Crystalline maltol is a white crystalline powder, soluble in water and ethanol.The viscosity is moderate; the melting point of the crystal is 148~151 degrees C.The sweetness is 0.8 - 0.9 times as much as sucrose,The sweetness of the liquid form is 0.6 times as high as that of the sucrose.Its sweet taste is soft and tasty and has no aftertaste.Maltitol is a kind of disaccharide alcohol obtained by enzymatic hydrolysis and hydrogenation refining of amylase. It is characterized by heat resistance, acid resistance, moisture retention and non-fermentation.No increase in blood sugar after consumption can promote calcium absorption, and non carious, is a new functional sweetener.It can be used in medicine and food for diabetic patients, and is widely used in sugar-free food processing, medicine, health care products and other fields.