Coffee Knowledge

Why does fine coffee learn black coffee to be sour?

Most people mistakenly think that coffee is sour if it is not fresh, and sour coffee is not good. This is really a great smear and misunderstanding! In fact, coffee itself is an acidic beverage. Whether coffee is sour or not depends on the baking degree of beans. The longer the baking time is, the higher the caramelization degree is, and the more acidic substances are destroyed, the less sour it is, and the shorter the baking time is, the lower the caramelization degree is.

Coffee basic knowledge Coffee is made in this way

The women picked out the coffee beans that were not fully roasted. The workers poured the coffee beans into the roaster and poured the roasted coffee beans into the plate to cool down. There is a place in Ethiopia called Kafa. Local residents have found that cattle and sheep become excited and powerful after eating a plant that grows small red beans. Later, people began to pick it and grow it consciously, using Kafa as food and drink.

Fine Coffee learn the technology of roasting coffee beans

1. Cleaning uses wind and vibration to remove ash / soil / pebbles / metal and other impurities from coffee beans. The cleaning process is generally carried out on special machinery, or manual screening can be used. Then let the coffee beans pass through sieves of different sizes and grade them according to size. If possible, a colorimeter can also be used to monitor immature coffee beans and pick out coffee beans that are too light or too dark. Use ultraviolet

Coffee common sense coffee roasted good coffee and bad coffee

Friends who know nothing about coffee often ask what kind of coffee is the best. Is it Blue Mountain? Generally speaking, your favorite coffee is good coffee. The answer is, of course, based on quality. Whether you like Thai rice or fragrant rice, or northeast rice, first of all, the rice must be of high quality, preferably new rice, moth-free, no impurities, and the same is true of coffee. Then I

Coffee beans roasting common sense detailed explanation of the 8 stages of roasting

Roasting green coffee beans gives the beans their distinctive color, aroma and taste. The most important thing about baking is to be able to cook the beans evenly inside and outside without burning them. 80% of coffee taste depends on roasting, which is the most basic and important condition for brewing strong coffee. The roasting of coffee beans is roughly divided into three categories: light fire, medium fire and strong fire.

Matters needing attention in the preservation of roasted coffee beans

1. Try to buy fresh coffee, usually one-way valve packaging, please pay attention to the production date on the packaging, of course, the closer to the purchase date, the better. It is recommended to buy half a pound of packaging, even if you need a pound of beans. Because it can prolong the shelf life of coffee properly without opening the package. two。 Open coffee beans should be kept away from light in a sealed bottle. Choose a sealed bottle with good sealing property and try to keep it away from the light.

Analysis on the advantages and disadvantages of roasting coffee beans in our own pot

The advantages of pan-frying; 1. Utensils are popular, readily available and free of charge. two。 You can clearly observe / learn every change in coffee beans during coffee roasting. 3. The process is fun and fun! The shortcomings of the pan-frying method: 1. The heat accumulation effect of the pan is poor, and the baking result is uneven. two。 It's a little tiring to keep turning the spatula. 3. Silver Silver Skin floats out

Common sense of roasting coffee beans technology of roasting coffee beans at home

We can indeed bake coffee in our iron pans, which is actually what people in many European countries are doing. What you need is a light frying pan with a sealed lid, and of course you can pick a heavy one if you want to do an aerobic workout; and gas / electric stove, oven thermometer, tablespoon, metal sieve pan for cooling and insulating gloves. In order to make

Changes of nutritional components of coffee beans before and after roasting

The freshness of fine coffee is the life of coffee

There are three steps to determine the freshness of coffee beans: smell, see, and peel. Smell: put the coffee beans close to the nose, smell deeply, whether you can clearly smell the aroma of coffee beans, if so, it means that the coffee beans are fresh enough. On the contrary, if the aroma is weak, or if the smell has begun to appear greasy (like peanuts or nuts that will appear for a long time), it means

Roasting technology of coffee beans stir-fry coffee beans in an iron pan

According to local conditions, you can use the home wok to fry coffee beans, but also can fry fresh and delicious coffee. Prepare to pour the raw coffee beans into the pan and stir continuously to turn off the heat to complete the operation: 1. Spread a layer of raw beans at the bottom of the pot, turn on a small fire in the gas stove (the smallest fire is fully lit, not just the middle circle), and begin to slowly stir the raw beans in the pot. two。 You have to keep turning the spatula, a little bit.

