processes that transform simple sugars into ethanol and a wide array of complex flavor compounds. These transformations rely on the metabolic activities of specific yeasts and bacteria, which are selected and controlled to yield the desired beverage characteristics.Wine Fermentation and MaturationWine production begins with the crushing of grapes to release juice and pulp, forming a must that is...
298
Microbes in the Production of Fermented Foods
327
Lactic acid bacteria (LAB) and molds are instrumental in fermenting plant-based foods to enhance preservation and ensure year-round availability. These microbial processes convert plant carbohydrates into organic acids and other metabolites that inhibit spoilage organisms and contribute to the sensory qualities of the final product.In sauerkraut production, cabbage goes through a microbial succession that starts with cocci such as Leuconostoc mesenteroides. These microbes begin fermentation by...
327
Bioreactor Controls-III
67
Strain improvement is a foundational strategy in industrial microbiology aimed at maximizing microbial productivity, particularly because natural isolates typically yield commercially valuable products in very low concentrations. Although optimizing the culture medium and environmental conditions can improve yields, these adjustments are inherently limited by the organism’s genetic potential. As a result, the focus shifts toward genetic modifications to enhance biosynthetic capacity. The...
67
Production of Organic Acids
105
Lactic acid, an important organic acid extensively applied in food, pharmaceutical, and biodegradable polymer industries, is primarily produced via microbial fermentation. This method is favored over chemical synthesis due to its environmental sustainability and capacity for enantiomerically pure product formation. Among various microbial processes, the fermentation of starch-based substrates stands out due to the abundance and renewability of raw materials like corn and potatoes.Hydrolysis of...
105


