What's the point of eating sweet potatoes for thousands of years?

What is the significance of eating sweet potatoes for thousands of years?

Wencheng county has the custom of eating sweet potatoes on Millennium Day. Locals believe that eating sweet potatoes in the Millennium solar term can prevent acid reflux from having more children after eating shredded sweet potatoes all year round. Therefore, customs gradually formed.

There is a proverb, "It's cool at night, it's cool at night". Millennium is a typical autumn climate, and autumn wind makes the water in the air cool and dry. This dry climate is called "autumn dryness" by Chinese medicine, and many people will have symptoms such as dry mouth, dry throat, dry eyes and dry skin. The climate of this Millennium is characterized by dryness. Therefore, the daily diet in autumn should be based on nourishing yin, moistening lung and preventing dryness. Sweet potato has the effects of preventing cancer, relaxing bowels and losing weight. Eating sweet potatoes regularly can prolong life and is considered as the best food on the table.

There are many ways to prevent autumn dryness, such as eating some foods rich in vitamins, or choosing some Chinese medicines with good effects on relieving autumn dryness, such as ginseng, adenophora, American ginseng, lily, almond, Fritillaria cirrhosa and so on. For the general public, simple and practical medicated diet and dietotherapy seem to be more acceptable.

Precautions for eating sweet potatoes:

1, not eaten raw. The starch in raw sweet potatoes is difficult to digest and must be steamed or roasted. Advocate cooking methods and use less frying.

2, sweet potato porridge ate, the stomach does not flatulence. Sweet potato easily produces a large amount of carbon dioxide gas in the gastrointestinal tract. Eating too much will make people bloat and burp. Sweet potato contains a lot of sugar, which will be fermented and accumulated in the intestine, and it will also cause discomfort such as abdominal distension. When eating sweet potatoes, it is best not to drink water while eating, or add a small amount of sweet potatoes to rice porridge to relieve gastrointestinal discomfort.

3, sweet potatoes should be appropriate. Sweet potato contains an oxidase, which easily produces a large amount of carbon dioxide gas in human gastrointestinal tract. Eating too much sweet potato will make people bloat, burp and fart. Sweet potato has a high sugar content. Eating too much will produce a lot of stomach acid, which makes people feel heartbroken.

4. It is not advisable to eat sweet potatoes with black spots. The virus with black spots on sweet potato is not easy to be destroyed and killed by high temperature, and it is easy to cause poisoning, resulting in a series of poisoning symptoms such as fever, nausea, vomiting, diarrhea and even death.

5. Sweet potato should not be eaten with persimmon at the same time. The main ingredient is starch. After eating, it will produce a lot of fruit acid. If eaten with persimmon at the same time, fruit acid can condense with persimmon tannin and pectin to form gastrolith. If you eat too much, it should be at least five hours apart. If eaten at the same time, the sugar in sweet potato will ferment in the stomach, which will increase the secretion of gastric acid and precipitate and condense with tannin and pectin in persimmon to produce lumps. When the amount is serious, it can cause gastrointestinal bleeding or gastric ulcer. If you feel upset in the stomach, you must go to the hospital for gastroscopy to see if there is stomach bleeding or gastric ulcer.