“ Enjoy delicious cups of coffee and take advantage of the benefits of coffee. So how do you know for sure that the coffee you are enjoying each morning is pure coffee?
How to distinguish pure coffee in the form of beans
Pure coffee beans, after being roasted, will not be greasy and sticky, natural and mild. If additives are used during the roasting process, the doped coffee beans will be greasy, sticky (signs of butter, cooking oil ...), strong smells mixed with butter ...
How to distinguish pure coffee in powder form
Pure coffee powder is very light, smooth, loose and loose. Pure coffee powder has a low density, so it tends to float to the top when added to water, while other cereal grains sink more quickly.
When roasting to the appropriate temperature and time, the coffee powder has a dark brown color (if the roasted coffee beans have not reached the temperature and time of the first explosion, the powder will have a bright yellow color with a sour taste and strong odor).
The popcorn seeds used to fill in coffee are usually dark black. So in the coffee making profession people simply call popcorn color.
Roasted and ground soybeans are dark brown, opalescent, completely different from the dark brown color of coffee powder. If you see flour in a bag that is dark brown, yellowish in volume, small in volume, but heavy handling is the percentage of beans in coffee.
How to identify pure coffee when brewed
When you pour 100 degree C of boiling water into the pure coffee filter, the coffee powder will immediately swell, bubbles strongly, even spill out the filter.
Coffee powder has impurities when meeting hot water: You pour boiling water and find that the powder does not swell, but flatten, fade and spread a strong aroma, you know that there is very little in the filter. the coffee. Because of cornstarch, roasted bean flour when meeting boiling water becomes sticky, sticky and flat
Recognize based on the characteristics of coffee water
In the sun, look at the iced coffee cup with shimmering light brown color.
Black water color when impurities: Contrary to the characteristic brown color of coffee, when there are impurities, depending on the amount of impurities will be more or less, but the color will also change equally. With a coffee cup that is pure black, opaque black, this is mostly the color of beans, popcorn seeds.
Recognize based on the comparison of coffee cups