المجلة الدولية للعلوم والتقنية

Fruit juices are known to contain organic acids such as citric acid, ascorbic acid, malic and tartaric, It has nutritional values and benefits for human health and disease prevention ,These acids are found in the fresh fruit from which the juice is made and added as a dietary supplement during manufacturing. The study focused on the acidity of the juices. The study was transported out during 2016 – 2017, Where 6 samples of local juice and imported from the Libyan market were collected and measured acidity by the calibration method .The results showed that the acid ratio in all the studied samples, whether local or imported, was very high compared to the natural acidity of the fruit.