Coffee Knowledge

Detailed explanation of individual coffee knowledge ice drop coffee

In the Netherlands, the common iced coffee drip filter consists of 3-4 layers of glass containers mounted on wooden seats. It is recommended to choose deep-roasted coffee beans to make ice-drop coffee. Slow drip filtration of seven drops in 10 seconds is recommended for about eight to ten hours. This long-time low-temperature extraction method makes the coffee powder 100% wet and effectively removes bitterness and tannins. Coffee is clear amber, full-bodied, smooth and not sour.

Illustrated knowledge of coffee 15 things about coffee

Fine coffee learns from the coffee flowers of small grains of coffee

The florescence of small seed coffee in Yunnan is from February to July, and the flowering period is from March to May. The flowering of coffee is greatly affected by rainfall and temperature. Coffee flowers have a short life span of only 2-3 days. Small seed coffee usually opens at 3: 5 in the morning and blooms from 5 to 7 o'clock. The development time of coffee fruit is longer. It takes 8 to 10 months for the fruit of small seed coffee to mature, usually from October to December of the year.

Fine Coffee Learn Global Coffee Production Zone

That is, coffee production zone, between 25 degrees north latitude to 30 degrees south latitude, including central, west Africa, central Southeast Asia, the Pacific Ocean, Latin America, the Caribbean Sea many countries. Global coffee cultivation is concentrated in this belt because of temperature constraints. Coffee trees are very vulnerable to frost damage, latitude north or south is not suitable, only tropical areas are suitable, the heat of this area

Seven Indexes of High-quality Coffee

① dry aroma Fragrance: aroma of roasted beans after grinding ② wet aroma Aroma: aroma of coffee liquid ③ acidity ACidity: sour ④ alcohol thickness Body: concentration and weight of coffee liquid ⑤ afterrhyme Aftertaste: commonly known as Huigan ⑥ flavor Flavor: taste buds perceived taste and nasal perceived flavor ⑦ taste flat after drinking coffee

Coffee knowledge Espresso has the lowest caffeine content

Caffeine content is related to the variety of coffee beans, the degree of roasting and the soaking time of coffee powder: robusta beans are much higher than Arabica beans; the deeper the coffee beans are roasted, the less caffeine is; and the longer the coffee powder is soaked, the more caffeine is extracted. So for the same amount of beans, deep-baked Arabica beans are Italian concentrated with an Italian coffee machine and contain the least caffeine.

Coffee Roasting for the First Time (1) Defective Beans

The first step before roasting beans is to pick out all kinds of defective beans. Some defective beans are not easy to identify after roasting. There are some fine green coffee beans on the market that have been carefully selected and processed at the time of delivery. The following picture shows the types and causes of defective beans

Small Dictionary of Coffee knowledge (1) about Coffee beans

A brief explanation of some common terms about coffee beans. Share from Su Yanzhang's "Coffee Taste"

Introduction to Italian Coffee: tasting of ESPRESSO

Generally speaking, we will analyze and judge the quality of a cup of espresso from three aspects: vision, smell and taste.

The technique of Italian Coffee pattern how is Coffee pattern formed

In the process of mixing hot milk and espresso, there are two kinds of foam mixed together, one is the mixture of air and milk on the surface of milk, and the other is the mixture of fat, gas and espresso on the surface of espresso. Both bubbles are relatively stable so that the patterns made by baristas when they pour milk can be kept long enough for customers to appreciate.

Coffee maker common sense use coffee maker hot water as little as possible

At present, coffee shops generally choose a single boiler heat exchange Italian coffee machine, and the main function of the boiler is to heat the heat exchanger and supply steam. The use of boiler water by ① will affect the temperature and pressure of the boiler, and then affect the quality of coffee. ② if the influent water filtration and softening treatment is not in place, the frequent flow of boiler water will accelerate the boiler aging. ③ boiler water is often heated repeatedly.

Coffee machine recommends household Italian machine

The internal structure of a household Italian machine may be very simple, or it may be as complex as a business machine, which varies greatly in price. Household machines generally adopt the design of built-in water tanks to save the trouble of installing water pipes. In addition, the design of the boiler and heating system also strives to simplify and adopt more vibrating pumps to save space. On the whole, most household machines are far less efficient than the camp in heating.

Coffee Encyclopedia knowledge Fair Trade (Fairtrade) Coffee

The purpose of Fairtrade certification is to enable people to identify that goods imported from the third World (coffee beans, cocoa beans, etc.) meet the following criteria: environmental protection, labour human rights and the development interests of the third World. This certification system carries out independent examination and certification for producers. Companies that sell Fairtrade goods must also meet the standards and apply to become licensed sellers before they can use the public on the goods.

The way coffee beans are preserved how to preserve coffee beans or coffee powder

Can coffee beans and coffee powder be refrigerated or frozen in the refrigerator?

Knowledge of boutique coffee beans how to judge whether coffee beans are fresh

Freshly roasted coffee beans begin to exhaust (mainly carbon dioxide). When the gas is completely discharged, the coffee beans are no longer fresh. You can grab a handful of beans, put them in an airtight plastic bag, squeeze the air out of the bag, tie a knot and seal it, then put the bag in a cool place and observe the next day that if the bag expands, the beans are fresh. Other identifiable coffee

Boutique coffee roasting knowledge how long can coffee beans be kept after roasting

The definition of "freshly roasted coffee" adopted by the American Fine Coffee Association (SCAA) is that no matter how it is packaged, it must be brewed within 3 to 7 days of baking and immediately after grinding into powder. The exhaust process of fresh coffee beans usually takes two weeks, which is the best time to taste fresh. As long as you know how to preserve coffee beans, a month is acceptable.

Coffee novice science article: freshly ground coffee is not instant coffee

The coffee powder grinded by roasting coffee beans cannot be completely dissolved in water, of course, you can also brew it directly with coffee cups and hot water, but only if you can tolerate the coffee grounds in this mouth, otherwise, it is recommended to refer to the following figure for the following basic coffee utensils and usage. (PS: the temperature indicated by hand flushing in the picture is suitable for light coffee beans.) -

Use the quickest time to learn the difference between common coffee

The difference between fancy coffee and cappuccino and latte

Fine coffee Espresso espresso

Using an Italian coffee machine, hot water at a temperature of about 90 ℃ is washed through the fine ground coffee pressed powder at 9: 10 atmospheric pressure (bar), and the coffee liquid about 30cc is extracted in 20: 30 seconds. When the unique flavor of coffee is concentrated, it tastes stronger than other brewing methods, but there is less caffeine. Espresso is the basis for making other espresso.