Raisin refers to a kind of food after dried fruit grapes
Glucose is a kind of sugar, a product of plant photosynthesis
It can be said that there may be Contains a certain amount of glucose, but glucose can be contained in basically all green plants and is not exclusive to grapes
Raisins are sweet because the water content of grapes decreases when dried and the sugar concentration increases, so they taste better than grapes. Sweet
Glucose itself has no sweet taste. Generally, the large hanging bottles in hospitals contain glucose solution