Synthesis and properties of Nα‐lauroyl‐L‐arginine dipeptides from collagen‐lauroyl‐L‐arginine dipeptides from collagen

In order to obtain protein‐based amphoteric surfactants with antimicrobial properties, N α ‐lauroyl arginine dipeptides have been prepared by condensation between N α ‐lauroyl arginine and amino acids which come from a collagen hydrolysate. Some surfactant properties and the minimum inhibitory concentration against Gram positive and Gram negative bacteria have been evaluated. All types of compounds presented a surfactant‐like behavior. Furthermore, the compounds described in this paper may be considered as mild preservative or protective substances.