Coffee brewed like that to start a new day

Brewing a cup of coffee in the morning to start a new day has become a habit for many people. What does coffee taste like? Some people think coffee is bitter, others think it is a blend of acidity and bitterness, and there are some who think it is sweet. In response to the flavor of coffee, why is there such a big difference in personal feelings? Therefore, the Shanghai CDC shares tips on coffee.

Coffee flavor varies by roasting level. The wireless vacuum cleaner manufacturer degree of roasting of raw beans is divided into light, medium and deep. Lightly roasted coffee beans have a shorter roasting time and generally higher acid value; medium roasted coffee beans are slightly sweeter than lightly roasted coffee, and their sweetness and acid value are more balanced; deeply roasted coffee beans generally have a stronger flavor and more bitter taste.

Temperature affects the intensity of coffee flavor performance. With hot coffee, the volatile aromatics are more active and produce a strong aroma, which is why many people love coffee. Coffee tastes worse when cold, and if milk or sugar is added, it is easier for bacteria to grow, so it is recommended to drink coffee now, and fine coffee is more important to drink within 5-20 minutes.

The amount of natural substances extracted from the coffee powder into the solution (coffee liquid) suffers from the temperature of the coffee liquid and the impact of placement time. The smaller the temperature of the coffee solution, the longer the placement time at low temperature, the greater the acidic substances dissolved; the higher the temperature of the coffee solution, the longer the placement time at high temperature, the greater the bitter substances dissolved.

The length of time the coffee beans are left will also affect the coffee flavor, which decreases as the coffee beans are left for longer periods of time. Just roasted soy beans, the process of placing slowly release carbon dioxide, volatile substances and be taken away with, so that the pleasant aroma also slowly disappear, this coffee capsule time there will be coffee deterioration.

At the same time, the Shanghai CDC tips, 18g of coffee powder to make a cup of espresso liquid, the average value contains about 60 ~ 80mg of caffeine. And the safe daily intake of caffeine is 400mg or less. Taking into account the Merad products produced by deep roasted coffee beans and the customary preferences of coffee drinking around the world, it is proposed that the daily intake of coffee per person should not exceed 3 cups.