In many cases the enzymes named above are brand names. They may appear under other names as well. Enzymes are usually found in minuscule quantities in the final food product. The toxin found in genetically engineered tryptophan was less than 0.1 percent of the total weight of the product, yet it was enough to kill people. The use of enzymes is pervasive in the food industry.
Nothing is known about the long-term effects of genetically engineered enzymes.
We include this information so you can make an informed choice about whether you want to eat them or not.