Kumar V, R A, Ahire JJ, Taneja NK. Techno-Functional Assessment of Riboflavin-Enriched Yogurt-Based Fermented Milk Prepared by Supplementing Riboflavin-Producing Probiotic Strains of Lactiplantibacillus plantarum.
Probiotics Antimicrob Proteins 2024;
16:152-162. [PMID:
36515890 DOI:
10.1007/s12602-022-10026-6]
[Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/02/2022] [Indexed: 12/15/2022]
Abstract
Vitamin enrichment in fermented dairy products through the intervention of vitamin-producing probiotic strains during fermentation is a novel approach in the field of probioceuticals. In this study, riboflavin-enriched yogurt-based fermented milk was prepared by mixing 1% (v/v) riboflavin-producing strain [1.2 × 108 CFU/mL of Lactiplantibacillus plantarum MTCC 25432 or L. plantarum MTCC 25433 or L. plantarum MTCC 25434] with 2% (v/v) traditional yogurt cultures [Streptococcus thermophilus NCDC 295 and L. delbrueckii subsp. bulgaricus NCDC 293; each of 1.3 × 107 CFU/mL]. The yogurt-based fermented milk prepared with traditional yogurt cultures (2%, v/v) was served as a control. The prepared yogurt-based fermented milk samples were analyzed and compared for riboflavin content, antimicrobial activity, physicochemical, and functional properties. As a result, the yogurt-based fermented milk prepared with L. plantarum MTCC 25432 produced a significantly higher amount of riboflavin (2.49 mg/L) as compared with MTCC 25433 (2.33 mg/L), MTCC 25434 (2.14 mg/L), and control (1.70 mg/L). The probiotic supplementation to yogurt cultures maintained the pH and titratable acidity in the range of 4.1-4.4 and 1.0-1.05% (lactic acid/100 mL), as recommended by Indian yogurt standards. The rheological, texture, and antimicrobial properties of yogurt-based fermented milk were enhanced with the addition of riboflavin-producing probiotic strains. Moreover, all yogurt-based fermented milk samples prepared in this study were acceptable as per the sensory evolution scores. In conclusion, the use of riboflavin-producing L. plantarum strains along with standard yogurt cultures could be the best approach to enhancing riboflavin content in yogurt-based fermented milk and fulfilling the daily riboflavin requirement in humans.
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