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Watch out for the dissolution of heavy metals when drinking coffee in metal cups

Watch out for the dissolution of heavy metals when drinking coffee in metal cups

Metal cups, such as stainless steel and enamel cups, are usually stable, but they may dissolve in an acidic environment, so it is not safe to drink acidic drinks such as coffee and orange juice. When the cup is filled with boiled water or drinks with high acidity and alkalinity, these

2014-06-13
Watch out for the dissolution of heavy metals when drinking coffee in metal cups

Watch out for the dissolution of heavy metals when drinking coffee in metal cups

It is safe to drink clean water, and the safety of the cup is equally important. Yesterday, Feng Xiaoxia, a professor in the Department of Gastroenterology of the second affiliated Hospital of heavy Medical College, told Yousheng that the choice and use of cups are very knowledgeable, and it is easy to endanger your health if you are not careful. Customers do not know the material only look at the style yesterday, the reporter came to some supermarkets in our city to see that there are all kinds of cups of various materials, ceramics, glass, enamel, plastic, rust

2015-06-25
Coffee extraction principle = chemical reaction + physical reaction?!

Coffee extraction principle = chemical reaction + physical reaction?!

UESTION Hi! Emma! I've been hearing about hydrolysis in coffee brewing. What is it? Can you explain the scientific basis for hydrolysis? How is it different from extraction? Thank you! ANSWER Dear Coffee Drunk in Baltimore: I feel your pain! Coffee brewing is now the most popular

2016-05-07
Boutique coffee cup automatic stirring vortex cup coffee cup

Boutique coffee cup automatic stirring vortex cup coffee cup

Automatically stir the whirlpool coffee cup, a small button to solve a lazy heart. Deep mixing, uniform dissolution, stirring spoon god horse all stand aside! A small button to solve a lazy heart, deep mixing, uniform dissolution, even if you drink, you have to win! We all believe that the water cup is every girl's favorite collection of items, send friends that is a lifetime, choose that unique pattern

2015-11-24
Coffee Apprentice: the notes we took in those years!

Coffee Apprentice: the notes we took in those years!

Guide to Caxiang: as the saying goes, a good memory is not as good as a bad pen, many memories will become blurred with the passage of time, but what is written down in black and white, no matter how long it takes, it is still there! The notes you wrote down when you were an apprentice may have a lot of inspiration for you now! Next, a group of high-energy magic maps will take you into the coffee world of shou (can).

2015-10-27
Cold cannon coffee is better than iced coffee.

Cold cannon coffee is better than iced coffee.

We all know that every coffee powder contains thousands of oils, chemicals and acids. These substances are collectively referred to as soluble substances. It is these soluble substances that give the coffee mellow and delicious. The process of coffee extraction can effectively release these substances. The brewing methods of coffee are mainly divided into two categories according to temperature and time: 1. Hot brewing (dripping) coffee

2016-06-02
Soluble matter. Hot coffee and cold coffee how to make iced coffee

Soluble matter. Hot coffee and cold coffee how to make iced coffee

Soluble matter. It is these soluble substances that give the coffee mellow and delicious. The process of coffee extraction can effectively release these substances. The brewing methods of coffee are mainly divided into two categories according to temperature and time: 1. Hot brewing coffee: when it comes to hot brewing coffee, we naturally think of dripping coffee made from an old-fashioned coffee machine at home or a hand filter pot.

2016-07-12
Soluble matter. Hot coffee and cold coffee how to make iced coffee

Soluble matter. Hot coffee and cold coffee how to make iced coffee

Soluble matter. It is these soluble substances that give the coffee mellow and delicious. The process of coffee extraction can effectively release these substances. The brewing methods of coffee are mainly divided into two categories according to temperature and time: 1. Hot brewing coffee: when it comes to hot brewing coffee, we naturally think of dripping coffee made from an old-fashioned coffee machine at home or a hand filter pot.

2016-07-12
Can black coffee predict the weather?

Can black coffee predict the weather?

Suddenly it began to rain, and you ran to the door of a cafe to take shelter from the rain. Now there are only two ways in front of you, either run to the nearby bus stop immediately while the rain is not heavy, or go into the cafe and quietly order a cup of coffee until the sky clears up. All right, order a cup of coffee, throw in a cube of sugar, and observe the bubbles released by the dissolution of the cube sugar without stirring

2014-10-09
Coffee anecdotes can black coffee predict the weather?

Coffee anecdotes can black coffee predict the weather?

Suddenly it began to rain, and you ran to the door of a cafe to take shelter from the rain. Now there are only two ways in front of you, either run to the nearby bus stop immediately while the rain is not heavy, or go into the cafe and quietly order a cup of coffee until the sky clears up. All right, order a cup of coffee, throw in a cube of sugar, and observe the bubbles released by the dissolution of the cube sugar without stirring

2014-11-24
Boutique coffee knowledge black coffee can predict the weather?

