Black coffee can also promote cardiovascular circulation. For women, black coffee also has a cosmetic effect. Drinking it often can make you radiant and radiant.
Black coffee has always been called "the messenger of health", and its effects on health mainly include:
1, refreshing: caffeine stimulates the central nervous system, which can make the mind clearer, have rich thinking ability, pay attention to concentration and improve work efficiency;
2, strong bones and muscles, waist and knees: caffeine can make muscles contract freely, which can improve motor function.
3, appetizing digestion: caffeine stimulates gastrointestinal secretion of gastric acid, can promote intestinal peristalsis, help digestion, prevent gastroptosis, and has a rapid laxative effect.
4, diuresis: caffeine can promote renal function, discharge excess sodium ions in the body, increase urination, improve abdominal distension and edema.
5. Promoting blood circulation and removing blood stasis: Linoleic acid contained in coffee has the functions of hemolysis, preventing thrombosis, enhancing vasoconstriction, relieving migraine and reducing the probability of stroke.
6, Pingfei Dingchuan: Caffeine will inhibit parasympathetic nerves and reduce asthma attacks.
7. Dehumidification and deodorization: Caffeine contains tannin, which has a strong adsorption capacity for taste.
8, weight loss effect: drink coffee to lose weight, the best time to take is 30 minutes after lunch to 1 hour and before going to work, taste a cup of rich sugar-free black coffee, with walking, can promote fat burning.
9. Black coffee can effectively improve low blood pressure.
Extended data:
Smell:
Black coffee emphasizes the aroma of coffee itself. Aroma is the life of coffee quality, which can best express the making process and baking technology of coffee. The climate, variety, refining treatment, harvesting, storage and baking technology of the consuming country are all conditions that determine the aroma of coffee beans.
Bitterness is the basic taste of black coffee, and its strength and texture are different. Raw beans only contain a very small amount of bitter ingredients, and then the most symbolic bitter taste of coffee is produced by caramelization and carbonization of sugar, starch and fiber caused by baking.
Black coffee also has a sour taste. Proper heating will produce moderate acidity, which will make coffee taste better and make people feel deeper. The sweetness of black coffee is closely related to the bitterness, so refreshing and superior black coffee tastes sweet.
Raw materials:
Coffee beans are the raw material of black coffee. There are hundreds of kinds of coffee beans, and the price varies according to the variety, origin and grade. We are familiar with Yunnan coffee, Blue Mountain, Mantening, Huju, Brazil and charcoal, which can be bought in many supermarkets, and most of them are baked beans.
Due to different producing areas, the characteristics of coffee beans are different, some of which are darker in color, higher in baking degree and stronger in taste; Some are lighter in color and slightly lighter in taste. Experts choose coffee, mostly by grabbing a handful of coffee beans to see whether the color of each bean is consistent and whether the particle size and shape are similar, so as to avoid buying inferior products disguised as mixed beans.
In addition, if the baked beans are oily, it means that they have gone bad, not only the mellow degree is reduced, but also the astringency and sour taste will appear.
Baidu encyclopedia-black coffee