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There are two methods for grading raw coffee beans in terms of sieve size, size

There are two methods for grading raw coffee beans in terms of sieve size, size

There are two ways to classify raw coffee beans, one is the filter number, and the other is the elevation. It is divided by the filter number, and the size is size in terms of the screen size. Round beans are generally smaller than flat beans, between 8-13 and 12-29. 8, 9, 10. 12, 13. 18. 29 = small, medium, ordinary. Quasi-big. Big, extra large. The bigger the size, the bigger the beans. Like SC-.

2015-10-05
Manually select

Manually select "good beans" and "bad beans"

I agree that apples don't taste different because of their size, but when it comes to roasting coffee beans, they all have to be heated anyway, and it doesn't matter if the coffee beans are different in size. Coffee beans harvested from the same tree, regardless of size

2014-08-29
Identification of coffee beans: characteristics of soybeans and adzuki beans

Identification of coffee beans: characteristics of soybeans and adzuki beans

Coffee beans are not necessarily good beans if they are big, but small ones must be bad beans. The size of beans has little to do with the taste of coffee. However, the advantage of appearance is more advantageous when trading, and the size of beans is indeed a standard of grade. For example, in most countries such as Colombia, Brazil, Tanzania and so on, the size of beans determines the size of beans.

2015-04-20
Identification of coffee beans the characteristics of soybeans and adzuki beans

Identification of coffee beans the characteristics of soybeans and adzuki beans

Coffee beans are not necessarily good beans if they are big, but small ones must be bad beans. The size of beans has little to do with the taste of coffee. However, the advantage of appearance is more advantageous when trading, and the size of beans is indeed a standard of grade. For example, in most countries such as Colombia, Brazil, Tanzania and so on, the size of beans determines the size of beans.

2014-11-10
The skills of choosing

The skills of choosing "good beans" and "bad beans" Coffee basic knowledge

I agree that apples don't taste different because of their size, but when it comes to roasting coffee beans, they all have to be heated anyway, and it doesn't matter if the coffee beans are different in size. Coffee beans harvested from the same tree, regardless of size

2015-10-20
Grading of raw coffee beans

Grading of raw coffee beans

There are two ways to classify raw coffee beans, one is the filter number, and the other is the elevation. It is divided by the filter number, and the size is size in terms of the screen size. Round beans are generally smaller than flat beans, between 8-13 and 12-29. 8, 9, 10. 12, 13. 18. 29 = small, medium, ordinary. Quasi-big. Big, extra large. The bigger the size, the bigger the beans. Like SC-.

2014-07-01
How to use the coffee powder press how to use the powder press

How to use the coffee powder press how to use the powder press

Why are there different sizes of powder hammers? In fact, there are two sizes of powder hammer, the small size is about 49mm to 53mm (4.0cm to 5.2cm), and the large size is from 57.5mm to 58.5mm (5.75cm to 58.5cm). The difference in specification is mainly due to the problems of household Italian machines and commercial coffee machines. Large powder bowls are commonly used in commercial businesses, and every coffee maker company

2016-06-04
Classification of raw coffee beans in Coffee Encyclopedia

Classification of raw coffee beans in Coffee Encyclopedia

There are two ways to classify raw coffee beans, one is the filter number, and the other is the elevation. It is divided by the filter number, and the size is size in terms of the screen size. Round beans are generally smaller than flat beans, between 8-13 and 12-29. 8, 9, 10. 12, 13. 18. 29 = small, medium, ordinary. Quasi-big. Big, extra large. The bigger the size, the bigger the beans. Like SC-.

2014-09-19
General knowledge of fine coffee beans grading of raw coffee beans

General knowledge of fine coffee beans grading of raw coffee beans

There are two ways to classify raw coffee beans, one is the filter number, and the other is the elevation. It is divided by the filter number, and the size is size in terms of the screen size. Round beans are generally smaller than flat beans, between 8-13 and 12-29. 8, 9, 10. 12, 13. 18. 29 = small, medium, ordinary. Quasi-big. Big, extra large. The bigger the size, the bigger the beans. Like SC-.

