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Nowadays, there is a great demand for sustainable and nutritious foods, and fresh spirulina is a highly valuable source of protein. However, its use is limited because of its sensitivity to environmental stress conditions and distinctive flavor. Nevertheless, microencapsulation offers an effective solution to enhance stability and mask undesirable sensory properties. This study optimized Spirulina microencapsulation via spray drying, employing maltodextrin (MD) as the coating agent. By factorial design, inlet temperature (160–180°C) and Spirulina: MD ratios (1:2–1:4) were evaluated, identifying optimal conditions (174.7°C, 1:4 ratio) that achieved 46% yield and 31.65% protein content while preserving its native amino acid profile.
Castillo et al. (Tue,) studied this question.