(1) Jujube contains trace elements such as protein, amino acids, sugars, organic acids, vitamin A, vitamin B2, vitamin C, calcium, phosphorus, potassium, iron, magnesium and aluminum, and a large number of adenosine cyclophosphate.

(2) The sugar content of fresh jujube is about 20% ~ 36%, and the sugar content of dried jujube is as high as 55% ~ 80%, which is higher than that of beet and sugarcane. 100g fresh jujube contains protein 12g, and jujube contains protein 45g. 100 grams of fresh jujube contains 380 ~ 600 mg of vitamin, so it has the reputation of "live vitamin C pill"; The content of vitamin C is ten times higher than that of lemon. Vitamin C can improve human capillaries, and it is also beneficial to patients with hypertension and cardiovascular diseases.

2. The disadvantages of eating big red dates:

(1) Eating too much red dates can lead to abdominal distension, so people with excessive moisture or abdominal distension should not eat them.

(2) Excessive consumption of red dates will affect the digestive system and cause constipation.

(3) Jujube has a high sugar content, so diabetics should not eat too much jujube or snacks made of jujube to avoid blood sugar rising.

(4) When women have edema during menstrual period, eating red dates will lead to phlegm dampness and edema will be more serious.

(5) Excessive consumption of fresh red dates can easily cause diarrhea and damage the spleen. Therefore, people with colds, fever, abdominal distension and qi stagnation caused by exogenous wind and heat should not eat fresh red dates.

(6) People with damp heat and yellow tongue coating should not eat red dates.

(7) Patients with dental caries, toothache and phlegm-heat cough should not eat red dates.