sensory qualities of the samples were evaluated in terms of color, appearance, crispness, oiliness, taste and overall accept-ability. Each attribute was evaluated using a 9-point hedonic scale,where 9 is excellent and 1 is extremely poor. A 15-number panel(Gender: 7 females and 8 males, Age: 24-50 years), all of whom were experienced in the sensory evaluation of snack foods and trained with freeze-dried banana chips and cassava crackers and fish crackers without GBF to understand the used descriptors in the same way before tests, was appointed to score the six sensory attributes, respectively. Each sample composed of ten crackers was served to every panelist. Triplicate evaluations were run for thesample of each substitution level