(i) Saccharin:
Saccharine is the well known sweetening agent which is more than 550 times sweet as compared to sucrose (or sugar). It is commonly used in the preparation of sweets for diabetic patients. Actually, it is not a carbohydrate. Now better sweetening agents are also available.
(ii) Sodium benzoate:
Sodium benzoate is a chemical used as a food preservative to stop spoilage of food.