The shape of cassava is very much like a stick, a very long one, but the upper and lower ends are in an irregular rounded type, and its look is very much like the yam and huayama that we have seen. Cassava cannot be eaten raw.

Cassava is the Euphorbiaceae cassava plants, drought-resistant and barren, widely planted in more than 100 countries or regions in Africa, the Americas and Asia, is one of the three major yam crops, the third largest food crop in the hot zone, the world's sixth-largest food crop, known as "the king of starch", is the world's nearly 600 million people, but cassava can not be eaten raw. The cassava is the world's nearly 600 million people's rations, but cassava can not be eaten raw, because the wood raw cassava is toxic.

Additionally, cassava has excellent characteristics such as rough and easy to grow, easy to cultivate, high yield and four seasons can be harvested. With the development of cassava industry, cassava use gradually diversified, as feed, starch, fuel ethanol and other industrial raw materials.

The difference between cassava and sweet potato:

1, the height of cassava is about 1.5 to 3 meters, cassava stems contain latex, the appearance of the smooth more upright, cylindrical; sweet potato length of 0.7 to 7 meters, the length of the span of the larger, the surface has a hairy.

2, cassava stems are poisonous, must be soaked in water and cooked before eating; sweet potato can be eaten raw, can also be boiled or baked, etc.

3, cassava and rubber with the maple plant tubers are processed to become tapioca; sweet potato flour is also known as groundnut flour, which is derived from the common groundnut.

4, tapioca is mainly used to do feed and food additives, in Taiwan often use tapioca to make taro balls, with a very Q taste. Sweet potato flour is mainly used to make vermicelli, of course, there is also the production of feed, and its production of vermicelli also has a certain degree of elasticity, the taste is better than rice flour, the flavor is not as good as rice flour.