Leaves drying, extraction and high precision Dicotyledon Gang, Asteraceae perennial herb. The early eighties the introduction of cultivation, is a new source of sugar plants. Ye Wei 6-12% with inulin, fine white powder, is a low-calorie, high natural sweetness of the sweetener, the food and pharmaceutical industry raw materials. Stevia plant height of 90-150 cm, base woody, stem diameter 0.8-1.2 ...