PROBLEM TO BE SOLVED: To provide a novel anti-saccharification composition which can be used safely, and can be supplied stably.SOLUTION: An anti-saccharification composition containing at least one combination selected from a combination of barley leaf powders or barley leaf extract and sweet potato stem and leaf powders or sweet potato stem and leaf extract, a combination of barley leaf powders or barley leaf extract and kale powders or kale extract, and a combination of sweet potato stem and leaf powders or sweet potato stem and leaf extract and kale powders or kale extract.SELECTED DRAWING: None