Novel Probiotic Lactic Acid Bacteria with In Vitro Bioremediation Potential of Toxic Lead and Cadmium

Lactic Acid Bacteria in Sustainable Food Production

“…This study therefore demonstrated the high resistance of LAB strains to Pb and Cd with remarkable efficiency in binding and reducing the bioavailability of these metals with high survival rates. This investigation points to the tremendous potential use of LAB as a probiotic that can be incorporated as a food additive and provide affordable option for the protection of human health, especially suitable for use in developing countries where many people are unknowingly exposed to toxic heavy metals on a regular basis [146]. Effective elimination of cadmium and lead from water by LAB strains was also observed in the research performed by Halttunen et al [147].…”

“…Among the isolates obtained, one with antimicrobial activity also showed potential as a good probiotic and had the ability to remove heavy metal cadmium ions in the solution [145]. Also, Hasan et al [146] in their study isolated LAB strains and tested them for their potential usefulness to bioremediate toxic lead and cadmium with their bioavailability and persistence. Five probiotic LAB strains selected based on their heavy metal resistance potential were subjected to additional in vitro assays to test their Pb and Cd binding and removal efficiencies and to assess their bioavailability and survival in a dynamic in vitro gastrointestinal digestion model.…”