As a high-quality rose variety in the world, a large area of Damascus rose has been brought in and cultivated in many parts of China. In the process of rose cultivation management, resource waste and environmental pollution result from pruning each year. In order to explore the utility value of abandoned leaves and improve the level of rose cultivation management, this study investigated soluble polysaccharide of rose leaves and branches, protein, micronutrient elements, extraction of plant polyphenols and ...