About the ingredients of coffee

The composition of coffee varies slightly depending on the origin, variety, climate and other factors, and scholars may draw different conclusions in different ways of research.

The better known ingredients are as follows:

Composition

Caffeine

Mineral substance

Tannic acid

Sugar

Water content

Fat

Crude fiber

Protein

Extractives

Proportion

Unripe

1.5

four

six

eight

eleven

11.5

twenty-eight

thirteen

seventeen

Baking

1.5

five

four

1.5

2.5

thirteen

twenty-nine

fourteen

29.5