Food and nutrition

• Benedict's is a reagent that changes colour from blue to brick-red when it reacts with reducing sugars.
• Iodine solution is a reagent that changes colour from yellow-brown to blue-black when it reacts with starch.
• Biuret is a reagent that changes colour from blue to lilac when it reacts with amino acids or protein
• Ethanol is a reagent that changes colour from colourless to white emulsion when fats are present