Chocolate requires a 15% concentration of chocolate liquor. European rules specify a minimum of 35% cocoa solids. A higher amount of cocoa solids indicates more bitterness. Semisweet chocolate is a dark chocolate with a low sugar content. Bittersweet chocolate is chocolate liquor to which some sugar (typically a third), more cocoa butter and vanilla are added. It has less sugar and more liquor than semisweet chocolate, but the two are interchangeable in baking. It is also known to last for two years if stored properly. , there is no high-quality evidence that dark chocolate affects blood pressure significantly or provides other
Chocolate milk that milk was an effective rehydration drink. A November 2009 study conducted by scientists in Barcelona, Spain suggests that regularly consuming skimmed milk with cocoa rich in flavonoids may reduce inflammation and slow or prevent the development of atherosclerosis. However, the study notes that its effects are not as pronounced as seen in consumption of red wine. A study published in 2009 compared chocolate milk to a commercial recovery beverage (matched for carbohydrate and protein content) administered to cyclists after intense workouts. The researchers found no difference in post-workout plasma creatine kinase levels and muscle soreness, nor in cycling time