Coffee is a perennial evergreen shrub or small tree, which is a horticultural crop. Coffee beans have the characteristics of fast growth, high yield, high value, and wide sales.
The most ideal planting conditions for coffee trees are: temperature between 15 and 25 ° C, and the rainfall throughout the year must reach 1500 ~ 2000 mm. Of course, in addition to rainfall and temperature, the growth of coffee trees also has fertile soil.
In addition, although sunlight is an indispensable element of coffee growth and results, too strong sunshine will inhibit the growth of coffee trees. Therefore, many coffee producing areas are usually planted with planting trees to cover the sun for coffee trees.
The taste of coffee beans is inseparable from the altitude, climate, growth conditions and treatment methods of the production place. The coffee beans produced in different origin are different.
For example, coffee beans in South America generally have a sweet taste, and it will have a caramel flavor and slightly sour. African coffee is mostly characterized by strong fruit flavor and mellow taste. Asian coffee beans have a strong and heavy taste.
Many people put the unpacking coffee beans in the refrigerator to store it.
Coffee is afraid of moisture, oxygen, light and heat. The coffee beans stored in the refrigerator will produce condensate due to the low temperature, and it is easy to absorb the flavor of the refrigerator to affect the flavor of the coffee.
The remaining coffee beans can be sealed in coffee bags or seal tanks, and placed in a cool and dry place.
General foods will have a shelf life, as well as coffee beans.
The shelf life of coffee beans is usually between 12 and 18 months.
After the coffee beans are seal, it is recommended to drink it within one month. Because the taste of coffee beans will change over time. The more fresh coffee beans, the better the coffee taste.
The nutritional value of coffee is actually very high, mainly because coffee beans are rich in nutrients, so drinking coffee has a lot of effects. Coffee nicotinic acid contains vitamin B, and there are free fatty acids, caffeine, tannic acid, etc.
Drinking coffee can prevent gallstones. Coffee can stimulate gallbladder shrinkage and reduce cholesterol.
The latest researchers in Harvard University in the United States have found that men who drink two to three cups of coffee a day have a chance of gallstones less than 40%.
Coffee can eliminate sleepiness and refresh the brain. Because coffee contains a large amount of caffeine, this is a stimulant that can stimulate the central nervous, heart and other organs and make it in a more excited state to alleviate fatigue and eliminate sleepiness.
However, it is recommended not to drink coffee after dinner, otherwise it may cause continuous excitement of nerves and cause insomnia.
But we can't take too much coffee every day. Because the caffeine that the human body should consume every day is limited. Excessive intake may cause continuous nerve excitement and cause symptoms such as insomnia and dizziness.
Long-term drinking high concentration coffee may also stimulate gastric acid secretion, leading to gastrointestinal discomfort and higher cholesterol.
At the same time, many coffee add more sugar, and long -term drinking such coffee can easily cause blood sugar to rise. Therefore, no matter how much you like to drink coffee, be careful not to drink too much.