If the sweet potato grows purple buds, it is recommended not to eat. After the sprouting of sweet potato, the nutritional value has been reduced, not suitable for consumption. In addition, the sprouted sweet potato is not as sweet as the intact sweet potato, eat the texture is relatively soft, no elasticity.

Sweet potato, also known as sweet storage, sweet potato, Zhu yam, golden potato, Fan Ru, red yam, jade pillow potatoes, yams, sweet potato, sweet potato, sweet potato, sweet potatoes, sweet potatoes, sweet potatoes, white potatoes, Goose, Moe's sweet potato and so on.

Sweet potatoes are native to South America and the Greater and Lesser Antilles, and are widely cultivated in tropical and subtropical areas around the world, and are commonly cultivated in most areas of China.

Sweet potato is not only a high-yield and adaptable food crops, or food processing, starch and alcohol manufacturing industry is an important raw material.