Bile Acids: A Science-Backed Defense Against Toxin Challenges for Animal Health

Toxin contamination remains a pervasive global challenge across the livestock industry. Mycotoxins including aflatoxins, deoxynivalenol and zearalenone, as well as endogenous toxins such as lipopolysaccharide (LPS), impose continuous risks to animal productivity and wellbeing. At mild exposure levels, these toxins reduce feed intake and depress feed conversion ratio; severe intoxication directly damages the liver, kidneys, intestinal tract and immune system, resulting in significant economic losses in animal production.

Beyond conventional physical, chemical and biological detoxification strategies, bile acids have emerged as a highly effective approach to alleviating mycotoxin toxicity, thanks to their unique physiological functions. The core mechanism by which bile acids mitigate toxin damage is inhibiting intestinal toxin absorption. Peer-reviewed research has verified that bile acids can restrict the transmembrane absorption of endotoxins, reducing toxin uptake by more than 40%.

This pronounced protective effect is rooted in the molecular properties of bile acids. Most toxins are lipophilic, while bile acid molecules feature both hydrophilic and lipophilic moieties. In the aqueous intestinal environment, once bile acid concentrations reach a critical threshold, their lipophilic moieties spontaneously bind to lipophilic toxin molecules via hydrophobic interactions, sequestering toxins inside the core of micelles assembled by bile acid molecules. This process accelerates toxin excretion, shortens the residence time of mycotoxins in the body, and reduces the potential harm to vital organs, thus comprehensively protecting animal health.

References [1] https://doi.org/10.1053/jhep.2003.50116 [2] https://doi.org/10.1159/000366100