Some flavors of Doritos have pork enzymes, but not all of them.

The following website has a list of products that do not contain pork enzymes, which includes a list of Doritos products.

Flavors that are not on the list contain pork enzymes.

http://www.fritolay.com/your-health/us-products-made-without-porcine-enzymes.html

Some flavors of Doritos have pork enzymes, but not all of them.

The following website has a list of products that do not contain pork enzymes, which includes a list of Doritos products.

Flavors that are not on the list contain pork enzymes.

http://www.fritolay.com/your-health/us-products-made-without-porcine-enzymes.html

You'll have to provide a list

Common enzymes used for clinical diagnosis.

salivary amylase
turns proteins into peptides