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Why does the coffee turn sour when it gets cold?

Sometimes we have this experience: we have a cup of coffee in a coffee shop or ourselves, and we love to drink black coffee, so we don't add sugar or milk, but before long, as the coffee gets cold, the originally mellow coffee will also become sour and difficult to swallow. Why on earth is this? Is there any way to avoid it? In fact, drinking coffee is like eating fish, most of the time it's hot.

2014-11-18 Coffee knowledge boutique coffee coffee common sense coffee becomes sour

Why does the coffee turn sour when it gets cold?

Sometimes we have this experience: we have a cup of coffee in a coffee shop or ourselves, and we love to drink black coffee, so we don't add sugar or milk, but before long, as the coffee gets cold, the originally mellow coffee will also become sour and difficult to swallow. Why on earth is this? Is there any way to avoid it? In fact, drinking coffee is like eating fish, most of the time it's hot.

2014-05-21 Coffee knowledge coffee tasting coffee taboos

Coffee knowledge: why does coffee turn sour when it gets cold?

Sometimes we have this experience: we have a cup of coffee in a coffee shop or ourselves, and we love to drink black coffee, so we don't add sugar or milk, but before long, as the coffee gets cold, the originally mellow coffee will also become sour and difficult to swallow. Why on earth is this? Is there any way to avoid it? In fact, drinking coffee is like eating fish, most of the time it's hot.

2014-09-27 Coffee knowledge coffee sour coffee taste coffee encyclopedia

Why do coffee beans turn brown after roasting? Why is there an aroma?

Coffee beans are light green and turn brown when roasted. This baking characteristic brown mainly comes from the brown pigment produced by oligosaccharins, amino acids and chlorogenic acids. The so-called brown pigment does not refer to a color or ingredient, but a general term for the many ingredients that make coffee different colors. Raw beans gradually change color during baking because of the total amount of brown pigment

2016-08-24 Coffee beans through roasting why brown aroma coffee raw beans light green

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.

2014-12-10 Coffee beans roasting technology iron pot oneself according to local conditions can use home

Stir-fry coffee beans in an iron pan to make fresh and delicious coffee

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.

2015-06-08 Iron pot oneself coffee beans fried fresh delicious coffee

Introduction of Italian coffee machine: detailed explanation of the operation of Nova coffee machine

With regard to the switching process of the Italian Nova coffee machine, the author combines the experience of coffee machine repairmen for many years to learn and share with you, hoping to be helpful to users who are using or planning to buy this coffee machine. one。 Power on 1, turn on the main switch, the coffee machine carries on the automatic water replenishment process. If the water level does not meet the requirements, the boiler will not be heated and there will be no hot water and steaming.

2015-12-15 Italy coffee machine introduction Nova shutdown operation details explanation about

Common sense of coffee Why does coffee turn sour when it gets cold?

Sometimes we have this experience: we have a cup of coffee in a coffee shop or ourselves, and we love to drink black coffee, so we don't add sugar or milk, but before long, as the coffee gets cold, the originally mellow coffee will also become sour and difficult to swallow. Why on earth is this? Is there any way to avoid it? In fact, drinking coffee is like eating fish, most of the time it's hot.

2014-10-29 Coffee knowledge coffee common sense coffee becomes sour

Basic knowledge of Coffee Why does coffee turn sour when it gets cold?

Sometimes we have this experience: we have a cup of coffee in a coffee shop or ourselves, and we love to drink black coffee, so we don't add sugar or milk, but before long, as the coffee gets cold, the originally mellow coffee will also become sour and difficult to swallow. Why on earth is this? Is there any way to avoid it? In fact, drinking coffee is like eating fish, most of the time it's hot.

2015-01-19 Coffee basics common sense cold why sour sometimes we will have like this

Basic knowledge of boutique coffee Why does coffee turn sour when it gets cold?

Sometimes we have this experience: we have a cup of coffee in a coffee shop or ourselves, and we love to drink black coffee, so we don't add sugar or milk, but before long, as the coffee gets cold, the originally mellow coffee will also become sour and difficult to swallow. Why on earth is this? Is there any way to avoid it? In fact, drinking coffee is like eating fish, most of the time it's hot.

