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How to tell if the coffee has gone bad?

How to tell if the coffee has gone bad?

Instant coffee identified as Rubiaceae shrub, coffee tree fruit seeds, semicircular grooves, stir-fried coffee powder, brown has a special aroma, coffee powder can be drunk after boiling, such as the juice will be concentrated and then dried into instant coffee. Fake coffee is mixed with chicory root powder in real coffee, or roasted and crushed grains and beans. Real coffee contains caffeine and has

2014-05-27
Introduction to coffee beans: learn more about Robusta coffee beans and the essence of tenacity

Introduction to coffee beans: learn more about Robusta coffee beans and the essence of tenacity

Robusta, one of the most important coffee tree varieties in the world. Robusta species (scientific name Coffee Robusta Linden). The leaf rust-resistant varieties found in Congo in Africa have stronger disease resistance than Arabica. In the general coffee market, many people like to compare robusta and Arabica coffee beans, which is incorrect. In fact, the Robusta progeny

2015-12-09
The effect of sour taste on the taste of coffee what is the flavor of sour African sour coffee

The effect of sour taste on the taste of coffee what is the flavor of sour African sour coffee

Before we talk about this, let's popularize two small pieces of knowledge. 1. SCAA cup baking degree standard: caramelization tester # 58, grinding # 63 (whole bean # 58, grinding # 63), baking time is 8: 12 minutes, and there can be no baking defects caused by bean body or bean end scalding. This baking degree will be closer to the usual City baking degree, about after the completion of an explosion. 2. In fact, it is mainly

2016-04-25
Some summaries of Qgrader examination for reference

Some summaries of Qgrader examination for reference

After successfully passing the Q GRADER exam, some friends who are interested in the Q GRADER exam have asked me about the exam. It is true that there is less data in this area. Therefore, I would like to make a general summary here to give some reference to friends who want to take the Q GRADER. First, about the examination subject Q GRADER is an examination jointly certified by SCAA and CQI. At present, the examination will be arranged for 5 days.

2015-04-11
Barista examination some summaries of the barista Qgrader examination

Barista examination some summaries of the barista Qgrader examination

After successfully passing the Q GRADER exam, some friends who are interested in the Q GRADER exam have asked me about the exam. It is true that there is less data in this area. Therefore, I would like to make a general summary here to give some reference to friends who want to take the Q GRADER. First, about the examination subject Q GRADER is an examination jointly certified by SCAA and CQI. At present, the examination will be arranged for 5 days.

2015-01-29
Robusta, one of the most important coffee tree varieties in the world.

Robusta, one of the most important coffee tree varieties in the world.

Robusta species (scientific name Coffee Robusta Linden). The leaf rust-resistant varieties found in Congo in Africa have stronger disease resistance than Arabica. In the general coffee market, many people like to compare robusta and Arabica coffee beans, which is incorrect. In fact, the Robsta species was originally a mutant of the Congo species (scientific name: Coffee Canephora).

2014-06-30
How can the

How can the "golden rule" of coffee tell whether a cup of coffee is good or bad?

The difference in the quality of coffee can be realized with only a sip. So, how can we tell whether a cup of coffee is good or bad? Capacity: espresso is distilled from coffee powder with an optimum capacity of 25-30ml and served in a white porcelain cone cup. Too large a cup will speed up the cooling of the coffee. If the distillation volume is less, the concentration is higher; if the distillation volume is too much, the purity becomes lighter and the taste is more reliable.

2015-11-12
Some summaries about Q GRADER examination

Some summaries about Q GRADER examination

After successfully passing the QGRADER exam, some friends who are interested in the QGRADER exam have asked me about the exam. It is true that there is less data in this area. Therefore, I would like to make a general summary here to give some reference to those who want to take the QGRADER. First, about the examination subject QGRADER is an examination jointly certified by SCAA and CQI. At present, the examination will be arranged for 5 days.

2014-04-27
The taste of coffee has a lot to do with the water temperature of making coffee. The temperature will have a different flavor.

The taste of coffee has a lot to do with the water temperature of making coffee. The temperature will have a different flavor.

Is your coffee sour? Boiling water to the bottom of caffeine, right? The popularity of hand-brewed coffee has made many friends who used to drink only instant and Xing dad have a hard time. Frankly speaking, how many people drink the first sip of boutique coffee (that is, coffee made from boutique coffee beans, mainly by hand-brewing coffee to restore the coffee beans themselves?

