Pp Lab Report Digestion Essay

1569 WordsMar 23, 20157 Pages
LABORATORY REPORT Activity: Effect of Dietary Fiber on Transit Time and Bile Name: Hope Schallert Instructor: Dr. Weithop Date: 03.08.2015 Predictions Dietary fiber will: increase transit time Dietary fiber will increase the amount of bile acid in solution Materials and Methods Effect of Dietary Fiber on Transit Time 1. Dependent variable. number of radiopaque markers in GI tract 2. Independent variable. amount and type of fiber in meal 3. Controlled variables. calories in meal, nutrients in meal Effect of Dietary Fiber on Bile Acid Adsorption 1. Dependent variable. amount of bile acids in solution 2. Independent variable. amount of fiber in meal 3. Controlled variables. moisture in meal, size of meal particles, calories and…show more content…
again I am going to assume this is soluble since I have not done it yet RC42 17 0 LC33 21 4 SC13 17 4Total 83 54 8 8. Which meal had the least percentage of markers in the total colon at 24 hours? Insoluble fiber-rich diet Table 5. Effect of Dietary Fiber on Bile Acid Adsorption Experimental Optical density (OD) of colored filtrate (reflects amount of bile 1 - OD (reflects amount of bile acid adsorbed by food particles) Trials acid in filtrate) Bile Acid Standard Standard Fiber-Rich Fiber-rich Bile Acid Standard Standard Fiber-Rich Fiber-rich With Buffer meal without meal with Meal meal with With Buffer meal without meal with Meal meal with Solution (No bile bile acid Without Bile bile acid Solution (No bile bile acid Without Bile bile acid Fibers) Fibers) 1 1 0 0.47 0 0.32 0 1 0.53 1 0.68 2 1 0 0.45 0 0.3 0 1 0.55 1 0.70 3 1 0 0.51 0 0.41 0 1 0.49 1 0.59 Average 1 0 0.48 0 0.34 0 1 0.52 1 0.66 Effect of Dietary Fibers on Bile Acid Adsorption 9. Which had the greatest average OD (amount of bile acid in filtrate), the standard meal with bile acid or the fiber-rich meal with bile acid? Standard meal 10. Which had the greatest average 1- OD (amount of bile acid adsorbed to meal particles), the standard meal with bile acid or the fiber-rich meal with bile acid? fiber rich meal Laboratory Report/ Hope Schallert/ Effect of Dietary Fiber on Transit Time and Bile/ Dr.
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