Effects of oil-droplet diameter on the stability of squalene oil in spray-dried powder

Asmaliza, Abd. Ghani@Yaacob and Keisuke, Matsumura and Atsuki, Yamauchi (2016) Effects of oil-droplet diameter on the stability of squalene oil in spray-dried powder. Drying Technology, 34 (14). pp. 1726-1734. ISSN 07373937

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Abstract

Effects of the oil-droplet diameter and emulsification with polymerized sodium caseinate (PNC) on the stability of squalene oil (SQ) retention in spray-dried powder were investigated. The SQ droplet diameter significantly affected the stability of the oil in spray-dried powders. The degradation behavior of SQ powders at 105°C was correlated using the Avrami equation. This oxidation mechanism may occur because of the propagative transfer of radical oxidation between oil-droplet particles. SQ emulsified with 5 wt% PNC and small oil droplets had better oxidative stability when compared with 3 wt% sodium caseinate.

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