Antibiotic-potentiation activities of four Cameroonian dietary plants against multidrug-resistant Gram-negative bacteria expressing efflux pumps

Table 2 Extraction yields and phytochemical composition of the studied plants

Extract	Capsicum frutescens	Brassica oleacera var. butyris	Brassica oleacera var. italica	Basilicum polystachyon
*Yield (%)**	7.22%	12.18%	7.31%	8.61%
Physical aspect	Oily brown and viscous	Oily brown and viscous	Oily brown and viscous	Compact
Alkaloids	+	+	+	+
Anthocyanins	-	-	-	-
Anthraquinones	-	-	-	-
Flavonoids	+	+	+	+
Phenols	+	+	+	+
Coumarins	-	-	-	+
Tannins	-	+	+	-
Triterpenes	+	+	+	+
Sterols	+	+	+	+
Saponins	-	+	-	+

(+): Present; (-): Absent; *yield calculated as the ratio of the mass of the obtained methanol extract/mass of the plant powder.

ISSN: 2662-7671