What are the black particles in sweet potato?

Sweet potato black spot virus.

This sweet potato with dark spots inside is not edible.

After sweet potato is infected by pathogenic microorganisms, it will produce black spots, which will not only invade the skin, but also invade the potato meat, and even produce toxic substances such as sweet potato ketone and sweet potato ketone alcohol. Experiments show that these two substances will cause great harm to the liver and lungs of animals, and even if the sweet potato is cooked, its toxicity will not be reduced. Therefore, when there are dark spots on the sweet potato that invade the sweet potato meat and rot and soften, it should be avoided.

Sweet potato is also called Ganchu, Sweet Potato, Bamboo Tree, Sweet Potato, Fanru, Dried Sweet Potato, Jade Pillow Potato, Sweet Potato, Sweet Potato, Yam, Sweet Potato, Sweet Potato, Goose, and Meng Sweet Potato. The underground part of millet has round, oval or spindle-shaped tuberous roots. The shape, skin color and flesh color of tuberous roots vary with varieties or soils.

Nutritional value of sweet potato

1. Sweet potato is rich in protein, starch, pectin, cellulose, amino acids, vitamins and various minerals. It is one of longevity food, and its sugar content reaches 15%-20%. Sweet potato not only has comprehensive nutrition, but also has little-known effects of preventing sub-health, such as losing weight, bodybuilding and anticancer.

2, sweet potato contains a lot of starch, which makes people feel full after eating, thus reducing food intake. Therefore, patients who lose weight can appropriately replace the staple food with sweet potatoes, which can achieve the effect of losing weight and slimming;

3. Sweet potato contains a lot of dietary fiber, carotene, vitamins, such as vitamin A, vitamin B, vitamin C, and trace elements such as potassium, iron and copper. Its nutritional value is relatively high, and it is called balanced food by nutritionists.