Antibacterial Activities of Selected Cameroonian Plants and Their Synergistic Effects with Antibiotics against Bacteria Expressing MDR Phenotypes
Table 3
Extraction yields, aspects, and phytochemical composition of the plant extracts.
Scientific names
Part used
Yield (%)
Physical aspect
Phytochemical composition
Alkaloids
Flavonoids
Phenols
Tannins
Anthraquinones
Anthocyanins
Triterpenes
Sterols
Saponins
Picralima nitida
Fruits
13.56
Brown paste
+
+
+
−
+
+
+
−
+
Seeds
17.27
Brown paste
+
+
+
+
+
−
+
−
+
Citrus medica
Fruits
14.06
Brown paste
−
+
+
−
−
−
−
−
−
Allium sativum
Dry bulbs
18.99
Yellow powder
−
−
−
−
−
−
−
−
−
Fresh bulbs
4.04
Brown powder
−
−
−
−
−
−
−
−
−
Buchholzia coriacea
Seeds
6.36
Brown paste
+
−
−
−
+
−
−
−
−
Cola acuminata
Seeds
8.81
Brown paste
+
−
+
+
+
−
+
−
+
Garcinia kola
Seeds
13.56
Dark brown paste
+
−
+
+
+
−
+
−
+
Garcinia lucida
Seeds
23.92
Brown paste
+
+
+
+
+
−
−
−
−
Carica papaya
Seeds
6.33
Oily paste
+
+
+
−
−
−
−
−
−
Allium cepa
Fresh bulbs
18.93
Brown paste
−
+
+
+
−
−
−
−
−
Dry bulbs
49.26
Brown paste
−
+
+
−
−
−
−
−
−
(+): present; (−): absent; *The yield was calculated as the ratio of the mass of the obtained methanol extract/mass of the plant powder or fresh sample.
