Research Article
Antimicrobial Activity and Chemical Composition of “Kpètè-Kpètè”: A Starter of Benin Traditional Beer Tchoukoutou
Table 5
Chemical content of the tchoukoutou’s starter.
| Chemical groups | Subgroups | Test results |
| Alkaloids | | − |
| Polyphenolic compound | Tannins | ++ | Catechic tannins | ++ | Gallic tannins | − | Flavonoids | ++ flavone | Anthocyanin | − | Leucoanthocyanes | ++ |
| Quinone derivatives | | − |
| Saponosides | | − |
| Triterpenoids | | ++ | Steroids | | ++ | Cardenolides | | − |
| Cyanogenic compound | | − |
| Mucilage | | +++ |
| Coumarins | | − |
| Reducing compound | | +++ |
| Anthracene derivatives | Free anthracene | − | Combine anthracene: | | -O-Glycosides | − | -C-Glycosides | − |
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+++: great presence; ++: fair presence; −: absence.
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