LAB DAY 3: STARCH When iodine recognise starch, it turns black We can cause it to know what ingredients contain starch HYPOTHESIS: i do not think it is going to turn black because ham conteins proteins not carbohydrates, so it doesn't contan starch RESULTS: york: turns black. They are lying to us because it is not supposed to have starch (fécula de patata) cocido extra: doesn't turn black, it's natural all natural: doesn't have starch