The calorie (calculated by 100g edible part) of dark chocolate of Dauphine is 569 calories (2,380 kilojoules), which is higher among similar foods.

The calories per100g of Dove-alcohol dark chocolate account for about 25% of the total daily calories recommended by China Nutrition Society for ordinary adults to keep healthy.

A new study shows that if women drink 2 tablespoons of cocoa powder rich in flavonoids every day for 12 weeks, their skin will obviously become smoother, there will be more water on their skin and blood circulation will be smoother. Eating 1 ounce of dark chocolate rich in flavonoids every day can also achieve the same skin beautifying effect. Dark chocolate has a high content of polyphenols, a natural antioxidant that protects cardiovascular system, and has an anti-inflammatory effect similar to aspirin. At a certain concentration, it can reduce the activation of platelets, transfer the deposition of free radicals on the blood vessel wall, protect the cardiovascular system and reduce the incidence of cardiovascular diseases to a certain extent. Caffeine contained in chocolate can suppress appetite and promote human metabolism. Moderate intake of chocolate can produce satiety and effectively control appetite. Among all chocolates, dark chocolate has the lowest sugar content and fat content, but its caffeine content is higher than milk chocolate. Regulating the cellulose in dark chocolate in digestive system can promote intestinal peristalsis and help gastrointestinal digestion, while isoflavones can inhibit the secretion of chloride ions in intestinal tract and relieve diarrhea symptoms. Regulating immune function dark chocolate can meet the human body's demand for various nutrients. At the same time, flavonoids in dark chocolate also have the function of regulating immunity, which can protect immune system from free radicals. Polyphenols also have the function of regulating various immune cells in human body. Other effects of lowering blood pressure-6 grams of volunteers every day, at the beginning of the experiment, the average blood pressure is about 86 mm Hg/147 mm Hg. After that, some volunteers only ate 6 grams of dark chocolate every day-German "Sports Express" brand chocolate was divided into 16 pieces, and they only ate a small piece. Other volunteers, as the control group, ate the same amount of white chocolate every day. After eating 18 weeks, the researchers found that the systolic and diastolic blood pressure in the dark chocolate group decreased by nearly 3 mm Hg on average, while the blood pressure in the white chocolate group did not change. Take care-30 calories a day One of people's doubts about eating dark chocolate to lower blood pressure is that its cocoa content is high, which easily leads to obesity. To this end, the research team only asked volunteers to eat 30 calories of dark chocolate every day. At the end of the experiment, the blood pressure of the dark chocolate group decreased, but the weight did not increase. Previous studies have shown that cocoa in dark chocolate contains flavanol, which has a blood thinning effect similar to aspirin. Many vegetables, green tea and red wine contain this substance, which can increase nitric oxide in blood and improve vascular function. Anti-aging Because dark chocolate has a strong antioxidant effect, it prevents the human body from aging rapidly. Experiments have proved that the life expectancy of the elderly who often eat dark chocolate in moderation is significantly longer than that of the elderly who don't eat dark chocolate.