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Updated: Jan 9, 2026

Author Spotlight: Process Development for the Spray-Drying of Probiotic Bacteria and Evaluation of the Product Quality
Published on: April 7, 2023
Enhancing coconut-based beverages with symbiotic microcapsules: Evaluation of physical-chemical traits and probiotic
Alessandra Silva Araújo1, Isabella Macário Ferro Cavalcanti2, Luís André de Almeida Campos3
1Federal University of Pernambuco (UFPE), Av. Profª Morais Rego, 1235, University City, Zip Code: 50670-901. Recife, Brazil; Keizo Asami Institute (iLIKA), Av. Prof. Morais Rego, 1235, University City, Zip Code: 50670-901. Recife, Brazil.
Abstract:
This study highlights the effectiveness of ionic gelation combined with vibratory extrusion and chitosan hydrochloride coating as a robust strategy for the microencapsulation of Lacticaseibacillus rhamnosus GG intended for application in complex food matrices. The developed symbiotic microcapsules demonstrated desirable morphological and structural characteristics and provided significant protection to the encapsulated probiotic under simulated gastrointestinal conditions. When incorporated into a coconut water-soluble extract, the microcapsules influenced the physicochemical properties of the food matrix, promoting increased acidity, soluble solids content, and lightness, while preserving probiotic viability above the critical threshold of 6 log CFU/mL throughout storage. The additional chitosan hydrochloride coating further enhanced the protective capacity of the capsules, improving resistance to extreme pH and bile salts during simulated gastrointestinal digestion. These results support the potential of this encapsulation approach to enhance the stability and functionality of probiotics in functional foods.
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