The way to check whether the coffee beans are fresh is very simple, generally the coffee beans have shallow roasting and deep roasting methods, and the state of the coffee beans of the two roasting methods is different when they are fresh.
Light roasted coffee beans are lighter in color, just out of the pot fresh shallow roasted coffee bean surface has no oil, after a period of time the coffee bean surface began to oil, shallow roasted coffee out of the oil has indicated that it needs to be drunk as soon as possible.
Deep roasted coffee beans are darker in color, fresh and deeply roasted coffee beans have oil on the surface, after a period of time, the oil on the surface of the coffee beans is sucked into the inside of the beans, and the surface of the deeply roasted coffee beans that are not fresh has no oil.
Smell: Fresh coffee beans smell fragrant, otherwise they are tasteless or smell bad.
Look: Good coffee The beans are fully shaped and plump. On the contrary, the shape is mutilated.
Pressure: Fresh coffee beans are pressed crisp and crisp, and when they are cracked, the aroma wafts out.
Color: Generally dark and black coffee beans, the brewed coffee has a bitter taste. The yellower color of the coffee beans, the brewed coffee with sour taste, of course, is not completely like this, according to the bean variety there are also differences.
Good coffee beans: neat shape and bright color.
Bad coffee beans: different shapes and incomplete individuals. After brewing, it is light and fragrant, not mellow enough.
Grinding: Fresh coffee beans are easy to adhere to the outlet of the grinder because of their strong static electricity and grease.
Brewing: Fresh coffee beans are rich in foam when brewed, and the foam will layer with the coffee grounds.
How do I pick coffee beans?
Step 1: Choose fresh and delicious beans
Choosing a café or shop where the coffee beans will be properly stored, it is not advisable to put the coffee beans in the sun or in dirty containers, the correct way is to keep them sealed in the shade.
Step 2: After the coffee beans are roasted, it is best to use them within a week
When buying fresh beans that have just come out, the principle of buying a small amount is the best policy. Otherwise, if you buy too much at a time, you will lose your original taste after a long time, and if you count in grams, buying 250 grams at a time is a regular and affordable amount.
Step 3: Properly preserve the coffee beans without losing flavor
Baked beans can be stored for a maximum of about 2-3 weeks at room temperature, but they should be kept as close to air as possible and placed in an airtight container. If more than 3 weeks, it is best to completely seal it, put it in the refrigerator for preservation, and use the sealed can to save not only the quality decline rate is less than half of the usual, if it can be guaranteed that you can drink delicious coffee every time, but it should be noted that after each time it is taken out, it is necessary to wait for the coffee to reach room temperature and then open the sealed can, otherwise it is easier to absorb water and deteriorate because of the temperature difference.
