1. Fructose syrup is a mixed syrup composed of fructose and glucose, while malt syrup is mainly composed of maltose, with obvious differences in composition. Fructose and glucose in high fructose syrup come from fruits and have natural sweetness, while maltose in malt syrup comes from malt and has unique wheat flavor.

2. Because of the different ingredients, fructose corn syrup and malt syrup have different uses. High fructose corn syrup is often used in food processing, such as cakes, biscuits, jam, etc., which can increase sweetness and taste. Malt syrup is often used in brewing beer, making candy and chocolate, etc., which can provide special wheat flavor and consistency.