What is the disinfection mechanism of iodine tincture?
Nov 21, 2022
Source: Cainiu Health
Dr. Yang Shuwen
Introduction
The disinfecting mechanism of iodine tincture involves oxidizing the active groups in protoplasmic proteins and then combining with amino acids; when properly formulated, it achieves effective disinfection and bactericidal action. Iodine tincture is an alcohol-based substance that may irritate the skin and should not be used on large-area wounds or burns. It must be used correctly under the guidance of a medical professional.
Iodine tincture works by oxidizing the active groups in protoplasmic proteins and then combining with amino acids. When properly formulated, it achieves disinfection and antibacterial effects.
The main components of iodine tincture are sodium iodide or sodium iodate solutions, with a common concentration of 2%. Iodine acts as an oxidizing agent that reacts with biological molecules such as proteins, nucleic acids, and amino acids within microbial cells. This oxidative reaction damages the microbial cell membrane and internal cellular structures, thereby killing or inhibiting the growth and reproduction of microorganisms. Iodine tincture can be used to treat skin inflammation and for disinfection, helping prevent infections of the skin and mucous membranes. It is also commonly used as a skin antiseptic before surgical procedures.
Iodine tincture contains alcohol and may irritate the skin; therefore, it should not be applied to large wounds or burns. Prolonged or frequent use may cause allergic reactions to iodine. Hence, it should be used correctly under the guidance of a healthcare professional.
