Stevioside, also known as stevioside, has a chemical formula of C38H60O 18, which is a glycoside extracted from the leaves of stevia rebaudiana in Compositae. Stevia rebaudiana is native to Paraguay and Brazil. It has the characteristics of high sweetness and low heat energy. Its sweetness is 200-300 times that of sucrose, and its calorific value is only 1/300 of that of sucrose.

Stevioside is a new natural sweetener extracted from stevia rebaudiana (or Stevia rebaudiana), a compositae herb. Stevia rebaudiana has been used as a herb and sugar substitute in South America for hundreds of years. According to the data of international sweetener industry, stevioside has been widely used in the production of food, beverage and seasoning in Asia, North America, South America and European Union countries. China is the world's leading producer of stevioside.

Stevioside is extracted by soaking the dry leaves of Stevia rebaudiana in water, filtering to separate the liquid from the leaves and stems, and further purifying with water or food-grade alcohol, which is a completely traditional plant extraction method. So as to obtain a natural and extremely sweet sweetener-stevioside which can be eaten daily without affecting blood sugar level.

The sweetness is 250~450 times that of sucrose, with slight astringency. Stevia A glycoside has obvious bitterness, astringency and menthol flavor to a certain extent, and its taste characteristics are worse than Stevia A, which is moderately delicious and has less aftertaste. It is the natural sweetener closest to sugar. But when the concentration is high, it will have a strange smell.