run something into something. 1. to guide or route something, such as a wire or a pipe, into something or a place. The worker ran the circuit into each room. He ran in the circuit as specified. 2. to guide something into something; to drive or steer something into something else.
A change of color to a blue-black or purple color suggests that starch is present. If there is no change in color, this suggests no starch is detectable. Note the change of the iodine to black on the potato (right) but not the apple (left). (10% Tincture of iodine.) Potato contains starch, but apple does not.
2. Place a few drops of iodine solution on each food. 3. Make observations immediately. 4. Wait a few more minutes and note any other changes. Observations Complete the chart below using the food your group has compiled. When drops of iodine solution are applied to a food containing starch, the solution will turn dark blue, purple, or blackish. Data table: Food product Description before testing Description after testing Conclusion: are complex sugars present? 1. 2. 3. 4. 5. 6.