Abstract
Catechin-loaded calcium alginate microparticles with high encapsulation and loading efficiencies were prepared using two types of soaking methods; swelling and absorption methods. The soaking methods, respectively, showed approximately 2.4× and 21.7× higher encapsulation and loading efficiencies than the conventional method. Compared with the swelling method, the absorption method showed significantly (p<0.05) higher encapsulation and loading efficiencies that were controlled in the range of 10.6-51.6 and 4.9-38.2%, respectively, under different preparation conditions, including alginate viscosity, blank particle quantity, and the catechin concentration. The absorption method also showed better sustained release in simulated gastric and intestinal fluids and a smaller particle size with uniform morphological properties than the swelling method. The absorption method is a promising method for microencapsulation of catechin.
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Kim, E.S., Lee, JS. & Lee, H.G. Microencapsulation of catechin with high loading and encapsulation efficiencies using soaking methods. Food Sci Biotechnol 24, 1735–1739 (2015). https://doi.org/10.1007/s10068-015-0225-6
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DOI: https://doi.org/10.1007/s10068-015-0225-6