ABSTRACT: Barbari is traditional flat leavened Iranian bread and one of the most popular breads consumed in Iran. Barbari bread stales quite fast and its shelf life is very short. Therefore, the addition of bread improvers and anti-staling agents, such as aloe vera, is a suitable method for extending the shelf life of the bread. In the present study, the effect of aloe vera powder at 0, 1, 3, 6...