Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The main chemical composition of raw coffee beans.
| Ingredient Content (%) | |
|---|---|
| Carbohydrates 60.0 | (1) |
| Reducing sugar 1.0 | (2) |
| Sucrose 7.0 | (3) |
| Pectin 2.0 | (4) |
| Starch 10.0 | (5) |
| Pentan 5.0 | (6) |
| Hemicellulose 15.0 | (7) |
| Whole cellulose 18.0 | (8) |
| Lignin 2.0 | (9) |
| Grease 13.0 | (10) |
| Protein (N*6.25) 13.0 | (11) |
| Ash content (oxide) 4.0 | (12) |
| Tannic acid 13.0 | (13) |
| N-methylnicotinic acid (soluble) 1.0 | (14) |
| Caffeine (soluble) 1.0~~2.0 | (15) |
