Coffee is recognized as a healthy drink, but drinking coffee must be done reasonably and scientifically to be beneficial to health. It must be done in the right amount at the right time. Drinking a cup of coffee every day is not harmful to the body.
1. Caffeine content
The caffeine content in a cup of coffee (150 ml) is generally:?
——Ground coffee: about 80-90 ml?
——Instant coffee: about 60 ml?
Drinking 100-200 mg of caffeine every day is enough to refresh yourself and is harmless to the body.
2. When is the time to drink coffee?
It is best to drink coffee after breakfast and lunch, because this can promote gastrointestinal motility, help digestion, and can break down the high calories eaten. , high-fat food will not cause gastrointestinal irritation like drinking coffee on an empty stomach. It is best not to drink coffee after dinner, as it may affect your sleep. If you try to stay up all night by drinking coffee, you may unknowingly drink too much, which is bad for your health. ?
3. Benefits of coffee
(1) Coffee contains certain nutrients. The niacin in coffee contains vitamin B, and the content is higher in roasted coffee beans. And there are free fatty acids, caffeine, tannins, etc.
(2) Coffee is good for the skin. Coffee can promote metabolic function, activate digestive organs, and is very effective in treating constipation. Taking a bath with coffee powder is a kind of warm therapy and has the effect of losing weight. Drinking a cup of coffee after a meal can also aid digestion.
(3) Coffee has the function of relieving hangover. Drinking coffee after drinking alcohol will rapidly oxidize acetaldehyde converted from alcohol, decompose it into water and carbon dioxide and be excreted from the body.
(4) Coffee can eliminate fatigue. To eliminate fatigue, it is necessary to supplement nutrition, rest and sleep, and promote metabolic function, and coffee has these functions.
(5) Three cups of coffee a day can prevent gallstones. Caffeinated coffee can stimulate the contraction of the gallbladder and reduce the cholesterol in the bile that easily forms gallstones. Recently, researchers from Harvard University in the United States found that men who drink two to three cups of coffee a day have a lower than 40% chance of developing gallstones.
(6) Regular drinking of coffee can prevent radiation damage. Radiation damage, especially radiation from electrical appliances, has become a more prominent form of pollution. Indian atomic researchers reached this conclusion in experiments on mice and said it can be applied to humans.
(7) The health and medical functions of coffee. Coffee has the functions of antioxidant and heart protection, strengthening muscles and bones, benefiting the waist and knees, stimulating appetite and promoting food intake, eliminating cellulite and accumulation, promoting orifices and dehumidification, activating blood circulation and removing blood stasis, calming wind and relieving spasm.
(8) The influence of coffee on mood. Experiments show that the average person absorbs 300 mg of caffeine a day (about 3 cups of brewed coffee), which will have a good impact on a person's alertness and mood.
3. Precautions for drinking coffee
(1) Choose the right drinking time: The best time to drink coffee is in the morning or noon. The tannins in coffee will make Calcium absorption is reduced. Therefore, it is best to drink tea and coffee between meals; do not drink coffee before going to bed.
(2) Remember not to drink coffee on an empty stomach. Drinking coffee on an empty stomach can irritate the gastrointestinal tract, damage the liver, and caffeine enters the bloodstream and is harmful to health.
(3) Remember that coffee should not be taken with tea. The tannins in tea and coffee can reduce iron absorption by 75%. It should be taken with warm water; the tannic acid in tea and coffee will reduce calcium absorption.
(4) Children should not drink coffee. Caffeine can excite children's central nervous system, interfere with children's memory, and cause ADHD in children.