2015-12-11
Identification of the quality of coffee beans: a detailed introduction of coffee cup testing terms

Identification of the quality of coffee beans: a detailed introduction of coffee cup testing terms

When testing a cup of coffee, we should distinguish whether the flavor, alcohol thickness, acidity and wet aroma of the coffee are pleasant. Most cup tasters use the following criteria to judge coffee. While tasting the coffee, you should try to discern whether the flavor, body, acidity and aroma of the coffee is pleasant, or unplea

2015-12-15
Indian coffee beans are amazing.

Indian coffee beans are amazing.

India Goldby Kenneth Davids, April, pp. 64-70. India Goldby Kenneth Davids, India Gold

2014-09-19
India's Gold ── Mythical Country, Monsoon Land's Coffee

India's Gold ── Mythical Country, Monsoon Land's Coffee

India Goldby Kenneth Davids, April, pp. 64-70. India Goldby Kenneth Davids, India Gold

2015-06-04
Terminology for coffee cup testing

Terminology for coffee cup testing

When testing a cup of coffee, we should distinguish whether the flavor, alcohol thickness, acidity and wet aroma of the coffee are pleasant. Most cup tasters use the following criteria to judge coffee.

2014-06-25
Coffee basics test how much do you know about coffee?

Coffee basics test how much do you know about coffee?

Drinking coffee has become a fashion choice for more and more people. How much do you know about coffee if you often go to coffee bars? Don't get a reputation for being old-fashioned and out-of-date because of small details. See which of the following will make you flawless, and get in the right seat. ● first sip: the first sip of coffee is the key. When coffee comes up, don't be busy adding seasoning or stirring it, drink it first.

2015-05-13
Indian coffee with salt

Indian coffee with salt

Like to drink coffee, but seldom drink black coffee, always with sugar, or sugar and milk. So that at midnight this winter, numb and mechanical nerves, taste organs, tongue can easily feel the sweet taste, probably I have forgotten what kind of feeling sweet used to be, so I have to hope that sugar is a good nerve-soothing condiment.

2014-08-11
The technique of brewing black coffee how to make a perfect cup of coffee

The technique of brewing black coffee how to make a perfect cup of coffee

[P] Tristan Valach, known as Ant, teaches people how to make coffee in San Francisco. Jim Wilson/The New York times [/ p] San Francisco Tristan Wallach (Tristan Walach) has a tattoo on his neck, which is the famous welcome sign of Las Vegas. People usually call him Ant. He specializes in teaching people to make coffee. And I'm here to talk to

2015-01-06
Surprising discovery of Indian coffee beans [translation]

Surprising discovery of Indian coffee beans [translation]

"translated from FreshCup Magazine, April, pp. 64-70, India Goldby Kenneth Davids. The copyright of the original text and other related rights are owned by the magazine, and the copyright of the translated text is reserved by the translator. Please do not reprint or reset at will." Coffee in India's Golden ── Myth country and Monsoon Land our mysterious impression of India is not just its coffee.

2014-07-02
Coffee Culture Coffee beans in India surprise Discovery

Coffee Culture Coffee beans in India surprise Discovery

"translated from FreshCup Magazine, April, pp. 64-70, India Goldby Kenneth Davids. The copyright of the original text and other related rights are owned by the magazine, and the copyright of the translated text is reserved by the translator. Please do not reprint or reset at will." Coffee in India's Golden ── Myth country and Monsoon Land our mysterious impression of India is not just its coffee.

2014-09-30
The knack of distinguishing the freshness of coffee beans how to measure the quality of coffee beans

The knack of distinguishing the freshness of coffee beans how to measure the quality of coffee beans

1, nose smell: fresh coffee beans smell strong fragrance, on the contrary, tasteless or bad smell 2, look at: good coffee beans have complete shape and full size. On the contrary, the shape is incomplete. 3, hand pressure: fresh coffee beans are fresh and crisp, and the fragrance floats out when they crack. 4, color: dark black coffee beans, the coffee brewed has a bitter taste; yellow coffee beans, boiled coffee

2016-04-27
Coffee roaster training course summary freshly roasted coffee roaster

Coffee roaster training course summary freshly roasted coffee roaster

I often come across friends who ask me how to start learning coffee roasting. Or, how to make their own baking please climb to another tall building? My answer is always simple. Buy a bag of Yega Sheffield and a bag of Columbia and go back to practice. If you think about such an answer, you may think that I am perfunctory, but in fact, isn't that how I came here? Looking back on the beginning of learning

2016-04-25
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