Journal
APPLIED SCIENCES-BASEL
Volume 12, Issue 10, Pages -Publisher
MDPI
DOI: 10.3390/app12105082
Keywords
Ajwa; Madinah; probiotics; inflammation; foods
Categories
Funding
- Deanship of Scientific Research (DSR), King Abdulaziz University, Jeddah [DF-552-130-1441]
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Three strains of Lactobacillus isolated from fermented dates showed high tolerance to acids and bile salts, as well as potential health benefits such as antioxidant and anti-inflammatory properties.
A total of 20 Lactobacillus strains isolated from fermented dates were tested for their probiotic potential by comparing their pH stability, resistance to low pH, and ability to tolerate bile salts. Out of 20 strains, 3 strains named as Lactobacillus pentosus KAU001, Lactiplantibacillus pentosus KAU002, and Lactiplantibacillus plantarum KAU003 had a high tolerance of acids and bile salts and the capability to adhere to the intestinal wall. In addition, the three isolates were tested for their anti-oxidation, anti-glucosidase inhibition, cholesterol-lowering, and anti-inflammation properties. Among them, strain KAU001 and KAU002 inhibited alpha-glucosidase, lowered cholesterol level, inhibited nitric oxide production, and showed a higher anti-oxidative ability that was significantly better than strain KAU003. Both strains also significantly inhibited the release of inflammatory mediators such as TNF-alpha, IL-6 and IL-10 induced by LPS on RAW 264.7 macrophages (p < 0.001). The results indicated that KAU001 and KAU002 have the highest probiotic potential, potentially modulating metabolic health and reducing pro-inflammatory cytokines in response to allergic reactions.
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