E714 – Monensin A

Description

Polyether antibiotic produced by *Streptomyces cinnamonensis*

Risks

Notes

Monensin is an antibiotic belonging to a class called polyether antibiotics, produced by fermenting a soil bacterium named Streptomyces cinnamonensis. The term 'polyether' refers to its chemical structure, which allows it to work in a unique way - it can transport certain minerals across cell membranes, which is how it affects bacteria and improves animal digestion. This additive is used in feed for cattle, sheep, and sometimes poultry, where it serves multiple purposes. It helps prevent a serious digestive condition called coccidiosis, improves feed efficiency by changing how animals digest their food, and can reduce methane production in ruminant animals like cattle - which is better for the environment. Monensin is a synthetic antibiotic produced through controlled fermentation. Since it's used in animal feed rather than human food, it doesn't directly impact dietary restrictions, though consumers concerned about antibiotic use in agriculture may seek out meat and dairy from animals raised without antibiotics. It's particularly notable that monensin can be toxic to horses and some other animals, so its use is carefully regulated and restricted to specific livestock species under veterinary guidance.