The quality of coffee beans how to tell the quality of coffee beans

Nowadays, people are pursuing higher and higher quality, and drinking coffee is also pursuing freshly ground coffee, so many people buy coffee beans for grinding themselves. How to judge the quality of coffee beans? Let's take a look at it together with Xiaobian below.

Distinguish between good and bad coffee beans

Good coffee beans: neat in shape, bright in color, roasted with a single fry. After brewing, it is fragrant and mellow, with sufficient stamina.

Bad coffee beans: not uniform in shape, and incomplete individual. After brewing, it is light and fragrant, not sweet enough.

◆ The secret of coffee bean freshness identification

Nose smell: fresh coffee beans smell fragrant, otherwise tasteless or bad smell.

See: good coffee beans are complete in shape and rich in size. Otherwise, the shape is incomplete.

Hand Press: Fresh coffee beans are crispy when pressed, and there is fragrance floating out when cracked.

Color: dark with black coffee beans, brewed coffee with bitter taste; yellow coffee beans, brewed coffee with sour.

◆ Coffee Bean Selection

How to judge the quality of beans from their appearance?

Can be from its color---whether the luster is good, the color is uniform and colorless; smell its fragrance---whether it is fragrant; test the crispness--put it into the mouth and bite, whether it is crisp and sound, taste good, and finally see if the bean shape is full and heavy. Because there is no good coffee beans/powder is not able to make a mellow coffee. Secondly, pay attention to whether the packaging of coffee beans is intact, if the packaging bag has air penetration, then coffee beans are easily exposed to air and make beans absorb moisture, affecting the quality of coffee beans.

1 Appearance judgment

Delicious coffee can be known from the shape of the roasted coffee beans, as shown in the picture. Of course, there can be no bad coffee beans mixed in, more attention should be paid to, normal beans will also be mixed into high-quality coffee beans and cause obstacles, brewing delicious coffee fried roast beans, first of all, beans must be big fat, and uniform, followed by consistent size and no stains. These are the main points of visual discrimination, if you look carefully, should not be difficult to distinguish.

Fermented beans: coffee beans that fall into the soil before harvest. The sour smell will have a great impact on the taste of coffee.

Dead beans: also known as immature beans, or affected by climate and other factors, development is not sound, fried after baking will produce fried spots, so that coffee has a green taste.

Black beans: Fermented beans, putrefied, blackened coffee beans. Because it is black, it can be distinguished from normal coffee beans at a glance.

Coffee beans infested with worms.

Incomplete beans: may be stuck during operation, or handling carelessly, resulting in incomplete coffee beans. It will cause fried spots when fried, and will produce bitter and astringent taste.

Others: beans with thin skin, stunted beans, beans that do not completely produce sour when dried, shell beans with only shells, etc.

2 Judgement during grinding

Fully roast the coffee beans after extracting water, in order to brew delicious coffee, this coffee beans can be judged when grinding. Good quality coffee beans in the grinding will be gently issued salad salad sound, gently shake the hand, the original flavor of coffee is overflowing. Bad coffee beans will have a squeaky sound. There's a kind of a stuck feeling when grinding.

3 Judgment at the time of death

The easiest way to brew delicious coffee is to sift through a filter paper. And in brewing, there is also a way to judge whether coffee is delicious, that is, when in hot water, whether the powder bulges, and when the coffee is fully roasted and extracted, there will be beautiful and detailed bubbles bulges.

4 Judgment after death

Coffee may vary in concentration depending on the degree of roasting and the method of extraction, but the characteristic of delicious coffee is that the coffee solution extracted from the brewing under the same conditions is clear. The spoon can be clearly seen through the fluid in the image below, while it is almost invisible in the stone image. A cup alone is difficult to distinguish, but if compared, coffee is delicious can be clear, a cup of delicious coffee, even after 30 minutes, is still clear color, and taste will not change.

5 Judging from the taste and aroma of coffee

Delicious coffee acidity like citrus fruit refreshing, without strong acidity. Bitterness is mild bitterness. There is no bitter taste like smoke or scorch.

6 Judging from the quality of raw beans

The shape, grind, withdrawal, post-withdrawal, taste, aroma stages were discussed as key to determining whether coffee tastes good or not, but this is all for fully roasted coffee beans. Green beans before roasting, generally known as "Green", if the quality of raw beans is poor, no matter how hard to roast can not brew a beautiful coffee. Green beans are usually exported two months after harvest, and this year's crop is called New Crop. A year later it is called Past Crop. Coffee beans are crops, and freshness naturally affects their taste. Fresh raw beans, you can enjoy the distinct characteristics of its various varieties and have a vibrant flavor. Take rice for example, if it is left for a long time, its original flavor will fade with the loss of water. Fresh raw beans, showing a bright green color, can be easily distinguished. Except for freshness. No matter what kind of variety, should also try to choose larger particles and no stain of raw beans.