玉米衍生生物降解包装薄膜:一个可持续的解决方案,收获后护的保存
Sandeep Paudel1, Srinivas Janaswamy1
1Department of Dairy and Food Science, South Dakota State University, Brookings, SD 57007, USA.
Food chemistry
|May 26, 2024
概括
研究人员从玉米残留物开发了可生物降解的包装,减少了塑料废物,并延长了树的保质期. 这种可持续的方法利用农业副产品来减轻微塑料污染和食品腐烂.
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
- 环境科学 环境科学
背景情况:
- 由于微塑料和纳米塑料的迁移,塑料食品包装带来了生态和健康风险.
- 农业副产品为包装提供了可持续的替代品,减少了环境和经济负担.
- 农业废物的利用对于可持续的资源管理至关重要.
研究的目的:
- 从玉米的纤维素残留物开发可生物降解的包装薄膜.
- 评估这些薄膜在延长树的保质期方面的有效性.
- 评估新型包装材料对环境的影响和生物降解性.
主要方法:
- 玉米的纤维素残留物被溶解在化 (ZnCl2) 溶液中.
- 通过与 (Ca2+) 离子交联并用酸盐塑化而形成膜.
- 包装性能测试了水蒸气透性,抗拉强度,延长,紫外线阻断,抗氧化性能和生物降解性.
主要成果:
- 优化的薄膜表现出有利的特性:水蒸气的透率为1.8(4) x10^-10 g^-1 s^-1 Pa^-1,拉力强度为4.7(1) MPa,破裂时的延伸率为15.4(7% .
- 这部电影展示了紫外线阻和抗氧化能力.
- 生物降解发生在29天内,土壤湿度为24%;与聚乙烯相比,树的保质期延长了7天 (室温) 和5天 (冷藏).
结论:
- 来自玉米的纤维素薄膜为传统塑料包装提供了一个有前途的可生物降解的替代品.
- 这种方法增加了农业残留的价值,最大限度地减少了收获后的损失,并减少了食物浪费.
- 开发的包装有助于减轻塑料污染和提高食品保存.
关键词:
农业 农业 农业 农业化,二化物 (PubChem CID: 24844) 的使用情况硫酸 (PubChem CID: 24497) 是一种硫酸.玉米是什么意思 玉米是什么意思乙醇 (PubChem CID: 702) 已经成为一种食品包装 食品的包装果实 果实是一种水果.氧化 (PubChem CID: 14797) 是一种有氧化.硫酸 (PubChem CID: 24507) 是一种酸盐.保护 保护 保护化酸 (PubChem CID: 23668197) 是一种含有的化合物.索尔比托 (PubChem CID: 5780) 是一种有毒的药物.化 (PubChem CID: 5727) 的使用情况更多相关视频
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