Quality changes of microencapsulated Nigella sativa oil upon accelerated storage
2017
Mohammed, Nameer Khairullah | Meor Hussin, Anis Shobirin | Tan, Chin-Ping | Abdul Manap, Mohd Yazid | Alhelli, Amaal M
Microencapsulation is frequently used to enhance the stability of liquid food by transforming it to a free-flowing powder. This study aimed to evaluate the effect of storage for 24 days at 65°C on the overall quality and stability of microencapsulated Nigella sativa oil (MNSO) compared to uncapsulated Nigella sativa oil (NSO). During storage time, the total oil was extracted from the MNSO and was examined every six days along with the uncapsulated NSO. The uncapsulated oil showed many changes to its properties including reductions in oxidative stability, content of bioactive compounds, and antioxidant activity, as well as changes in fatty acid composition. The same parameters were evaluated for MNSO, which showed increased stability and resistance under the same storage conditions. The results confirmed the efficacy of the microencapsulation in protecting the oil.
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