The preparation and characterization of pineapple peel cellulose nanofibers and its application in oil-water emulsions

IF 12.5 1区化学 Q1 CHEMISTRY, APPLIED Carbohydrate Polymers Pub Date : 2025-01-09 DOI:10.1016/j.carbpol.2025.123245

Yongqi Tian , Ruyang Huang , Yuanyuan Chen, Tao Wang, Jiulin Wu, Shaoyun Wang

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Abstract

This study explored the potential of pineapple peel waste as a sustainable source of cellulose nanofibers (CNF) for Pickering emulsion stabilization. Pineapple peel cellulose, enzymatically extracted and subsequently TEMPO-oxidized and sonicated to produce TEMPO-oxidized cellulose nanofibers (TC), was investigated as an emulsifier. The effects of TC concentrations (0.2, 0.4, 0.6, 0.8, and 1.0 % wt%) and oil phase volumes (20 %, 30 %, 40 %, and 50 %) on rheological properties, and emulsion stability were determined. Results demonstrated that increasing TC concentration significantly enhanced emulsion stability through the formation of a cohesive three-dimensional network structure. This stability was maintained across a broad range of pH, ionic strength, and temperature. Molecular dynamics simulations supported these findings, revealing that TC enhances emulsion stability through favorable intermolecular interactions. This work highlights the potential of pineapple peel-derived CNF as a sustainable and high-performing alternative for emulsion stabilization applications.

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菠萝皮纤维素纳米纤维的制备、表征及其在油水乳液中的应用

本研究探讨了菠萝皮废弃物作为纤维素纳米纤维（CNF）的可持续来源，用于皮克林乳液稳定的潜力。以菠萝皮纤维素为乳化剂，对其进行酶解提取、tempo氧化和超声制备tempo氧化纤维素纳米纤维（TC）的研究。测定了TC浓度（0.2、0.4、0.6、0.8和1.0% wt%）和油相体积（20%、30%、40%和50%）对流变性能和乳液稳定性的影响。结果表明，随着TC浓度的增加，乳化液的稳定性显著增强，形成了具有内聚性的三维网络结构。这种稳定性在很宽的pH值、离子强度和温度范围内都能保持。分子动力学模拟支持这些发现，表明TC通过有利的分子间相互作用增强乳液稳定性。这项工作突出了菠萝皮衍生CNF作为乳液稳定应用的可持续和高性能替代品的潜力。

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来源期刊

Carbohydrate Polymers 化学-高分子科学

CiteScore

22.40

自引率

8.00%

发文量

1286

审稿时长

47 days

期刊介绍： Carbohydrate Polymers stands as a prominent journal in the glycoscience field, dedicated to exploring and harnessing the potential of polysaccharides with applications spanning bioenergy, bioplastics, biomaterials, biorefining, chemistry, drug delivery, food, health, nanotechnology, packaging, paper, pharmaceuticals, medicine, oil recovery, textiles, tissue engineering, wood, and various aspects of glycoscience. The journal emphasizes the central role of well-characterized carbohydrate polymers, highlighting their significance as the primary focus rather than a peripheral topic. Each paper must prominently feature at least one named carbohydrate polymer, evident in both citation and title, with a commitment to innovative research that advances scientific knowledge.