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	−

+++: great presence; ++: fair presence; −: absence.