Journal
ACTA SCIENTIARUM-TECHNOLOGY
Volume 39, Issue -, Pages 573-577Publisher
UNIV ESTADUAL MARINGA, PRO-REITORIA PESQUISA POS-GRADUACAO
DOI: 10.4025/actascitechnol.v39i5.30078
Keywords
optimization; spray drying; probiotic
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Funding
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (Capes)
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The microcapsules containing the Lactobacillus acidophilus La-5 probiotic were obtained by spray drying technique, using maltodextrin and milk powder concentrate as encapsulating agents, whose conditions were optimized using Central Composite Rotatable Design (CCRD), obtaining maximum performance with yield 87,59 +/- 0,27% employing the inlet air temperature of 100 to 106 degrees C and maltodextrin concentration between 21 to 23.7% (w v(-1)). The microcapsules revealed by optical microscopy as spherical and homogeneous particles with varying diameters. The results in differential scanning calorimetry corroborate with the optical microscopy for the formation of microcapsules.
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