Mint oil Encapsulation with Alginate/Pectin using Co-axial Electrospray System
- Mint oil Encapsulation with Alginate/Pectin using Co-axial Electrospray System
- 구송이; 차광현; 송대근; 판철호
- mint oil; encapsulation; menthol; electrospray system; alginate; pectin
- Issue Date
- Mint oil is natural essential oil and used in food, pharmaceutical and flavouring industry. However, mint oil has strong taste and odour, which constitutes a serious inconvenience for its use as supplement or mint flavour capsule. Moreover, mint oil easily undergoes oxidation when exposed to air or UV. To overcome these drawbacks, we have encapsulated the oil in alginate-pectin beads.
The electrospray technique has exhibited great advantages in production of controllable particles. Recently, two-phase coaxial electrospray system is reported that two liquids are injected separately through two electrified capillary needles. In order to gain a better understanding of co-axial electrospray system for encapsulation, this study was to investigate the effects of formulation and processing conditions on properties of microcapsules.
The results of mint oil encapsulation suggested that the core-shell type structure can be retained by adjusting many parameters. The encapsulation efficiency of mint oil was improved in optimized formula capsule. Therefore, co-axial electrospray could lead to application in the food industry improving the stability of mint oil and other oils.
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