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Published on: July 4, 2017
Effects of colloidal delivery systems for curcumin encapsulation and delivery
Zihan Jin1, Zihao Wei1, Yujin Li1
1State Key Laboratory of Marine Food Processing & Safety Control, College of Food Science and Engineering, Ocean University of China, Qingdao 266404, China.
None:
The types of colloidal delivery systems impact curcumin encapsulation properties, including stability, spray-dried powder properties, business-concerned properties, and loading capacity. Therefore, it is crucial to comprehensively compare the curcumin encapsulation properties of different colloidal delivery systems. Four systems (sodium caseinate, β-cyclodextrin, liposome, soy protein isolate) were used to encapsulate curcumin. Powder characterization revealed that curcumin-loaded sodium caseinate exhibited high curcumin loading capacity (5.10 %), free radical scavenging rate (89.8 %), re-dispersibility, and transmittance of re-dispersed solution (92 %), while curcumin-loaded β-cyclodextrin demonstrated satisfactory hygroscopicity (5.3 %) and D90 particle size (215.5 nm). Stability tests indicated that curcumin-loaded sodium caseinate exhibited superior physicochemical stability except for photo stability, whereas curcumin-loaded β-cyclodextrin exhibited good photo stability. Physicochemical stability of the other two systems was unsatisfactory. In summary, curcumin encapsulation performance varied significantly among systems, with sodium caseinate emerging as a high-performance curcumin nanocarrier with potential for beverage industry applications.
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