Optimization of Wall Materials for Astaxanthin Powder Production from Shrimp Shell Extract Using Simplex Lattice Mixture Design

Figure 2

Scanning electron micrographs of freeze-dried encapsulated powders. (a) MD7 (50), Hi-Cap 100 (50), and MD20 (0); (b) MD7 (50), Hi-Cap 100 (0), and MD20 (50); (c) MD7 (0), Hi-Cap 100 (0), and MD20 (100); (d) MD7 (50), Hi-Cap 100 (50), and MD20 (0); (e) MD7 (100), Hi-Cap 100 (0), and MD20 (0); (f) MD7 (16.66), Hi-Cap 100 (66.67), and MD20 (16.66); (g) MD7 (100), Hi-Cap 100 (0), and MD20 (0); (h) MD7 (16.66), Hi-Cap 100 (16.66), and MD20 (66.67); (i) MD7 (66.67), Hi-Cap 100 (16.66), and MD20 (16.66); (j) MD7 (33.33), Hi-Cap 100 (33.33), and MD20 (33.33).

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