* Pepsin: Found in the stomach, pepsin breaks down proteins into smaller peptides. It works best at a pH of around 2.
* Rennin: Also found in the stomach, rennin is an enzyme that helps in the digestion of milk proteins. It works best at a pH of around 3.5.
* Lysozyme: Found in tears, saliva, and other bodily fluids, lysozyme breaks down bacterial cell walls. It has an optimal pH of around 5.
* Lipase: Found in the stomach and small intestine, lipase breaks down fats. While it works best at a slightly basic pH, it can also be active in acidic environments.
* Amylase: Found in saliva and the pancreas, amylase breaks down starch into sugars. It has a broad pH range and can work in both acidic and slightly basic conditions.
It's important to note that the optimal pH for an enzyme can vary depending on the specific enzyme and its function. However, all acidophilic enzymes are characterized by their ability to maintain their structure and function in acidic environments.
