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When we eat food, most people never think about the enzymes that are needed to help with digestion. Think about your favorite meal, now think back to a time when you had that meal. Did you ever stop to think about how your saliva was breaking that food down? Or how your stomach was secreting enzymes and acids to turn that meal into a thick digestible liquid, known as chyme? Most people probably haven’t, since thinking about your favorite meal turning into chyme is not appetizing! However, enzymes play a vital role in digestion, without enzymes we would be unable to eat. In humans, there are two important enzymes that aid in digestion: ptyalin (salivary amylase) and pepsin. Ptyalin is found in saliva and helps break down starches into simpler sugars. Pepsin is found in the stomach and helps to break down proteins into smaller peptides.
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