2014-12-25 Boutique coffee basics common sense cold why sour sometimes we will have

Coffee brewing recommendation-Italian coffee maker

In 1901, Italian Milan engineer Luigi Bezzera invented the espresso machine. Italian coffee machine is a machine that uses high temperature and high pressure to make coffee quickly. According to the type of boiler, Italian coffee machine is divided into single boiler heat exchange type, double boiler type and multi-boiler type; according to the mode of operation, it can be roughly divided into: manual, automatic, semi-automatic, fully automatic and so on. And the professional coffee farm

2014-07-22 Coffee brewing espresso machine coffee utensils

How coffee fruits turn into raw beans

There are three kinds of refining methods: drying type, washing type, and the compromise between the two-semi-washing type.

2014-08-22 Coffee knowledge coffee raw beans coffee bean processing

Can the teeth turn black when drinking coffee?

In order to provide more services to patients, many dentists claim that coffee blackens teeth, causing a "coffee smile".

2014-05-21 Coffee knowledge coffee encyclopedia teeth

How to bake your own coffee beans at home

Some coffee lovers like to buy raw coffee beans and bake them by themselves. Self-baking is not only easy, but also effective, so anyone who is interested can try it. Not only can you bake as much as you need, but the most interesting thing is that each time you bake, you are facing the coffee beans, and observe the coffee beans in the roaster closely through the smell, color, dandruff, smoke and sonic explosion.

2015-11-05 By yourself baking coffee beans how at home

Coffee knowledge Bake Coffee beans Coffee Baking

Some coffee lovers like to buy raw coffee beans and bake them by themselves. Self-baking is not only easy, but also effective, so anyone who is interested can try it. Not only can you bake as much as you need, but the most interesting thing is that each time you bake, you are facing the coffee beans, and observe the coffee beans in the roaster closely through the smell, color, dandruff, smoke and sonic explosion.

2014-09-16 A complete knowledge of coffee roasting coffee beans and roasting coffee

Analysis of the on-off process of M27 coffee machine

The on / off process of the coffee machine sounds very simple, and those who do not understand can be operated according to its instructions, but for some people who do not understand or come into contact with for the first time, they may not be able to read the instructions for a while, especially the full English version of the instructions of some imported coffee machines, which is even more difficult for people who do not understand English. Here, the author has been engaged in coffee for many years.

2014-07-25 Coffee knowledge M72 coffee machine switch flow

Boutique coffee beans roast coffee beans by yourself

Some coffee lovers like to buy raw coffee beans and bake them by themselves. Self-baking is not only easy, but also effective, so anyone who is interested can try it. Not only can you bake as much as you need, but the most interesting thing is that each time you bake, you are facing the coffee beans, and observe the coffee beans in the roaster closely through the smell, color, dandruff, smoke and sonic explosion.

2015-01-04 Boutique coffee beans roasting self some coffee lovers like buy raw

Italian coffee technology details the steps of making milk foam

When using steam to make milk bubbles, drain the condensed water first, pull the steam pipe as high as possible, submerge the liquid surface of the steam nozzle 07 cm, about two cm away from the wall of the flower cylinder, fully open the steam switch, let the milk form a vortex, touch the wall of the flower cylinder with the other hand, feel a little hot (about 65 degrees), turn off the steam, slide down the flower cylinder, wipe the steam pipe, spray steam empty, remove milk residue. 1,

2014-10-31 Coffee knowledge espresso coffee frothing

Coffee brewing recommends Italian coffee maker to make coffee.

In 1901, Italian Milan engineer Luigi Bezzera invented the espresso machine. Italian coffee machine is a machine that uses high temperature and high pressure to make coffee quickly. According to the type of boiler, Italian coffee machine is divided into single boiler heat exchange type, double boiler type and multi-boiler type; according to the mode of operation, it can be roughly divided into: manual, automatic, semi-automatic, fully automatic and so on. And the professional coffee farm

2015-04-17 Coffee brewing recommendation Italian coffee maker step 1901 Italy rice