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The experiment carried out on grape, lime, orange and lemon fruit juices show that orange juice has the least acidic pH value of 4.09, while lime juice has the highest value of 2.09. Grapefruit had the highest percent of protein content at 0.92% while orange juice recorded the least percentage protein content at 0.51%. Mineral elements analyzed show that lemon juice had the highest potassium and calcium content with value of 195.45ppm and 3.52ppm respectively, while orange juice recorded thedoi:10.11648/j.ijnfs.s.2014030601.18 fatcat:6mgl6f7hyzgknkw7oa7psakqia