Lekangguo is made by extruding corn or rice with steel sleeve at high speed and high torque. Some sugar and flavoring agents can be added in the production process. Generally, only sodium cyclamate common in drinks is put. It's simple. It's all corn coarse grains.

Extended data

Corn Lekangguo is generally made of corn, and the finished product is light yellow, while rice Lekangguo is white and crisp. Le Kang fruit can be directly processed from raw materials into finished products by machines, and the yield of corn in the north and rice in the south is high, so Le Kang fruit was one of the snacks popular among children in the 1980s and 1990s.

References:

Baidu Encyclopedia-Le Kang Fruit