Q & A for beginners on beans how to judge whether coffee beans are fresh? Introduction to Coffee beans

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Hand-run entry coffee beans

Everyone likes to drink freshly roasted, freshly ground, freshly brewed coffee, because fresh coffee has a stronger flavor and a richer flavor.

When the coffee has just been picked and processed, the green raw coffee beans contain the most primitive and fullest flavors of coffee, but these flavors and aromas cannot be released without baking. It is the magical process of baking that gives coffee charming aromas of chocolate, caramel, flowers and fruit.

Once coffee beans enter the high-temperature roaster, there will be a series of wonderful chemical reactions among minerals, carbohydrates, acids, proteins, oils, water and caffeine. Finally, it brings us an irresistible strong aroma and mellow flavor.

● but unfortunately, like other organic products, coffee goes bad very quickly. Once roasted coffee beans are exposed to the air, their aroma and flavor will slowly lose, which is why most roasters recommend buying freshly roasted coffee beans, because only fresh coffee can give you the best coffee experience.

But as ordinary consumers, how on earth should we judge whether the coffee is fresh?

Today, the editor brings you three tips for judging the freshness of entry-level coffee beans.

● 1

Whether the appearance is shiny or not

Coffee is rich in oils, acids and other organic chemicals, which are collectively referred to as "soluble substances", which bring incomparably rich flavor and aroma to coffee.

During the roasting process of coffee, the high temperature will evaporate the moisture in the beans, thus bringing out the aromatic substances wrapped in them, which will attach to the surface of the coffee beans in the form of oil. The longer you are exposed to the air, the more the oil will volatilize and the more glossy the coffee beans will be.

Although the amount of oil produced by different coffee beans is different, the gloss of coffee beans can still be one of the important bases for us to judge whether they are fresh or not. Freshly roasted coffee beans should not be dull and gray.

Decaf coffee will show a matte color because of its special treatment.

● 2

Does the bag have a single air outlet?

After roasting, as soon as the coffee beans cool, they release large amounts of carbon dioxide, a process that lasts for days or weeks. Carbon dioxide is released very quickly in the first few days of baking, so people need to use bags with individual vents to pack coffee, so that the carbon dioxide can be discharged smoothly, otherwise the bags will crack.

If you find that there are no vents in the package, it is possible that it is not filled with freshly roasted coffee.

● 3

Test freshness with plastic bags

If you are buying unpackaged bulk coffee, put the beans in a sealable plastic bag and drain the air out overnight.

If the coffee is fresh, the plastic bag will be filled with carbon dioxide and become bulging the next day.

If the plastic bag is still shrivelled if it is not fresh enough, it is a pity that what you are buying is not freshly roasted coffee.

● entry Coffee Bean Brand recommendation

The entry-level coffee beans of Qianjie Coffee roasting: Yega Chuefei Coffee, Panamanian Flower Butterfly Coffee, Indonesian Manning Coffee and so on are fully guaranteed in terms of brand and quality. And more importantly, the performance-to-price ratio is extremely high, a pack of half a pound 227 grams, the price is only 80-90 yuan. According to the calculation of 15 grams of powder per cup of hand-brewed coffee, 15 cups of coffee can be made in a bag, and each cup of coffee costs only about 6 yuan, which is very cost-effective for coffee shops to sell dozens of yuan a cup.

Qianjie coffee: Guangzhou bakery, the store is small but a variety of beans, you can find a variety of unknown beans, but also provide online store services. Https://shop104210103.taobao.com