Inhibitory effect of polysaccharides from pumpkin on advanced glycation end-products formation and aldose reductase activity

► The pumpkin polysaccharides were proved to have inhibitory effect on AGEs formation. ► The pumpkin polysaccharides were found to have inhibitory effect on aldose reductase. ► This is the first time polysaccharides were found to inhibit aldose reductase.