Journal
FOOD BIOSCIENCE
Volume 46, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.fbio.2021.101517
Keywords
Microencapsulation; Probiotics; Quality parameters; Sodium reduction; Processed cheese
Categories
Funding
- Rio de Janeiro Research Fundation (FAFERJ)
- National Council for Scientific and Technological Development (CNPQ)
- Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior (CAPES)
- productivity grants (CNPQ)
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The addition of Lactobacillus acidophilus and sodium reduction in processed cheese resulted in improved fatty acid content, health indices, and rheological properties. Microencapsulation of probiotics showed higher sensory acceptance and probiotic counts in storage and simulated gastrointestinal conditions.
The effect of sodium reduction and Lactobacillus acidophilus addition (free or microencapsulated) on the quality parameters of requeijao cremoso processed cheese was assessed for 90 days at 5 degrees C. Three formulations were prepared: (CONT) regular salt content and curd fusion (90 degrees C/2 min), (FREE) reduced salt content + free probiotic culture added after curd fusion (90 degrees C/2 min), and (MICRO) reduced salt content + microencapsulated probiotic culture added before curd fusion (70 degrees C/5 min). FREE and MICRO formulations showed increased monounsaturated and polyunsaturated fatty acid content, improved health indices (decreases in thrombogenic index and increases in desirable fatty acid index), and altered rheological properties (higher consistency index, apparent viscosity, elastic properties, and gel strength). In addition, the MICRO formulation showed higher texture sensory acceptance and probiotic counts higher than 6 log CFU/g during storage and simulated gastrointestinal conditions. Overall, microencapsulation of probiotics with spray chilling represents an innovative solution in requeijao cremoso processed cheese.
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