用于冷藏羊肉保存的酶反应性细菌静止纤维装载着蒂摩尔
Chaoping Jiang1, Ruizhe Zhang2, Yu Hao1
1College of Food Science and Engineering, Inner Mongolia Agricultural University, Hohhot 010018, China.
Food research international (Ottawa, Ont.)
|May 13, 2025
概括
这项研究开发了PBAT和Zeen的酶响应活性包装纤维. 这些纤维提供提摩尔的按需释放,显示出显著的抗微生物和抗氧化特性,可延长食品的保质期.
科学领域:
- 材料科学 材料科学 材料科学
- 食品科学 食品科学 食品科学
- 生物技术是生物技术.
背景情况:
- 活性包装通过可控释放活性化合物来提高食品的保存性.
- 开发按需释放系统对于有效的活性包装功能至关重要.
- 酶响应材料为触发释放应用提供了一个有希望的策略.
研究的目的:
- 为了设计酶响应的活性包装纤维,按需释放活性物质.
- 为了评估甲基醇载荷纤维的抗微生物和抗氧化特性.
- 评估开发的活性包装在延长冷藏羊肉的保质期方面的有效性.
主要方法:
- 通过静电线制造聚乙烯基甲基甲酸盐 (PBAT) 和复合纤维.
- 在纤维矩阵内封装甲基醇 (THY).
- 评估纤维的物理特性 (耐水性,机械强度).
- 对四种微生物的抗微生物活性和抗氧化能力 (DPPH激素清除) 的评估.
- 在细菌细胞外酶的存在下,对酶响应性蒂摩尔释放动态的确定.
- 在冷的羊肉上进行应用测试,以确定保质期的延长.
主要成果:
- PBAT/zein纤维具有适合食品包装应用的物理性能.
- 含醇的纤维显示出强大的抗微生物活性 (99.99%的抑制) 和抗氧化能力 (72.24%的DPPH清理).
- 纤维显示出快速和触发的胸腺醇释放 (>99%在3小时内) 作为对细菌细胞外酶的反应.
- 在冷藏的羊肉上应用,使得保质期延长了六天.
结论:
- 成功开发出能够按需释放甲基醇的酶响应活性包装纤维.
- 开发的材料为食品保存提供了显著的抗微生物和抗氧化剂益处.
- 这种创新的活性包装技术为延长易腐食品如冷藏羊肉的保质期提供了一个有价值的平台.
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