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Volume 11, Issue 2 (May 2026)
JNFS 2026, 11(2): 191-204 |
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Al Musa R, Ethafa E. The Effect of Active Compounds in Raisins on the Inhibitory Activity and Free Radical-Scavenging Capacity of Fortified Yogurt. JNFS 2026; 11 (2) :191-204
URL: http://jnfs.ssu.ac.ir/article-1-1294-en.html
URL: http://jnfs.ssu.ac.ir/article-1-1294-en.html
Department of Food Sciences, College of Agriculture, University of Basrah, Iraq
Abstract: (540 Views)
Background: Awareness has recently increased because of the reliance on plant extracts such as raisin extracts to enhance biological properties and produce functional products such as dairy products fortified with these extracts. Methods: In this study, the active compounds in aqueous and alcoholic extracts of black and yellow raisins were evaluated by GC‒MS. The yogurt fortified with extracts was manufactured, and the diameter of the inhibition zone was estimated against Staphylococcus aureus, Bacillus cereus, Escherichia coli, and Pseudomonas aeruginosa. The free radical-scavenging capacity (DPPH%) was estimated at concentrations of 0, 5, 10, and 15 mg/ml. The letters also refer to antioxidants (A1) and (A2) in yogurt with alcoholic and aqueous extracts of black raisins and (A3) and (A4) in yogurt with alcoholic and aqueous extracts of yellow raisins. Results: The findings revealed the emergence of many active compounds, including alcohols, hydroxymethylfurfural, vitamins, alkanes, alkynes, phenolics, long-chain saturated fatty acids, organic acids, and other active compounds of different percentages. The highest inhibition zone of yogurt fortified with alcoholic extracts for black raisins was against Bacillus cereus, which reached 8, 20, and 23 mm, respectively, and increased in yogurt fortified with aqueous extracts for black raisins to 9, 21, and 24 mm, respectively. The free radical-scavenging capacities of the A1, A2, A3, and A4 samples were 38.17, 39.12, 39.46, and 39.89%, respectively, at a concentration of 15 mg/ml, whereas that of ascorbic acid was 85.90%. Conclusion: This study showed that consuming yogurt fortified with raisin extracts provides the body with functional benefits.
Type of article: orginal article |
Subject:
public specific
Received: 2025/03/15 | Published: 2026/05/30 | ePublished: 2026/05/30
Received: 2025/03/15 | Published: 2026/05/30 | ePublished: 2026/05/30
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