Jolpai (Olive) a commercially important oil-plant of the family Oleaceae. The true olive, Olea europaea, is one of the oldest known fruits, first reported from Egypt since the beginning of the historical times. The plant is mostly cultivated as the source of olive oil. The olive that is found in Bangladesh is a different plant. Olives are small fruits that grow on olive trees. They belong to a group of fruit called drupes, or stone fruits, and are related to mangoes, cherries, peaches, almonds, and pistachios. Olives are very high in vitamin E and other powerful antioxidants. Studies show that they are good for the heart and may protect against osteoporosis and cancer. The healthy fats in olives are extracted to produce olive oil, one of the key components of the incredibly healthy Mediterranean diet. Olives are often enjoyed in salads, sandwiches, and tapenades. The average olive weighs about 3–5 grams.