An approach to mass produce peppermint oil-sodium alginate composite microcapsules by drop-on-demand system loaded with stabilized nanoemulsion

IF 2.9 4区材料科学 Q3 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Technology Pub Date : 2023-10-29 DOI:10.1080/10667857.2023.2273701

Haozhe Zhang, Berlinda Lim Kwee Hong, Xin Xu, Dong Wang, Zhenghua Song, Eng San Thian

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Abstract

Microencapsulation technology has found widespread applications in current fields of food industries. In this study, by combining water-in-oil emulsion with drop-on-demand (DOD) technique, we successfully produced sodium alginate (SA) shell microcapsules containing peppermint oil (PO). Response surface methodology (RSM) was employed to optimize the surfactant used for nanoemulsification. A comprehensive investigation into the morphology, structure, and encapsulation efficiency of resulting microcapsules was conducted. The study revealed that various parameters, especially of Hydrophilic-Lipophilic Balance (HLB) values, can affect the physical properties of PO/SA nanoemulsion. The optimized formulation achieved emulsions with a mean droplet size of 46.60 nm. Microcapsules with different shell/core ratios (2, 1, and 0.5) were prepared by pulse duration of 20 ms, exhibiting varying antibacterial activities against Escherichia coli in subsequent tests. This work confirms the feasibility of nanoemulsion-DOD system, highlighting the potential of PO/SA microcapsules as a more environmentally friendly alternative to conventional antimicrobials. This new abstract should be 148 words, less than the 150-word requirement.

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负载稳定纳米乳的按需滴法制备薄荷油-海藻酸钠复合微胶囊的研究

微胶囊技术在当今食品工业领域得到了广泛的应用。本研究采用油包水乳液与滴注(DOD)技术相结合的方法，成功制备了含有薄荷油(PO)的海藻酸钠(SA)壳微胶囊。采用响应面法(RSM)对纳米乳化表面活性剂进行了优化。对所得微胶囊的形态、结构和包封效率进行了全面的研究。研究表明，各种参数，尤其是亲水-亲脂平衡(HLB)值，都会影响PO/SA纳米乳的物理性质。优化后的乳状液平均粒径为46.60 nm。在脉冲持续时间为20 ms的条件下，制备了不同壳核比(2、1和0.5)的微胶囊，在随后的测试中显示出不同的抑菌活性。这项工作证实了纳米乳液- dod系统的可行性，突出了PO/SA微胶囊作为传统抗菌剂的更环保替代品的潜力。这个新的摘要应该是148字，少于150字的要求。

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来源期刊

Materials Technology 工程技术-材料科学：综合

CiteScore

6.00

自引率

9.70%

发文量

105

审稿时长

8.7 months

期刊介绍： Materials Technology: Advanced Performance Materials provides an international medium for the communication of progress in the field of functional materials (advanced materials in which composition, structure and surface are functionalised to confer specific, applications-oriented properties). The focus is on materials for biomedical, electronic, photonic and energy applications. Contributions should address the physical, chemical, or engineering sciences that underpin the design and application of these materials. The scientific and engineering aspects may include processing and structural characterisation from the micro- to nanoscale to achieve specific functionality.