Puspita Nursery Bel Tree, Bilva Patra, Bel Patra- Plant With 4″ Black Pot It is because of the presence of the tannin in bael, Belpatra is useful in curing diseases like diarrhea and cholera. Even the dried raw powder of it is used in treating chronic diarrhea. Bael extract oil is used to cure respiratory problems. Bael fruit is used in the preparation of candy, squash, toffee, pulp powder, and other eatable products. Aegle Marmelos is anti-inflammatory in nature. Its extracts when applied on the exposed area, help to cure inflammation.