Safe intake of caffeine Home-brewed Coffee Bean Market
Coffee is an indispensable drink for Westerners in life, whether it is waking up in the morning to awaken the sleeping soul, refreshing at work or the leisure of afternoon tea.
Caffeine is a natural ingredient found in the leaves, seeds or flesh of more than 60 plants, such as coffee beans, cocoa beans, cola beans and tea, while the most common food sources are coffee, tea, chocolate and cool drinks (such as cola, tea-containing drinks). Caffeine has a mild central nervous stimulation and can reduce fatigue, enhance memory, reasoning and intellectual flexibility. As long as a small amount of 32 milligrams (about 1 cup of cola) can improve auditory and visual reaction time, but everyone's sensitivity to caffeine varies greatly, and some people think that increasing the amount of flexible caffeine may make some people feel uncomfortable, and the elderly may be more sensitive to the effects of caffeine.
For the safe daily intake of caffeine for adults, experts recommend that about 300 milligrams per day is moderate, equivalent to about 3 cups of coffee, and that the frequency interval should be more than 3 to 4 hours.
However, everyone's sensitivity to caffeine is different, and its influencing factors include consumption, frequency, personal metabolic rate, body weight and physiological status, so the so-called appropriate amount should depend on the individual's response to caffeine.
Drinking the right amount of coffee is safe, but should pay attention to the intake of adequate calcium and balanced nutrition, to avoid eating too many empty calories containing sugar, is the way of health care.
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How to determine the freshness of coffee beans
There are three steps: smell, look and peel. Smell: close the coffee beans to the nose, deeply smell, is it possible to clearly smell the aroma of coffee beans, if yes, on behalf of coffee beans fresh enough. On the contrary, if the aroma is weak, or if it has begun to appear greasy, it means that the coffee beans are completely stale. Coffee beans like this, no matter how much effort you put into grinding
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It is best to finish coffee beans and brew coffee in a short time.
Every afternoon, make a cup of coffee, the strong fragrance can not only refresh the mind, but also relieve stress and relax. Many foreign studies have also shown that coffee has a certain effect in the treatment and prevention of diseases. Although there are many benefits of drinking coffee, if you don't pay attention to the details, it will make a loophole for health risks. The BBC recently published an article reminding that coffee should be made.
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