相关实验视频
Updated: May 12, 2026

04:41
Measuring Lactase Enzymatic Activity in the Teaching Lab
Published on: August 6, 2018
113.7K
具有潜在功能性的无乳糖冰淋,含有 CSL3 的 Lacticaseibacillus casei,生和蜂蜜
Khadija Bezerra Massaut1, Elisa Dos Santos Pereira1, Angela Nunes Moreira2
1Laboratory of Food Microbiology, Department of Agroindustrial Science and Technology, Federal University of Pelotas, Pelotas, RS, Brazil.
概括
这项研究开发了一种无乳糖冰淋,使用生和蜂蜜,成功保存了益生菌Lacticaseibacillus casei CSL3. 功能性冰淋显示出高抗氧化活性和消费者接受度,这表明市场潜力良好.
科学领域:
- 食品科学 食品科学 食品科学
- 微生物学 微生物学
- 营养 营养 营养 营养 营养
背景情况:
- 没有乳糖的乳制品有需求.
- 益生菌提供健康益处,但需要合适的输送矩阵.
- 结合生和蜂蜜等功能成分可以增强产品的吸引力和健康特性.
研究的目的:
- 为了创建一个功能性的,无乳糖的冰淋,结合生和蜂蜜.
- 评估Lacticaseibacillus casei CSL3在冷储存和模拟胃肠道运输期间的生存情况.
- 评估开发的冰淋的抗氧化能力和消费者接受度.
主要方法:
- 没有乳糖的冰淋配方用生,蜂蜜和Lacticaseibacillus casei CSL3.
- 在冷存储180天和模拟胃肠道 (GIT) 条件下的60天内对益生菌生存能力的评估.
- 进行了近距离组成,抗氧化活性,物理化学性质 (颜色,pH,酸度,融合,密度,超标) 和感官分析.
主要成果:
- 在整个储存和模拟GIT条件下,Lacticaseibacillus casei CSL3的生存能力保持在7 log CFU/g以上.
- 冰淋表现出显著的抗氧化活性和高化合物含量,表明了益生菌的潜力.
- 物理化学分析显示了理想的产品特性,包括良好的超越和融合特性.
结论:
- 开发的无乳糖冰淋作为有效的矩阵,提供可行的益生菌.
- 该产品显示出强大的市场潜力,消费者接受度高 (95.19%) 和购买意向高 (>96%).
- 这种功能性冰淋为通过食品增加益生菌摄入量提供了一个有希望的途径.
相关概念视频
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 the Production of Fermented Foods
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...
Probiotics
Probiotics are live, non-pathogenic microorganisms that confer health benefits by modulating the gut microbiota. The human gastrointestinal tract harbors a complex microbial ecosystem, and the balance of this microbiota is crucial for digestive and systemic health. Among the most extensively studied and utilized probiotics are species formerly classified within the genera Lactobacillus and Bifidobacterium. These organisms not only naturally colonize the human gut but are also consumed through...
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...

