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Dimensional distribution (d50) of raw materials and spray-dried systems, and hygroscopicity after six months storage period.
| Samples | t180 | t180 |
|---|---|---|
| d50 μm (Span) | Hygroscopicity % | |
| C | / | / |
| M | / | / |
| CM-Blk | 4.95 (1.28) | / |
| HSE | 54.60 (2.06) | −8.40 ± 1.19 |
| CM-HSE | 15.51 (3.21) | −1.25 ± 0.44 |
C = Chitosan, M = Mannitol; HSE = Spirulina hydrolyzate extract; CM-blk = Blank microparticles; CM-HSE = HSE-loaded microparticles.
