1, lotus seeds need to be boiled in boiling water for more than 30 minutes before they can be eaten. Because the density of lotus seeds is relatively large, it is difficult to cook, usually after 30 minutes. If you eat undercooked lotus seeds, you may have adverse reactions such as abdominal pain and bloating. Lotus seed itself has rich nutritional value. At the same time, before eating lotus seed, it is necessary to know its function, efficacy, taboos and so on.

2. Nutritional value: Lotus seeds are mild and sweet, rich in protein, carbohydrates, vitamins and trace elements such as calcium, iron and zinc. There are also many water-soluble polysaccharides containing flavonoids, alkaloids and superoxide dismutase, which belong to dual-purpose food ingredients and have high edible and medicinal value.

3. Function and efficacy: Lotus seeds have the functions of strengthening the spleen, stopping diarrhea, stopping leukorrhagia, tonifying the kidney and astringent essence, nourishing the heart and calming the nerves. It is often used to treat insomnia, insomnia, forgetfulness, vexation and thirst, low back pain, soft feet, hearing loss, nocturnal emission and other symptoms. Patients can make longan soup with lotus seeds, or take them out, grind them into powder, mix them into porridge or take them directly with water, which is helpful for health care.

4, taboo: Lotus seeds can not be eaten in excess, because eating too many lotus seeds is easy to damage the gastrointestinal tract, which may lead to adverse reactions such as nausea, vomiting and loss of appetite. In addition, it can't be eaten with cold foods such as crabs and turtles, which will aggravate the cold in the body and affect the normal blood flow rate of the body. Patients with chronic spleen and stomach weakness and frequent diarrhea should not eat lotus seeds to avoid aggravating diarrhea symptoms.