In vitro investigation of the efficacy of myo-inositol (vitamin B8) as an antioxidant and preservative additive for feed safety

Abstract
The study was carried out to examine the safety and potential activities of myo-inositol as an antioxidant, preservative, hygiene enhancer, and antiviral feed additive in pet nutrition. For this purpose, the antioxidant capacity of myo-inositol was expressed as vitamin C equivalent antioxidant capacity (VCEAC) by MTT assay. The cytotoxic concentration of 50% (CC50) was measured by the linearity between myo-inositol concentrations and the viability of mammalian kidney and liver cell lines. The virucidal and antiviral activities of myo-inositol were determined by the virus titration method on the host cell infectivity of murine norovirus-1 (MNV-1) and expressed as the tissue cell infective dose of 50% using the Spearman–Karber method. One milligram of myo-inositol equals the antioxidant capacity of 0.454 mg of vitamin C. The CC50 was determined between 280 and 966 mg/ml for kidney and liver cell cultures. Myo-inositol exhibited dose-dependently virucidal activity against MNV-1 as a surrogates for pet caliciviruses. In three different antiviral experiments, 50% inhibition concentrations were determined as 0.054, 0.084, and 0.047 mg/ml. This in vitro study presents that myo-inositol might be a potential candidate as an antioxidant, preservative, and hygiene enhancer feed additive against oxidative deterioration and microbial contamination in feed production technology for ensuring feed safety and promoting pet health.
Article Details
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Korkmaz, S., Sait, A., & Keleş, A. (2025). In vitro investigation of the efficacy of myo-inositol (vitamin B8) as an antioxidant and preservative additive for feed safety. Journal of the Hellenic Veterinary Medical Society, 76(1), 8597–8606. https://doi.org/10.12681/jhvms.35879
- Issue
- Vol. 76 No. 1 (2025)
- Section
- Research Articles

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