The hydrolysis of sucrose into an equimolar mixture of glucose and fructose is a foundational biochemical fact of carbohydrate chemistry, requiring no citation.
The claim states that the hydrolysis of sucrose yields an equimolar mixture of glucose and fructose. This is a basic chemical definition and property of sucrose (a disaccharide composed of one glucose and one fructose molecule linked by a glycosidic bond). Therefore, it is a matter of common knowledge and requires no citation to specific research papers.