开发和特征的复合水凝装载有黄黄类微囊:在冷猪肉的应用
Shihao Lou1, Xiaojing Sun1, Ruobing Hao1
1College of Food and Biology, Hebei University of Science and Technology, Shijiazhuang 050000, China.
Food chemistry: X
|October 13, 2025
概括
这项研究开发了一种复合水凝 (GCH),用于食品包装的凝,k-carrageenan和黄黄类微囊. 通过抑制细菌生长,GCH-25表现出卓越的特性,延长了冷猪肉的保质期.
科学领域:
- 食品科学与技术 食品科学与技术
- 材料科学 材料科学 材料科学
- 生物技术是生物技术.
背景情况:
- 开发先进的食品包装材料对于延长保质期和减少损坏至关重要.
- 由于其可调节的特性,水凝为活性包装应用提供了有前途的性能.
- 结合天然抗氧化剂和抗菌剂可以提高包装的功能.
研究的目的:
- 制造多功能复合水凝 (GCH),使用凝 (GA),k-卡拉基 (CG) 和素-棘黄类微囊 (CHM).
- 评估开发的GCH的物理化学特性,机械强度,抗氧化剂和抗菌活性.
- 评估GCH作为食品包装材料的有效性,用于冷藏猪肉.
主要方法:
- 制造具有不同GA度的复合水凝 (GCH).
- 物理化学性质的表征,包括水蒸气透性 (WVP) 和氧气透性 (OP).
- 评估机械强度 (抗拉强度,破裂时延长),抗氧化活性,抗菌活性和冷保存猪肉的性能.
主要成果:
- 具有25%GA的GCH-25表现出优越的WVP,OP,拉伸强度和破裂时的延伸.
- FTIR和XRD分析证实了GA,CG和CHM之间的交叉链接.
- 复合水凝显示出显著的抗氧化和抗菌活性,抑制*Pseudomonas aeruginosa*的生长.
- GCH将冷猪肉的保质期延长到12天,保持其外观和形态.
结论:
- 开发的复合水凝 (GCH-25) 具有出色的物理化学和机械性能.
- GCH表现出显著的抗氧化和抗菌能力,使其在食品保存方面有效.
- 作为一种抗微生物包装材料,GCH-25具有很大的潜力,可以延长像冷猪肉这样易腐烂的食品的保质期.
更多相关视频
12:22Synthesis of Thermogelling PolyN-isopropylacrylamide-graft-chondroitin Sulfate Composites with Alginate Microparticles for Tissue Engineering
Published on: October 26, 2016
12.4K
08:59A Freeze-Thawing Method to Prepare Chitosan-Polyvinyl alcohol Hydrogels Without Crosslinking Agents and Diflunisal Release Studies
Published on: January 14, 2020
18.9K
相关概念视频
01:29Preplaced Aggregate Concrete
Preplaced aggregate concrete is ideal for construction environments that are not easily accessible. The process begins by properly wetting the gap-graded coarse aggregates to remove the dirt, then placing it in the form and compacting it. Voids are filled with a mortar mix pumped under pressure through slotted pipes. This mortar typically consists of Portland cement, pozzolan, fine aggregates, water, and a fluidizing aid. The pozzolan helps reduce bleeding and segregation while improving the...
01:19Retarders
Retarders are chemical admixtures designed to extend the setting time, which is especially useful when there is a delay in sequential concrete pours to prevent cold joints and to achieve a cohesive structure. Retarders, when used in appropriate amounts, can also enhance the architectural appearance of exposed aggregate finishes.
The function of retarders is to delay the setting of concrete, and this effect can be measured using a penetration test. The retardation process involves adding...
The function of retarders is to delay the setting of concrete, and this effect can be measured using a penetration test. The retardation process involves adding...
01:31Plasticizers
Water-reducers, or plasticizers, are chemical admixtures used in concrete to improve strength and workability. These additives reduce the water-cement ratio without compromising workability, lower the cement content while maintaining the same workability, or increase workability to assist concrete placement in inaccessible areas.
Plasticizers function by using surface-active agents to create repulsive electrostatic forces between cement particles. This dispersion enhances the concrete's...
Plasticizers function by using surface-active agents to create repulsive electrostatic forces between cement particles. This dispersion enhances the concrete's...
01:30Superplasticizers
Superplasticizers are advanced admixtures that enhance the workability of concrete by lowering the water content without compromising the strength of the material. These substances are highly effective water reducers, improving concrete flow, making it easier to work with, and enabling concrete to reach inaccessible areas or densely reinforced sections without mechanical vibration. The key components in superplasticizers are either sulfonated melamine or naphthalene formaldehyde condensates,...