sucrose
Sugar by itself is a simple carbohydrate , but when it is in foods like potatoes that are carbs but turn into sugar in your body it is a complex carb.
Simple carbs are carbs which your body breaks down into sugars faster. Two examples would be juice and soda. Complex carbs are carbs your body takes longer to break down into sugars. Two examples...
the protein and lipids are all simple, but the monosodium diacetate is very complex
polysaccharides include starch, celluscose, and glycogen
The complex carbohydrates are also called polysaccarides and are broken down into simpler monosaccarides such as glucose or lactose.