Science Enhanced S&S Biology - Virginia Department of ...

Heat the tube gently in a hot water bath for about 2 minutes. A color change from blue to green to yellow/orange/red indicates the presence of a simple (reducing) sugar. 4. Record results in Table 3. Iodine test for starch. 1. Add 1–5 drops of iodine solution directly to the sample solid food or solution. 2. The result is almost instantaneous ... ................
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