Antibacterial activities of tannic acid against isolated ruminal bacteria from sheep
Abstract
This present study was conducted to evaluate the antimicrobial effects of tannic acid (TA) against isolated ruminal bacteria from adult sheep. Rumen samples were collected from two (2) adults sheep, and a total of nine (9) ruminal bacteria were isolated from the sample. The sensitivity of the ruminal bacteria isolates to 0.63, 1.25, 2.50, 5.00 and 10.00 mg TA/mL of growth medium was determined using clearance zone (CZ) of Kirby-Bauer disc diffusion susceptibility test. There was observable increase in the sensitivity of all bacterial isolates as the level of TA increases. Not all bacterial isolates have the capacity to tolerate more than 1.25 mg TA/mL. The result shows that only 20% of the bacterial isolates had the capacity to tolerate 0.63 and 1.25 mg of tannic acid per liter. This concentration of tannic acid would be equivalent to 2% tannin in the diet of ruminant. Our findings shows that increase in concentration of tannic acid completely inhibited the ruminal bacteria from the sheep rumen.
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Increased tannic acid concentration may lead to complete inhibition of ruminal bacteria in sheep.
“However, the increased tannic acid concentration may lead to the complete inhibition of ruminal bacteria in sheep (206).”
From Phytogenic Additives Can Modulate Rumen Microbiome to Mediate Fermentation Kinetics and Methanogenesis Through Exploiting Diet–Microbe Interaction (2020) · cites this paper as [206]
Tannic acid at 0-1.25 mg/mL can alter microbial activities and improve feed efficiency in ruminants.
“Tannic acid (0–1.25 mg/mL) can alter microbial activities and improve feed efficiency in ruminants.”
From Phytogenic Additives Can Modulate Rumen Microbiome to Mediate Fermentation Kinetics and Methanogenesis Through Exploiting Diet–Microbe Interaction (2020) · cites this paper as [206]
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- Authors
- Cipriano-Salazar, M., Rojas-Hernández, S., Olivares-Pérez, J., Jiménez-Guillén, R., Cruz-Lagunas, B., Camacho-Díaz, L. M., & Ugbogu, A. E.
- Affiliations
- Universidad Autónoma de Guerrero (MX)
- Corresponding author
- Camacho-Díaz, Luis Miguel
- Venue
- Microbial Pathogenesis
- Publisher
- Elsevier BV
- Published
- 2018-04
- Volume
- 117
- Pages
- 255-258
- ISSN
- 0882-4010 (ISSN-L)
- OpenAlex
- W2791958155
- Cited by
- 33
- References
- 49
- Citations by year
- 2026: 3 · 2025: 2 · 2024: 5 · 2023: 6 · 2022: 6 · 2021: 3 · 2020: 4 · 2019: 2 · 2018: 2
- FWCI
- 4.64
- Type
- journal article
- Language
- en
- Open access
- closed
- Locations
- Microbial Pathogenesis (publishedVersion)
- PubMed (publishedVersion)
- Topics
- Life Sciences › Agricultural and Biological Sciences › Agronomy and Crop Science › Ruminant Nutrition and Digestive Physiology
- Life Sciences › Agricultural and Biological Sciences › Animal Science and Zoology › Animal Nutrition and Physiology
- Life Sciences › Agricultural and Biological Sciences › Food Science › Essential Oils and Antimicrobial Activity
- Keywords
- tannic acid, antibacterial activity, rumen bacteria, sheep, antimicrobial susceptibility, tannins, ruminant nutrition, bacterial growth inhibition
- MeSH terms
- Animals, Anti-Bacterial Agents, Bacteria, Diet, Rumen, Sheep, Tannins, Disk Diffusion Antimicrobial Tests
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