BEVERAGEDAILY.COM SPECIAL: SWEETENER INNOVATION Mid-calorie soft drink success rests on tackling stevia aftertaste issues: Analyst 23-May-2013 By Mark ASTLEY Mid-calorie carbonated soft drink manufacturers must deal with the aftertaste issues associated with stevia, as the natural sweetener becomes more widely accepted by consumers, according to Datamonitor consumer analyst, Melanie Felgate.