Which of the following is used as a sweetener or preservative?

Sugar is a monosaccharide or a disaccharide, and it is commonly used as a sweetener or preservative in various foods and beverages. Sugars are mostly known commercially as any sweet crystalline solid disaccharide (such as sucrose) or monosaccharide (such as glucose) used to add sweetness or to preserve the flavor and texture of food products. Oil is primarily used for cooking or frying, salt is primarily used for seasoning, and vinegar is primarily used as a condiment or for pickling.