The GW dryer formally known as the Refractance Window Dryer is a scientifically proven technology that gives short drying time and low-temperature technology is known to be the gentlest method in drying commercially available, this technology preserves 96%-97% nutrition fact in berries powders. Benefits, high retention of color, flavor, and aroma, high nutrition retention, high yield, product dried in minutes not hours, high bulk density crystal, steady state versus batch process, fast product changeover, and energy efficient.