通过冷制备的卡斯卡拉饮料的物理化学,抗氧化和矿物成分
Sali Muriqi1, Libor Červenka1, Lenka Česlová1
1Department of Analytical Chemistry, Faculty of Chemical Technology, University of Pardubice, Studentská 573, Pardubice 53210, Czech Republic.
Food technology and biotechnology
|May 5, 2025
概括
冷的咖啡桃饮料卡斯卡拉,产生的抗氧化剂和咖啡因比热更高. 造温度会影响卡斯卡拉饮料中的矿物质和化合物度.
科学领域:
- 食品科学 食品科学 食品科学
- 饮料化学 饮料化学
- 营养保健品 营养保健品
背景情况:
- 咖啡桃皮饮料卡斯卡拉因其独特的风味和潜在的健康益处而越来越受欢迎.
- 传统的热造方法是常见的,但冷造正在成为一种替代的制备技术.
- 了解造温度如何影响卡斯卡拉的功能性质对于优化饮料质量至关重要.
研究的目的:
- 为了研究冷造温度 (5-20°C) 对酒饮料的化学成分和功能性质的影响.
- 为了比较冷的卡斯卡拉和热的样品的特征.
- 为了确定造温度和特定化合物,如咖啡因,和矿物质之间的关系.
主要方法:
- 卡斯卡拉饮料在四种不同的冷造温度 (5,10,15,20°C) 中制备,并与热造的样品进行比较.
- 分析包括颜色,总溶解固体,可定位酸度,总,总黄,咖啡因,酸,黑色素,以及矿物成分 (ICP-MS).
- 用光谱光度和高性能液态染色学 (HPLC) 方法进行量化.
主要成果:
- 与热造的样本相比,冷造的卡斯卡拉表现出总化合物,总黄和咖啡因的度显著更高.
- 造温度影响了大多数变量,咖啡因和铜度在20°C达到峰值,随着温度的降低而下降.
- 多变量分析显示,根据矿物质含量,色调和醇度,热造和冷造样品之间存在明显的差异.
结论:
- 冷是一种有效的方法,可以增强从头中提取有益的化合物,如和咖啡因.
- 造温度在酒饮料的最终成分中起着重要作用,温度和咖啡因/铜含量之间有直接的相关性.
- 这项研究为通过控制冷造温度优化酒饮料生产提供了新的见解.
更多相关视频
相关概念视频
01:17Precipitation and Co-precipitation
1.6K
Precipitation and coprecipitation methods can be used to separate a mixture of ions in a solution. In qualitative inorganic analysis, ions that form sparingly soluble precipitates with the same reagent are separated based on the differences in solubility products. For example, consider the separation of Cu(II) and Fe(II) ions by precipitation as insoluble sulfides. First, copper(II) sulfide is precipitated by the addition of acidic H2S, where the dissociation of H2S is suppressed. Adding H2S...
1.6K
01:57Adaptations that Reduce Water Loss
25.0K
Though evaporation from plant leaves drives transpiration, it also results in loss of water. Because water is critical for photosynthetic reactions and other cellular processes, evolutionary pressures on plants in different environments have driven the acquisition of adaptations that reduce water loss.
25.0K
01:28Factors Influencing Drug Absorption: Pharmaceutical Parameters
101
Solid dosage forms such as tablets and capsules undergo rigorous manufacturing processes to ensure stability and effectiveness. Their dissolution and absorption properties are influenced significantly by the choice of excipients (inactive ingredients that serve various roles in the formulation), and the methodology applied during production. The manufacturing parameters, such as compression force and granulation techniques, significantly affect dissolution rates. Elevated compression forces...
101
01:22Factors Influencing Drug Absorption: Physicochemical Parameters
178
The physicochemical characteristics of drugs play a crucial role in formulating stable and bioavailable drug products. The solubility of a drug, governed by the varying pH along the GI tract and its dissociation constant (pKa), is pivotal in determining its ionization state and absorption rate. Notably, weak acids and bases remain unionized and are absorbed more rapidly.
Enhanced drug absorption can be achieved by reducing particle sizes and increasing surface areas, thereby facilitating...
Enhanced drug absorption can be achieved by reducing particle sizes and increasing surface areas, thereby facilitating...
178