2014-11-13
Coffee Ring effect will be used in Biological Detection

Coffee Ring effect will be used in Biological Detection

Xinhua News Agency, when spilling coffee on the table, pay a little attention to the marks left by the coffee droplets after the liquid evaporates, you will find that the edge of the droplets forms a dark ring that is much darker than the middle area, which means that the concentration of small coffee particles deposited at the edge is much higher than that in the middle area. This phenomenon of uneven deposition is called the coffee ring effect. It's not just

2015-11-06
Identification of coffee beans: differences in size, specification, altitude, quality and taste of coffee beans

Identification of coffee beans: differences in size, specification, altitude, quality and taste of coffee beans

A, coffee can be divided into washing type and non-washing type according to specifications, and can also be divided into flat beans and round beans. Washing type: in the sink, after rubbing with water and utensils, the pulp and colloid are removed and dried, which is called washing coffee bean with uniform quality. Non-washing type: after the sun is naturally dried, the pulp and peel is removed by a sheller, and its quality is unstable. The fruit of coffee is made up of two oval shapes

2015-12-07
Coffee bean selection method manual selection of

Coffee bean selection method manual selection of "good beans" and "bad beans"

Apples don't taste different because of size, which I agree with, but in the roasting of coffee beans, it doesn't matter if they're heated anyway. Coffee beans harvested from the same tree, regardless of size

2015-01-30
Those things about coffee extraction extraction and extraction equilibrium

Those things about coffee extraction extraction and extraction equilibrium

2. Extraction and extraction equilibrium s the reasonable extraction range is set by ebf, and the extraction results are tested by tds. Combined with the grinding scale and the ratio of gouache to powder to modify the results, it is the quality control system of most knowledge-based barista when making espresso. Under this seemingly rigorous operation process, will there be loopholes? Extraction uniformity is a monitoring blind area which is easy to be ignored.

2015-10-19
Those things about coffee extraction extraction and extraction equilibrium

Those things about coffee extraction extraction and extraction equilibrium

The reasonable extraction range was set by ebf, and the extraction results were tested by tds. Combined with the grinding scale and the ratio of gouache to powder to modify the results, it is the quality control system of most knowledge-based barista when making espresso. Under this seemingly rigorous operation process, will there be loopholes? Extraction uniformity is a monitoring blind area which is easy to be ignored. Uniform means to distribute or divide.

2015-01-23
Different cooking methods determine the thickness of coffee beans.

Different cooking methods determine the thickness of coffee beans.

Whether you use a hand grinder or an electric grinder, the degree of grinding of coffee powder must be determined according to the brewing method: fine grinding (fine particles, the same size as granulated sugar) is suitable for mocha pots and Italian coffee machines; medium grinding (particles are the same size as granulated sugar and coarse white sugar) are suitable for dripping coffee machines and hand flushing; rough grinding (coarse particles, the same size as coarse white sugar) is suitable for French pressing pot.

2014-09-12
Coffee Raw Bean sieve grading Table (SCREEN SIZING)

Coffee Raw Bean sieve grading Table (SCREEN SIZING)

Coffee is produced in more than 50 countries in the world, and different standards of raw bean classification have been derived, of which the most basic common classification method is the Screen Sizing classification method based on the particle size of raw coffee beans. The raw beans to be graded are put into the sieve plate and shaken continuously. Only the raw beans whose particles are larger than the pore diameter are retained, and the rest fall down.

2015-11-03
Coffee beans are not good-looking coffee beans of different sizes and shapes are beans from which area

Coffee beans are not good-looking coffee beans of different sizes and shapes are beans from which area

Mantenin has a strong taste, with a strong mellow and rich and lively sense of movement, neither astringent nor sour, mellow and bitter can be fully revealed. The appearance of Mantenin coffee beans is arguably the ugliest, but coffee fans say that the worse the Sumatran coffee beans are, the better, mellow and slippery they are. In addition to the mellow taste of Indonesian coffee, there is also a bitter sweet taste.

2016-05-09
Methods and skills of manual selection of coffee beans and defective coffee beans

Methods and skills of manual selection of coffee beans and defective coffee beans

I agree that apples don't taste different because of their size, but when it comes to roasting coffee beans, they all have to be heated anyway, and it doesn't matter if the coffee beans are different in size. Coffee beans harvested from the same tree, regardless of size

2015-09-14
Know a lot about high-quality coffee, how to select defective coffee beans and steps

Know a lot about high-quality coffee, how to select defective coffee beans and steps

Before selecting defective beans, raw beans need to be screened in order to make the beans uniform in size. You can use three different sizes of special custom screen, or you can use the metal screen sold in general horticultural shops, but pay attention to the size. The purpose of sieving is to separate the size of beans and remove impurities. The next step is hand-selected.

2014-09-02
The method of grading coffee beans by the American boutique coffee association

The method of grading coffee beans by the American boutique coffee association

Level 1: special sample size difference: less than 5% defects: 0-5 shall not contain significant defects total sample weight: 300 g sample size difference: less than 5% 5%, or in the delineated typical perimeter appreciation features: must be at least a little outstanding in the following features: taste, sour taste, taste, fragrance. Characteristics will be decided by the cooperation of both sides of the business. Through cup test and appreciation

2014-09-04
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