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Updated: Jun 14, 2025

Novel Production Protocol for Small-scale Manufacture of Probiotic Fermented Foods
Published on: September 10, 2016
Oat-grape beverages enriched with anthocyanins from jambolan (Syzygium cumini): A novel plant-based probiotic
Sara Sayonara da Cruz Nascimento1, Tainá Rodrigues de Oliveira2, Marcos Dos Santos Lima3
1Biotechnology Postgraduate Program - RENORBIO, Federal University of Rio Grande do Norte, 59078-970 Natal, RN, Brazil.
Abstract:
This study aimed to develop and evaluate probiotic beverages formulated with water-soluble oat extract, grape pulp, 3 % or 5 % jambolan extract (JE), and inoculated with Lactobacillus acidophilus LA14. Over 28 days of refrigerated storage, the beverages were assessed for their probiotic count, physicochemical characterization, antioxidant activity, and inhibition of digestive enzymes. Furthermore, the probiotic survival under simulated gastrointestinal conditions and the sensory acceptance were investigated. The anthocyanin-enriched beverages maintained probiotic viability of 14.10-13.50 log CFU/mL and retained levels above 9 log CFU/mL during storage. At the end of storage, antioxidant activity by ABTS radical scavenging improved from 8.08 to 134.75 μmol Trolox/mL, while α-glucosidase inhibition increased from 16.24 % to 52.37 % with JE addition. Sensory analysis revealed that the beverage containing 3 % JE achieved an overall acceptance of 67.7 %, comparable to the control (68.1 %). These findings support the potential of these beverages as novel plant-based probiotic functional foods.
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