Learn how to use this product Trypsin-EDTA solution is derived from porcine pancreas and is suitable for the detachment and dissociation of various cell types from culture surfaces. A versatile range of available formulations suit many applications. The concentration of trypsin required to dislodge cells from their substrate depends primarily on the cell type and the age of the culture. Various formulations should be tested to determine the best product for a specific application.