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Cellulose stabilized palm oil emulsions as 3D printing inks: Controlled release of D-limonene

文献类型： 外文期刊

作者： Liu, Yanping 1 ; Zou, Ying 1 ; Hu, Hong 1 ; Gao, Hongxia 4 ; Yuan, Yuan 1 ; Chen, Mianhong 1 ; Li, Ruyi 1 ; Dai, Yaping 1 ; Huang, Xiaobing 1 ; Zhang, Chenghui 3 ; Li, Jihua 1 ; Zhou, Wei 1 ;

作者机构： 1.Chinese Acad Trop Agr Sci, Agr Prod Proc Res Inst, Key Lab Trop Crop Prod Proc Minist Agr & Rural Aff, Zhanjiang 524001, Guangdong, Peoples R China

2.Nanning Univ, Coll Food & Qual Engn, Nanning 530200, Guangxi, Peoples R China

3.Hainan Univ, Coll Food Sci & Engn, Haikou 570228, Hainan, Peoples R China

4.Jiangxi Sci & Technol Normal Univ, Sch Life Sci, Nanchang 330013, Jiangxi, Peoples R China

关键词： Pickering emulsion; Palm oil; Cellulose nanocrystals; Cellulose nanofibers; D -limonene retention; 3D printing

期刊名称：INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES （ 影响因子：8.5； 五年影响因子：8.7 ）

ISSN： 0141-8130

年卷期： 2025 年 303 卷

页码：

收录情况： SCI

摘要： Natural essential oils, such as D-limonene, are frequently used as flavoring agents and fragrances in the food industry. However, their susceptibility to volatilization and chemical degradation poses challenges for widespread application. In this study, cellulose nanocrystals (CNCs) and cellulose nanofibers (CNFs) were used to stabilize palm oils (POs) with different melting points to prepare Pickering emulsions (PEs) for the encapsulation of D-limonene. The physicochemical properties, environmental stability, 3D printing performance, and retention of D-limonene were explored. It results indicated that CNFs stabilized PO emulsions exhibit a stronger gel network structure, particularly pronounced in high melting point PO. CNF-stabilized emulsions enhanced stability to pH changes, salt ion, and storage conditions, due to a greater gel structure. Notably, it should be noted that CNCs and CNFs slowed down the release of D-limonene in both fresh and heat-treated emulsions. Furthermore, CNCs and CNFs emulsions as 3D printing inks, ensure accurate and stable formation of target shapes. The volatilization of D-limonene during the process was effectively suppressed (<9 %). The lower release of Dlimonene in CNF emulsions (<2.8 %) could be linked to the tight distribution of CNF particles between the oil/ water interface and the droplets, which makes the emulsion more resistant to extrusion. This study provides valuable insights into the use of PEs for encapsulating flavor components in 3D printing applications.

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