Autolysis is a process that occurs due to leakage of hydrolytic cellular enzymes from cells after death. The changes that occur in this process are mainly on a microscopic rather than a macroscopic level.

At what stage after death do cells begin to undergo autolysis?

Putrefaction (4-10 days after death) – Autolysis occurs and gases (odor) and discoloration starts. Black putrefaction (10-20 days after death) – exposed skin turns black, bloating collapses and fluids are released from the body.

How does autolysis happen?

In the food industry, autolysis involves killing yeast and encouraging breakdown of its cells by various enzymes. ... In the making of fermented beverages, autolysis can occur when the must or wort is left on the lees for a long time. In beer brewing, autolysis causes undesired off-flavors.