The freshness of coffee beans teaches you how to choose coffee beans

There are three steps: smell, see, and peel. ◎ smell: hold the coffee beans close to your nose and take a deep breath to see if you can clearly smell the aroma of the coffee beans. If so, the coffee beans are fresh enough. On the contrary, if the aroma is weak, or has begun to appear greasy, it means that the coffee beans are not fresh at all. This kind of coffee beans, no matter how much effort you put into grinding,

Basic common sense coffee preservation method of high-quality coffee beans

The storage of coffee beans directly affects the quality of coffee beans, especially for coffee beginners, how to preserve your beloved beans, here are several ways to recommend the preservation of coffee beans. ◎ makes good use of the specific gravity of carbon dioxide as far as gas is concerned, the specific gravity of carbon dioxide is higher than that of gas. Therefore, in the same sealed space, carbon dioxide precipitates at the bottom and air floats at the top. Understood

The general knowledge of fine coffee explains the packaging of coffee beans in detail.

Flexible non-airtight packaging: this is the most economical one. It is usually used by local small baking plants because they can guarantee rapid supply and coffee beans can be consumed in time. Coffee beans in this way can only be preserved for a short time. Usually no more than a week. Airtight packaging: suitable for bars, shelves or families, mainly in small bags and cans, coffee is vacuum and sealed after being packed. Due to

High-quality coffee learn the roasting method of coffee beans

When high-quality coffee beans are picked, the most important step in making them gourmet coffee is roasting and mixing. A master baker must have both the temperament of an artist and the rigor of a scientist. Only in this way can we ensure that the sugars and other carbohydrates contained in the coffee are carbonized during the roasting process, thus producing the well-known coffee fat and producing good coffee with high quality and consistent style.

Boutique Coffee Technology Coffee roasting procedure

Coffee roasting is the coking of raw coffee beans at high temperature. Roasting completely changes the substances inside the raw beans to produce new compounds, which are recombined to form aroma and mellow flavor. And this effect will only happen at high temperature, if you only use low temperature, it will not cause decomposition, no matter how long the coffee beans are not cooked. Most people think that baking is nothing, just using firefighters.

Fine coffee learns the stage of roasting coffee beans.

[the concept of roasting] roasting is the boiling of coffee beans, creating the unique color (amber), flavor and aroma of coffee. Roasting turns the light green raw coffee beans into the tea-brown coffee beans we are familiar with. High-standard fried roasting refers to the ingenious expression of the aroma, sour and bitter taste of raw coffee beans. [basic principles of baking] the most important thing is to be able to make beans

Coffee baking book reasons for roasting coffee beans at home

Reliable, economical, turning stone into gold when the author published the first edition of this book in 1996, roasting coffee beans at home was something that only tireless coffee addicts would do. At that time, roasting coffee beans was a very difficult thing to master, and roasters had to work hard to find a way to roast coffee beans to a moderate brown. Today, the individual is in

Roasting of boutique coffee beans pictured coffee roasting process wizard

Naked eye observation as one of the methods to determine the roasting degree of coffee beans is very limited when used alone. If it is supplemented by the judgment of burst sound and the discrimination of fragrance, quite accurate results can be obtained. But the world of coffee is full of surprises and rarely conventional, and explosive Sumatra is often mistaken for urban baking. On the other hand, the color of some coffee beans after roasting will look better than that of actual roasting.

Roasting technology of boutique coffee beans my baking trilogy

Since there are more self-made coffee, I gradually feel that whether the roasted beans are fresh or not is very important. I live in Kunming, which produces Yunnan small-grain coffee, so I try to roast my own coffee and start my roasting trilogy. First, I use stainless steel wire spoon baking, feel better than using iron pot copy baking effect, baking depth is more uniform, but hard and tiring. And because of the poor thermal insulation of the steel wire spoon