Microencapsulation of Citrus Hystrix Essential Oil by Gelatin B/Chitosan Complex Coacervation Technique

Energy Industry and Industrial Design (Innovations in Energy Utilization and Equipment Design) Pub Date : 2024-03-14 DOI:10.47836/pjst.32.2.07

Siti Afiqah ‘Aisyah Murtadza, N. A. Md Zaki, Junaidah Jai, Fazlena Hamzah, Nur Suhanawati Ashaari, D. S. Fardhyanti, Megawati Megawati, Nadya Alfa Cahaya Imani

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Abstract

Complex coacervation is an encapsulation technique used to preserve the bio functionality of essential oils as well as provide controlled release. In this present work, encapsulation of Citrus Hystrix essential oil (CHEO) was formed by a complex coacervation technique with Gelatin-B (Gel B) and Chitosan (Chi) as the capping materials. The suitable encapsulation formulation was investigated as a function of pH and wall ratio using Zeta Potential analysis. Turbidity measurement and coacervate yield were carried out to confirm the suitable condition. Total Phenolic Content (TPC) was used to obtain the encapsulation efficiency (EE%) of the process. Results show that the suitable condition for coacervate formation between Gel B and Chi ratio of 5:1 was at pH 5.8, which produced a high encapsulation efficiency of 94.81% ± 2.60. FTIR analysis validates the formation of coacervate as well as the encapsulated CHEO. The encapsulates obtained were spherical and dominated by 194.557 um particles. The CHEO was successfully encapsulated by a complex coacervation method.

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用明胶 B/Chitosan 复合物共凝胶技术微囊化 Citrus Hystrix 精油

复合共凝胶是一种封装技术，用于保存精油的生物功能并提供控释。在本研究中，我们使用明胶-B（Gel B）和壳聚糖（Chi）作为封装材料，通过复合共凝胶技术对柑橘精油（CHEO）进行了封装。利用 Zeta 电位分析法研究了合适的封装配方与 pH 值和壁比的函数关系。为确认合适的条件，还进行了浊度测量和凝胶产量测定。总酚含量（TPC）用于获得工艺的封装效率（EE%）。结果表明，在 pH 值为 5.8 的条件下，凝胶 B 与 Chi 的比例为 5:1，适合形成凝聚态，其封装效率高达 94.81% ± 2.60。傅立叶变换红外光谱分析验证了共凝胶的形成和封装的 CHEO。获得的封装物呈球形，以 194.557 um 的颗粒为主。通过复合凝聚法成功地封装了 CHEO。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Energy Industry and Industrial Design (Innovations in Energy Utilization and Equipment Design)

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