固定微藻提取物的抗氧化活性:生长特征和活性包装应用
Yawen Yin1, Hong Xia1, Xuan Lv1
1National Engineering Laboratory for Modern Silk, College of Textile and Clothing Engineering, Soochow University, Suzhou, Jiangsu, 215123, PR China.
International journal of biological macromolecules
|December 28, 2025
概括
在新的凝中使微藻不动,提高了抗氧化剂的产生,并创造了有效的生物活性包装. 这种可持续的方法提高了食品的保存,减少了浪费,提高了新鲜度.
科学领域:
- 生物技术是生物技术.
- 材料科学 材料科学 材料科学
- 食品科学 食品科学 食品科学
背景情况:
- 采集悬浮微藻是能源密集和昂贵的,阻碍了它们作为可持续资源的使用.
- 开发有效的微藻生物质和抗氧化剂提取方法对于工业应用至关重要.
研究的目的:
- 为了使Chlorella sp.不活动. 使用一种用丝纤维素增强的藻酸盐 (SA-SF) 复合凝.
- 评估SA-SF固定对微藻生物质和抗氧化剂生产的影响.
- 评估产生的分离后提取物 (PSE) 在开发生物活性包装材料方面的潜力.
主要方法:
- 克洛雷拉 sp. 的固定. 在SA-SF复合凝中.
- 提取和对分离后提取物 (PSE) 的表征.
- 评估PSE的抗氧化活性 (DPPH和ABTS+测定) 和稳定性.
- 将PSE纳入碳素甲基纤维素/粉 (CMC/SR) 薄膜,并评估薄膜的特性.
- 测试基于PSE的膜,用于果片的保存.
主要成果:
- 通过SA-SF固定,生物质的积累增加了95.1%,多糖的产量增加了170%.
- 该PSE表现出优异的热和氧化稳定性,在热处理后保留了80%以上的激素清除活性.
- 基于PSE的CMC/SR膜表现出强大的抗氧化和防潮屏障特性.
- 与商业包装相比,基于PSE的薄膜显著减少了果片的色和体重减轻.
结论:
- SA-SF 固定是增强微藻抗氧化剂生产的有效策略.
- 来自固定微藻的PSE是食品包装生物活性化合物的有希望的来源.
- 这种方法为开发高效生物活性包装提供了可持续的解决方案,以延长食品的新鲜度.
更多相关视频
相关概念视频
01:21Green Algae
669
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...
669
01:23Red Algae
700
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...
700