工程生态材料用于控制香气释放,使用Kluyveromyces marxianus CBS6556和自适应水凝
Yichen Yuan1,2, Bofan Yu2,3, Xinzhi Zhou2,3
1Zhejiang Lab, Zhejiang, Hangzhou 311121, China.
ACS synthetic biology
|August 5, 2024
概括
这项研究介绍了一种新型的香气释放生物材料 (FLM),使用在水凝中的工程酵母. FLM为各种应用提供可控制,持久的气味,具有多功能粘附和形状因子.
科学领域:
- 生物材料工程 生物材料工程
- 合成生物学 合成生物学
- 化学工程是化学工程的重要组成部分.
背景情况:
- 可控制的香料材料的需求很高,但在调节性形态发生,结构变异性和适应性方面面临挑战.
- 现有的香料材料缺乏提供持久气味和适应各种环境条件的能力.
研究的目的:
- 开发一种混合生物材料,用于控制香气释放.
- 设计一个强大的微生物系统,以持续生产香水.
- 为了创建一种具有可调节释放和粘附性质的多功能材料.
主要方法:
- 基因工程 *Kluyveromyces marxianus* CBS6556 使用SSE1促进剂进行温度稳定的2-乙醇 (2-PE) 和2-乙酸 (2-PEAc) 生产.
- 在一个具有增强水容量的自适应性水凝矩阵中整合工程酵母.
- 气味释放生物材料 (FLM) 的设计,通过微生物度调整来控制2-PE排放.
主要成果:
- 工程酵母在香味前体生产中表现出温度稳定性.
- 水凝矩阵长时间支持了酵母的生存能力和代谢活动.
- FLM表现出可控制的香气释放和对各种表面 (木材,织品,玻璃,叶子) 的多功能粘附.
- FLM可以制造成多种形式,包括微珠,纤维和薄膜.
结论:
- 开发的FLM提供了一种新的方法,可以使用生物材料控制香气释放.
- 混合系统展示了持久和可适应的气味应用的潜力.
- 这项研究为生物材料的新可能性铺平了道路,以控制气味传递.
更多相关视频
12:07Fabricating Degradable Thermoresponsive Hydrogels on Multiple Length Scales via Reactive Extrusion, Microfluidics, Self-assembly, and Electrospinning
Published on: April 16, 2018
13.4K
10:07Generating Controlled, Dynamic Chemical Landscapes to Study Microbial Behavior
Published on: January 31, 2020
6.1K
相关概念视频
Environmental Applications of Microorganisms
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...
Microbes in Food Production
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...
Microbes in Beverage Production
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...
Bioreactor Controls-I
Maintaining optimal conditions within fermenters is essential for maximizing microbial productivity and ensuring process efficiency. This lesson focuses on key parameters—temperature, foam, pH, carbon dioxide, oxygen, and pressure—and their precise measurement and control strategies in fermentation systems.Temperature ControlTemperature regulation is critical due to the exothermic nature of many fermentation processes. In small laboratory fermenters, temperature is commonly monitored using...
Bioreactor Controls-II
In aerobic fermentations, oxygen is vital for microbial growth and metabolite production. Since air comprises only about 20% oxygen and the gas is poorly soluble in water—just 9 ppm at 20°C—supplying sufficient oxygen becomes a critical challenge, especially in high-demand processes like yeast growth or citric acid production. Even a fully saturated broth may offer only a few seconds of oxygen availability.To address this, sterile or scrubbed air is introduced into the fermentor via a sparger...
Production of Organic Acids
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...