Boutique coffee knowledge black coffee can predict the weather?

Suddenly it began to rain, and you ran to the door of a cafe to take shelter from the rain. Now there are only two ways in front of you, either run to the nearby bus stop immediately while the rain is not heavy, or go into the cafe and quietly order a cup of coffee until the sky clears up. All right, order a cup of coffee, throw in a cube of sugar, and observe the bubbles released by the dissolution of the cube sugar without stirring

2014-12-31
The factors affecting steaming are the temperature of water, the amount of water, the length of steaming time, the storage of coffee beans.

The factors affecting steaming are the temperature of water, the amount of water, the length of steaming time, the storage of coffee beans.

The factors affecting steaming are the temperature of water, the amount of water, the length of steaming time, the storage time of coffee beans, the higher the height of the water column, the greater the impact of the water flow and the difficulty of stable circling, resulting in greater disturbance in the extraction process, unable to evenly extract coffee powder, resulting in increased astringent flavor; if the height of the water column is too low, the volume of the hand-flushing pot will be increased.

2016-04-18
Five common coffee sugars

Five common coffee sugars

The same cup of black coffee, with different sugar will have a very different flavor. Among them, soft white sugar, cube sugar, white granulated sugar, rock sugar and yellow sugar are the most common types. Soft white sugar: no impurities, pure taste, low sweetness, easy to dissolve. Sugar cube: made from soft white sugar, dissolution efficiency is slightly lower than soft white sugar, but strong texture, suitable for blending flavor. White sugar: not easy to dissolve, warm

2014-11-22
Why is cold coffee better? How's cold coffee? Can coffee be brewed cold?

Why is cold coffee better? How's cold coffee? Can coffee be brewed cold?

The silky texture, the sweet taste, the rich floral aroma This must be cold brewed coffee! Every coffee lover knows the difference between cold brewed coffee and traditional hot brewed coffee. Everyone is fascinated by the unique taste of cold brewed coffee. Hot or cold, coffee is made from the same ingredients: coffee powder and water. But why cold brewed coffee tastes and traditions

2016-03-18
Analyze why cold brewed coffee makes people feel better?

Analyze why cold brewed coffee makes people feel better?

Abstract: this silky taste, sweet taste, strong floral aroma, this must be cold brewing coffee! Every coffee lover knows the difference between cold brewing coffee and traditional hot brewing coffee. Everyone is fascinated by the unique taste of cold brewing coffee. Whether it is hot or cold, coffee is made from the same raw materials. The silky taste, sweet taste, full-bodied

2015-11-20
Can black coffee predict the weather? The role of coffee

Can black coffee predict the weather? The role of coffee

Suddenly it began to rain, and you ran to the door of a cafe to take shelter from the rain. Now there are only two ways in front of you, either run to the nearby bus stop immediately while the rain is not heavy, or go into the cafe and quietly order a cup of coffee until the sky clears up. All right, order a cup of coffee, throw in a cube of sugar, and observe the bubbles released by the dissolution of the cube sugar without stirring

2015-10-15
Coffee anecdotes do you know that black coffee can predict the weather?

Coffee anecdotes do you know that black coffee can predict the weather?

Suddenly it began to rain, and you ran to the door of a cafe to take shelter from the rain. Now there are only two ways in front of you, either run to the nearby bus stop immediately while the rain is not heavy, or go into the cafe and quietly order a cup of coffee until the sky clears up. All right, order a cup of coffee, throw in a cube of sugar, and observe the bubbles released by the dissolution of the cube sugar without stirring

2015-03-16
Coffee and Sugar A brief introduction to the types of sugar

Coffee and Sugar A brief introduction to the types of sugar

Add sugar to coffee, add some sweetness to remove sourness and bitterness, which is something many people like to do. Love the aroma of coffee, but fear its bitter taste, so need a little synthesis.

2014-08-19
Extraction time of coffee brewing coffee flavor extraction curve

Extraction time of coffee brewing coffee flavor extraction curve

This is the curve of substances appearing in coffee extraction. In the extraction of coffee, both good taste and bad taste will be dissolved. As can be seen from the diagram, the rate of dissolution of good taste is relatively fast, so it relatively suppresses the production of bad taste. So the first half of coffee presents mainly good taste, and in the second half, when the good taste is almost dissolved, no.

2015-09-01
Five common coffee sugars for learning Italian coffee

Five common coffee sugars for learning Italian coffee

The same cup of black coffee, with different sugar will have a very different flavor. Among them, soft white sugar, cube sugar, white granulated sugar, rock sugar and yellow sugar are the most common types. Soft white sugar: no impurities, pure taste, low sweetness, easy to dissolve. Sugar cube: made from soft white sugar, dissolution efficiency is slightly lower than soft white sugar, but strong texture, suitable for blending flavor. White sugar: not easy to dissolve, warm

2014-10-09
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