Bioven Ingredients Maltodextrins (MDs) are a class of carbohydrates (CHOs) extracted from a range of botanical sources. They are industrially produced by enzymatic or acid hydrolysis of the starch, followed by purification and spray drying. Bioven Ingredients Maltodextrin is generally used as a thickener or filler to increase the volume of a processed food. It's also a preservative that increases the shelf life of packaged foods. It's inexpensive and easy to produce, so it's useful for thickening products such as instant pudding and gelatins, sauces, and salad dressings.