The Neutral Xylanase (NEX) Activity Assay Kit is primarily used to measure the activity of xylanase enzymes in various samples. It is widely applied in industries such as biofuel production, where xylanase is used to break down hemicellulose into fermentable sugars. In the paper and pulp industry, this kit helps monitor enzyme efficiency in the bleaching process, reducing the need for harsh chemicals. Additionally, it is utilized in animal feed production to assess xylanase activity, which improves nutrient absorption by breaking down non-starch polysaccharides in feed. The kit is also valuable in research and development for optimizing enzyme performance in industrial applications.