相关实验视频
Updated: May 7, 2026
10:33
Generation of Alginate Microspheres for Biomedical Applications
Published on: August 12, 2012
20.8K
基于微藻蛋白/酸盐复合物的核心纳米纤维,用于增强益生菌的生存能力
Kuiyou Wang1, Entao Chen1, Xiangsong Lin2
1State Key Laboratory of Marine Food Processing and Safety Control, National Engineering Research Center of Seafood, Dalian Polytechnic University, Dalian 116034, Liaoning, China; Academy of Food Interdisciplinary Science, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, Liaoning, China.
International journal of biological macromolecules
|May 22, 2024
概括
新的微藻蛋白/酸纳米纤维增强了益生菌的稳定性和抗氧化活性. 这种核心外结构提高了益生菌在食品加工和胃肠道条件中的生存率.
科学领域:
- 生物材料工程 生物材料工程
- 食品科学与技术 食品科学与技术
- 微生物学 微生物学
背景情况:
- 益生菌提供健康益处,但对加工和消化敏感.
- 提高益生菌的稳定性对于有效的传递和功能至关重要.
- 微藻蛋白 (CP) 是一种新的,生物相容的封装材料.
研究的目的:
- 开发和描述使用Chlorella pyrenoidosa蛋白 (CP) 进行益生菌封装的核心纳米纤维.
- 评估封装益生菌的增强稳定性和抗氧化活性.
- 评估这些纳米纤维在模拟食品加工和胃肠道环境中的性能.
主要方法:
- 一步同轴电,以创建CP/酸核心外纳米纤维.
- 形态分析 (SEM) 来确认纤维结构和益生菌封装.
- 活力测定,模拟胃肠道过境测试,热分析 (TGA) 和抗氧化能力测量.
主要成果:
- 成功制造了与封装益生菌 (7.97 log CFU/g) 结合的核心纳米纤维.
- 与自由或单轴封装益生菌相比,封装益生菌对模拟的胃肠道状况的耐受性显著提高 (p < 0.05).
- 在28天的储存后,CP引入增加了50%的抗氧化能力,并改善了热稳定性,存储28天后的生存能力损失最小.
结论:
- CP/酸核心外纳米纤维为益生菌封装提供了强大的载体.
- 这种双层系统有效地提高了益生菌的稳定性,抗氧化活性和对恶劣条件的抵抗力.
- 开发的纳米纤维显示出在功能性食品和益生菌输送中应用的巨大潜力.
相关概念视频
01:28Overview of Algae
1.6K
The kingdom Archaeplastida encompasses red and green algae, along with land plants. Unlike other protists with chloroplasts that arose through secondary endosymbiosis, only red and green algae originated from primary endosymbiotic events. This diverse group of eukaryotic organisms contains chlorophyll and performs oxygenic photosynthesis.Algae exist in various forms, from large brown kelp in coastal waters to green scum in puddles and stains on rocks or soil. Some species are responsible for...
1.6K
01:23Red Algae
2.0K
Red algae, also known as rhodophytes, are primarily found in marine environments, though some species inhabit freshwater and terrestrial ecosystems. These organisms exist in both unicellular and multicellular forms, with some multicellular varieties reaching macroscopic sizes.As phototrophic organisms, red algae contain chlorophyll a; however, their chloroplasts lack chlorophyll b. Instead, they possess phycobiliproteins, which serve as major light-harvesting pigments, similar to those found in...
2.0K
01:21Green Algae
1.1K
Green algae, also referred to as chlorophytes, are different from red algae in having the chloroplasts containing chlorophylls a and b, which give them their distinct green hue. However, they lack phycobiliproteins, preventing them from developing the red or blue-green pigmentation seen in red algae. In terms of photosynthetic pigment composition, green algae closely resemble plants and share a close evolutionary relationship with them. Taxonomically Green algae belong to Phylum Chlorophyta in...
1.1K
01:19Other Algae
627
The group Stramenopiles include some phototrophic microorganisms. Members of this group possess flagella covered in numerous short, hairlike extensions, a feature that inspired the group's name, derived from the Latin words for "straw" and "hair." Some of the main categories of Stramenopiles include diatoms, golden algae, and brown algae.Diatoms are unicellular, photosynthetic eukaryotes, with over 200 known genera. They play a key role in the planktonic communities of both marine and...
627
01:25Biofuels
112
The microbial conversion of organic matter into biofuels holds potential as a renewable energy source. Among biofuel sources, microalgae are recognized as a highly efficient and adaptable feedstock for biodiesel production, owing to their rapid biomass accumulation, elevated lipid productivity, and capacity to proliferate in diverse aquatic systems, including freshwater, marine, and wastewater habitats. Unlike terrestrial crops, microalgae do not compete for land and can achieve significantly...
112