There are many brands and manufacturers of coffee on the market. Here are some ways to recognize real coffee
Mass:
Coffee powder always has a lower density than other cereal powders and the volume (or mass) of 1 kg of coffee powder is always greater than that of roasted cereal powder.
Porosity of coffee powder:
Visually, pure coffee powder is very light, porous, loose and loose. The flour of other cereal grains is usually sticky, less flaking. If you have 1 bag of pure coffee and one bag of non-pure coffee, you open 2 bags, take 2 cups of water, scoop 2 tablespoons of powder from 2 bags into the water. Pure coffee powder is light, has a low density, so it tends to float to the top, while the powder of other grains has a higher density, so it sinks faster.
Moisture of coffee powder:
Pure coffee powder is less hydrated, not much moisture. Flour of other grains usually holds water and has a higher moisture content.
Color of coffee powder:
When roasted to the right temperature and time…the coffee powder is dark brown in color. (If roasted coffee beans have not reached the first explosion temperature and time, the powder will have a bright yellow color, sour taste, and strong smell). Popcorn seeds for filling in coffee are usually dark black
The smell of coffee powder:
If familiar, it is not difficult for you to recognize the very pleasant, attractive and very characteristic aroma of pure coffee powder. Corn and soybeans also have a slightly fishy smell, perceptively, if a little subtle, you can notice when smelling.
Know the status of pure coffee powder:
Cornstarch and roasted bean powder when encountering boiling water become pliable, sticky and flattened because grains always contain a lot of starch. Coffee is not a grain. In contrast, coffee is made up of cellulose polymers, which contain very little starch. The process of roasting coffee beans expands, creating air cavities inside, encountering boiling water, the air inside expands, making the coffee powder foam and causing the coffee powder to rise in the filter. This is very noticeable
The color of coffee water:
A pure and healthy cup of coffee is always brown in color from cockroach wings to dark brown, when you put ice in it, it will be amber brown, a very attractive clear brown color. In the sunlight, look at the sparkling light brown iced coffee
Consistency of coffee water:
Khi pha, nước của ly cà phê nguyên chất có độ sánh hầu như không đáng kể. Trái với nước của bột bắp rang hay bột đậu rang, vốn chứa rất nhiều tinh bột, nên rất sánh, rất đặc kẹo, thậm chí là sánh dẻo.
The taste of coffee:
Coffee, when roasted with enough time and reaching the right temperature, will give us a cup of coffee with a bitter taste mixed with a gentle sour taste, very delicate due to the element of acid components hidden behind the taste. bitterness in coffee beans.
Foam of coffee:
The coffee water itself, when whisked with sugar, also creates a nice light brown foam. If the foam is thin, has a rainbow of iridescence, fills the whole cup and takes a long time to melt, it looks pretty good, then it is definitely soap bubbles..
Source: thatgia.vn
