What does no change in an Iodine Test Mean. Positive or Negative?

mustafa h

New member
We are doing an experiment in which we boiled a starch breaking enzyme (amylase) so we denature it. Then we add starch to it. Then we add Benedicts and Iodine to check for poly/monosaccharide. When adding the Iodine, we got no change in color. What does this mean. a negative or positive.
 
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