Antibacterial and Antibiotic-Potentiating Activities of Thirteen Cameroonian Edible Plants against Gram-Negative Resistant Phenotypes
Table 1
Extraction yields and phytochemical composition of the plant extracts.
Plant extract
Part used
Yields (%)
ALK
POL
FLAV
ANTHR
TAN
TRI
STER
SAP
Azadirachta indica
Bark
10.3
+
+
-
-
+
-
+
+
Citrus grandis (Red)
Pericarp
13.4
+
+
+
-
+
+
+
-
Leaves
6.2
-
-
-
-
-
+
+
-
Citrus grandis (White)
Leaves
2.6
+
+
-
-
+
+
+
-
Cucurbita maxima
Beans
2.6
-
+
-
-
+
+
+
+
Dacryodes edulis
Leaves
6.2
-
+
+
+
+
+
+
+
Bark
9.1
-
+
-
+
+
+
+
+
Seeds
6.9
-
+
+
+
+
+
+
+
Hibiscus esculentus
Leaves
1.9
-
+
-
-
+
-
+
-
Ipomoea batatas
Beans
3.3
+
+
+
+
+
+
-
+
Irvingia gabonensis
Leaves
6.7
-
+
-
-
+
-
+
+
Phaseolus vulgaris
Leaves
1.2
-
+
-
-
+
-
+
+
Spondias mombin
Leaves
21.4
-
+
-
-
+
+
+
-
Saccharum officinarum
Leaves
8.4
-
+
-
-
+
-
+
+
Theobroma cacao
Leaves
3.1
-
+
-
-
+
+
+
+
Beans
6.2
+
+
+
+
+
+
+
+
Uapaca guineensis
Leaves
7.3
-
+
-
-
+
+
+
+
Bark
6.1
+
+
-
-
+
+
+
+
(-): absent; (+): present; yield calculated as the ratio of the mass of the obtained methanol extract/mass of the plant powder; ALK: alkaloids; ANTH: anthocyanins; ANTHR: anthraquinones; FLAV: flavonoids; POL: polyphenols; SAP: saponins; STER: steroids; TAN: tannins; TRI: triterpenes.
