Apa sajakah zat penyusun kopi tumbuk???

1. Kafein
2. Ethyphenol
3. Dicaffeoylquinic Acid
4. Acetylmethylcarbinol
5. Trigonelline
6. Dimethyl Disulfide
7. Putrescine
8. Niacin
9. Quinic Acid