This article focuses on how to extract useful substances from plant material called hemicellulose to make valuable products like sugars, alcohol, and materials, helping in a sustainable and circular way of producing many things we use. The researchers discuss using special processes to separate hemicellulose from plant fibers efficiently. They found that this method can create products like xylooligosaccharides, xylitol, ethanol, and materials like films and coatings. These products can be used in food, materials, and energy industries, benefiting our society and the environment. The key idea is to get important stuff from plants in an eco-friendly way, making useful things while taking care of the planet.