Lactic acid is an organic acid. It is a chiral molecule consisting of two optical isomers L-lactic acid and D-lactic acid with the L-isomer being the most common in living organisms. Lactic acid also is a microbial metabolite.

Delsoline is not only effective in preventing ventricular fibrillation and arrythmia, but can raise the intebsity of the threthold of electrical shocks to cause ventricular fibrillation in rabbits.

Subtilisin, also known as rubinase, is a serine protease of bacterial origin. This enzyme exhibits thermal stability, pH tolerance, and calcium-dependent stability, characteristics that make it suitable for use as an additive in detergents .