Effects of humidity, temperature and soil of planting environment on flavor quality of coffee beans
What is the effect of soil and moisture on the flavor of coffee?
When we tested the coffee, we found that there is a phenomenon that the coffee grown in volcanic rock is the most balanced in terms of acidity, bitterness, mellow and flavor, so it is rich in taste.
Some studies have found that this is because volcanic rocks contain high concentrations of sulfur and sulfides, which are necessary for the synthesis of some aromatics.
As a result, coffee grown in volcanic soil usually has a strong flavor. Potassium in the soil also increases the alcohol thickness of coffee.
However, it is interesting that coffee grown in non-volcanic soil has developed a unique and distinctive flavor because it has less sulfur and potassium, resulting in a more unbalanced overall flavor.
And what effect does humidity have on coffee? The study found that coffee in high-humidity producing areas will have a strong fruit flavor.
For example, the Koban producing area of Guatemala has a tropical rain forest climate, and its humidity is the highest among the eight major producing areas of Guatemala.
On the other hand, the aroma of coffee and fruit in Koban is also significantly higher than that in other producing areas, but the alcohol thickness is slightly lower.
Because of the lack of sulfur and potassium in the volcanic soil.
It has been reported that high humidity increases the malic acid of coffee pulp, and when the aroma components in the pulp are absorbed by coffee beans, they become the fruit flavor of coffee.
In addition, high humidity is conducive to the production of sugar, fruits with high sugar content? Many grow in areas with high humidity, but if the humidity is high and the temperature is high, the fruit is prone to early ripening and decay.
So if coffee is grown in areas with high humidity and no high temperature, it will give birth to coffee, and the flavor will be unique and charming.
The coffee producing areas of Guatemala enjoy this unique climatic condition because of the altitude, which leads to the production of high-quality coffee.
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