A positive result of Benedict's test is indicated by a color change from clear blue to brick-red with a precipitate. Generally, Benedict's test detects the presence of aldehyde groups, alpha-hydroxy-ketones, and hemiacetals, including those that occur in certain ketoses. Testing urine for glucose using Benedict’s Test is a classic qualitative method to detect reducing sugars, primarily glucose, in a urine sample. It’s especially useful in screening for diabetes mellitus or renal glycosuria. Benedict's Test is a qualitative test for simple carbohydrates that have reducing properties. Learn how to prepare, perform and interpret the test, and see examples of positive and negative results. Learn what Benedict's Test is, how it detects reducing sugars, steps to perform it, color changes chart, and its clinical applications.
