Test for carbohydrates | 合法醫療器材資訊網

Foodscontainingstarchwillturnablue-blackcolour.Theiodinetestcanalsobeusedwithamicroscopetostainstarchgrainsinplantcells.

Reducing sugars give a red-brown precipitatecloseprecipitateA suspension of particles in a liquid formed when a dissolved substance reacts to form an insoluble substance, eg in a precipitation reaction. with Benedicts solution. The precipitate takes a while to settle in the tube – youre more likely to see simply a red or brown colour. If theres not much glucose present, the final colour may be green or yellow, or orange if theres a little more.