The canistel jam comprises following raw materials: 75-85 parts of canistel, 1-3 parts of citric acid, 0.4-0.6 parts of vitamin C, 20-30 parts of watermelons, 30-40 parts of blueberries, 5-7 parts of honey, 0.1-0.3 parts of a stabilizer, 7-9 parts of starch, 50-70 parts of water and 0.1-0.3 parts of sodium ...