果核的增值开发和特征粉粉纳米颗粒用于包装应用程序的粉
Gurvendra Pal Singh1, Sneh Punia Bangar2, Krishna Aayush1
1Shoolini University of Biotechnology and Management Sciences, Bajhol, PO Sultanpur, Distt., Solan 173229, HP, India; Food, Nutrition and Health, Faculty of Land and Food Systems, The University of British Columbia, Vancouver, BC V6T 1Z4, Canada.
International journal of biological macromolecules
|June 16, 2024
概括
果核粉被用于制造可生物降解膜的粉纳米颗粒 (SNPs). 这些环保薄膜表现出增强的强度和快速降解,提供可持续的包装解决方案.
科学领域:
- 材料科学 材料科学 材料科学
- 聚合物科学 聚合物科学
- 食品科学 食品科学 食品科学
背景情况:
- 果核粉为新材料开发提供了一个未充分利用的资源.
- 与原生粉相比,粉纳米颗粒 (SNP) 具有独特的特性.
- 开发可持续和可生物降解的包装是全球优先事项.
研究的目的:
- 为了隔离和描述粉,并从Chaunsa果核中开发粉纳米粒子 (SNPs).
- 制造和评估用于包装应用的基于SNP的复合膜.
- 评估SNP对薄膜性能的影响,包括生物降解性,机械强度和屏障性能.
主要方法:
- 从果核中分离粉,然后通过酸性水解制备SNP.
- 使用像X射线衍射 (XRD) 这样的技术对原生粉和SNP进行物理化学表征.
- 基于SNP的复合膜的制造和其生物降解性,破裂强度,水蒸气传递率 (WVTR) 和水溶性的评估.
主要成果:
- 与原生粉 (聚合,不规则与圆,光滑;A型粉) 相比,SNP表现出明显的形态和结构差异.
- 酸性水解显著降低了SNP的粘合特性.
- 基于SNP的复合膜 (5%SNP) 显示了增强的生物降解性 (在3周内完全降解),增强的破裂强度 (1303.51±73.7 g),较低的WVTR (7.40±0.50 × 10−3 g/m2/s) 和降低的水溶性 (35.32±3.0%).
结论:
- 果核衍生的SNP是先进生物降解膜的可行构建块.
- 加入SNP显著提高了基于粉的包装材料的性能特性.
- 这项研究为实现可持续性和高性能环保包装解决方案提供了一个有希望的途径.
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