Why not buy coffee powder? Can I eat coffee powder directly?

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How does the thickness of coffee powder affect the taste-common grinding thickness picture

There is a lot of knowledge in drinking good coffee at home, from choosing beans, brewing methods to coffee utensils. What kind of adjustment tools do you need at home? Why not buy coffee powder? Now is the time to answer 10 questions about coffee at home:

Q: there are many kinds of coffee brewing methods on the market. How should beginners choose?

Answer: there are four common ways to brew high-quality coffee: steam kettle (moka pot), siphon (siphon), hand grill (hand-drip) and ice-drip. Moka pot uses steam to extract the taste of coffee at high temperature, magnifying the characteristics of the coffee itself. The brewed coffee is the predecessor of Italian espresso and has a strong and bitter taste. The siphon pot uses the vacuum principle to heat the lower pot, pump the hot water into the upper pot with coffee powder, turn off the heat, and then let the coffee flow back to the next pot. Although the taste is strong, it is more layered than moka pot coffee, emphasizing the flavor of the coffee itself. Hand-held coffee is the most convenient. Pour hot water into the filter paper with coffee powder and wait for the coffee to flow into the pot. It tastes similar to siphon coffee and tastes fine. Ice drop coffee is the most time-consuming. It takes at least three hours to put 3 °C to 4 °C ice water in the pot and let the water drop into the coffee powder and then filter into the next pot. Different from the general hot drink coffee, ice drop coffee will not be bitter, although the taste is light, but the taste is long, it is now popular "tea" (tea-like) coffee.

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Q: what are the criteria for choosing "beautiful coffee beans"?

A: first of all, don't choose supermarket coffee beans. Boutique coffee emphasizes freshness, and the "tasting period" is only about one month, while coffee in supermarkets has long lost its proper flavor after a long period of transportation and storage. More importantly, don't buy coffee powder! Because good coffee needs to be ground and drunk, it will go bad ten minutes after exposure to air. For beginners, it is best to go to the local coffee roaster. Besides ensuring the quality, you can also ask the shop assistant for professional advice.

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Q: it is often said that coffee beans can be roasted in three ways: shallow, medium and deep. How should a novice choose?

A: in fact, the roasting of coffee beans is not so simple. In the field of international coffee, we use "Agtron number" to refer to the chromaticity of coffee beans like pantone as an accurate roasting index. 55 represents moderate roasting, the number less than 50 represents darker coffee beans, representing deep roasting, and the number greater than 65 is light roasted beans. In terms of taste, light to moderate roasting enhances the original acidity and floral aroma of coffee beans; deep roasting reduces the original taste of coffee beans, while the bitterness of the remaining caffeine becomes stronger and stronger.

Q: what is good coffee with "layers"?

A: the so-called "hierarchy" actually refers to the changes in the taste of coffee at different temperatures. The sweet and bitter aroma of the newly brewed hot coffee is more obvious, but as the temperature drops, the flower flavor and fruit acid will become more and more intense, and the taste will be special. However, it must be noted that if you want to drink coffee with "layers", you must choose medium-and light-roasted coffee beans. Coffee made from deep-roasted beans will only taste bitterness no matter what the temperature is.

Q: "Beautiful Coffee" must not add milk and sugar?

A: it is not recommended to drink coffee with sugar, because good coffee itself has a natural fruity sweetness, adding sugar will destroy the taste level and make the sweetness become single. With milk to drink more strong coffee like espresso, hand cups, ice droplets and so on are not suitable. Moreover, the best temperature for brewing coffee is 60oC to 70oC, which has the smoothest taste and the sweetest natural lactose, which complements the rich coffee.

Q: how does the fineness of coffee powder affect the taste of coffee?

A: the roughness of coffee powder will directly affect the degree of extraction (extraction rate). To put it simply, young powder has more contact with water, which can make stronger coffee, but it is also easier to absorb the defective taste, while the coffee brewed with coarse powder has a lower concentration, but fails to take advantage of the advantages of coffee. Therefore, according to the brewing method, the quality of coffee beans and personal taste, the thickness of coffee powder should be changed. Even if the type of coffee powder is the same and the thickness is the same, you can adjust the taste that suits you by changing the amount of coffee powder.

Q: is there a so-called "golden ratio" between water and coffee powder in hand-held coffee?

A: the American Fine Coffee Association (Specialty Coffee Associationof America) has established the "Golden Cup Theory" (Golden Cup Theory). The ratio of coffee powder to water is 1:13. However, as everyone has different taste preferences, the proportion can be adjusted according to the taste. Water temperature is also the focus of hand-held coffee, the best water temperature is probably 83oC to 89oC, high temperature will cause coffee powder extraction overextraction (over-extraction), the beans are not thankless bitter taste into the coffee; low water temperature can not bring out the aroma of coffee.

Q: apart from coffee beans and brewing equipment, which equipment are essential for getting started with coffee?

A: in the coffee industry, bean grinders are even more important than soaking equipment. The coffee powder produced by a good bean grinder is uniform in thickness and can accurately control the taste of soaking; on the other hand, if the coffee powder is of different thickness, it will affect the flavor extraction and make the coffee full of miscellaneous smell. In addition, a standard electronic scale is very important because the ratio of coffee powder to water must be very accurate to maintain the quality of coffee brewed every time. On the market, there are scales with both timing and weighing functions, which is convenient to calculate the time and amount of coffee brewing.

Q: I've had very mellow coffee in Japan. Can I make Japanese coffee at home?

A: traditional Japanese coffee actually tastes bitter, because the older generation of Japanese like to smoke, and their taste is more adapted to bitterness. Generally speaking, office workers also use coffee as a pick-me-up, and bitter black coffee is naturally the first choice. In fact, modern Japanese coffee has long been out of tradition, the sour, bitter and sweet taste of the coffee is relatively balanced, and the taste tends to be smooth. If you want to make Japanese coffee at home, the hand method is the most appropriate.

Q: Japanese designs have always been meticulous. Can a Japanese coffee maker make me a good cup of coffee?

A: the brewing coffee should be based on the temperature criterion. The Japanese coffee maker is focusing on the temperature. The position of filter paper and coffee powder is made of brass for fast heat transfer, and the shape is also in the shape of a sealed funnel to keep the temperature. But note that Japanese hand-made coffee can not be drunk immediately after brewing. It is recommended that you leave the coffee for one to two minutes so that the flavor is completely distributed and the taste, hierarchy and taste are better.

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