Rebaudioside A is a sweet tasting steviol glycoside purified from the leaves of the stevia plant.
What is stevia? Stevia is a plant of the Chrysanthemum family, the leaves of which have been used as a sweetenerin South America for hundreds of years. Extracts from the stevia leaf have been available as dietarysupplements in the U.S. since the mid-1990’s and many contain a mixture of both sweet and nonsweetcomponents of the stevia leaf.
What is the difference between stevia, rebaudioside A and steviol glycosides? The term stevia typically refers to a crude preparation (powder or liquid) of dried stevia leaves.
Itmay contain a mixture of many substances, only some of which are sweet.
Steviol glycosides canbe isolated and purified from the leaves of the stevia plant and can be used to sweeten foods andbeverages and used as tabletop sweeteners.
Rebaudioside A is one of the steviol glycosides purifiedfrom the leaf of the stevia plant. Other steviol glycosides include stevioside, rebaudiosides B, C, D, F,steviolbioside, rubusoside, and dulcoside A.
How many calories do stevia sweeteners contain? Steviol glycosides have zero calories. Stevia-based tabletop sweeteners can have zero or minimalcalories per serving, depending upon the other food ingredients with which they are combined. For example, some stevia sweeteners may be mixed with sugar as a bulking agent and these stevia sweeteners will contain some calories.
How are stevia sweeteners helpful in weight control? With zero calories, stevia sweeteners can help reduce orreplace calories in foods and beverages and offer low and no calorie alternatives for people looking to lose andcontrol weight. Consuming beverages and foods withstevia sweeteners as part of a healthful diet and lifestyle,including regular physical activity, can assist with weightcontrol and weight loss.