Purple sweet potato should not be eaten with persimmon. Purple sweet potato will lead to an increase in gastric acid secretion, while persimmon contains more tannic acid and other substances, which will react with gastric acid to form precipitation. Mild may cause gastrointestinal discomfort, and severe may cause gastrointestinal bleeding and gastric ulcer.

2. Don't eat purple potatoes with tomatoes.

Purple potato should not be eaten with tomatoes. This is because tomatoes contain a large number of acidic substances such as malic acid and citric acid, which easily make purple potatoes form substances that are difficult to digest and absorb in the stomach, and easily cause discomfort such as abdominal pain, diarrhea and indigestion.

3. Purple potatoes don't eat with crabs.

Purple potato should not be eaten with crabs. Purple potato is cold, crab is cold. People with spleen and stomach deficiency and cold should not eat purple potato and crab together, otherwise it will easily cause diarrhea. In addition, crabs are more likely to cause allergies, and people with allergies should also pay attention.

4. Don't eat purple potato with white wine.

Purple sweet potato should not be eaten with white wine. Purple sweet potato belongs to starch, and alcohol contained in liquor can easily react with it to produce toxic substances. In addition to white wine, it is best not to eat any alcoholic beverages containing purple potatoes.

5. Don't eat purple potato with too sweet food.

Purple potato should not be eaten with food that is too sweet. This is because purple potato has a high sugar content, and if it is eaten with too sweet food, it will increase the possibility of reflux. Therefore, it is best not to eat purple potato with too sweet food.

Extended data:

Morphological characteristics of purple sweet potato: twining vines; Wild tubers are mostly cylindrical or rod-shaped, and the cultivated morphology changes greatly, such as palm, rod or cone, with brown or black surface and white, yellow or purple cross section. The base of the stem is quadrangular with wings; Reiyoshi leaves with different shapes and sizes are often alternate in the axils, with opposite leaves above the middle, oval heart-shaped to heart-shaped oblong leaves, tail-shaped at the top, wide heart-shaped at the base and hairless on both sides; Sometimes after drying, the leaf edge folds inward.

Male flowers are light green, forming narrow panicles. Female flowers are simple spikes. The capsule has 3 wings, the top is slightly concave, the base is obtuse, and the wings are ovoid, 2.0 ~ 2.5 cm long and 1.5 ~ 2.0 cm wide; The seeds are flat and inserted in the center of each cavity of the fruit, surrounded by thin film wings.

References:

Purple potato-Baidu encyclopedia