Plant enzymes are important because they are capable of digesting food before the body's own digestive process begins.In other words, plant enzymes can enhance the digestion of food and the delivery of nutrients to the blood even if you have a compromised digestive system.The same cannot be said of animal enzymes such as pancreatin. Everyone agrees that proper nutrition is crucial to the maintenance of a healthy body.n other words, plant enzymes can enhance the digestion of food and the delivery of nutrients to the blood even if you have a compromised digestive system. The same cannot be said of animal enzymes such as pancreatin. Everyone agrees that proper nutrition is crucial to the maintenance of a healthy body.