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Table 3 Extraction yields and phytochemical composition of the plant extracts

From: Antibacterial activity of six medicinal Cameroonian plants against Gram-positive and Gram-negative multidrug resistant phenotypes

Plant extract (used part)

Extraction yield (%)

Phytochemicals groups

Alkaloids

Triterpenes

Sterols

Flavonoids

Polyphenols

Saponins

A. boonei (leaves)

15.8 %

-

-

+

-

+

+

A. boonei (bark)

9.65 %

+

+

+

+

+

+

A. conyzoïdes (whole plant)

8.52 %

-

+

+

-

-

+

C. macrostachys (Leaves)

12.72 %

-

+

+

-

+

+

C. obtusifolia (whole plant)

7.11 %

+

+

+

+

+

+

C. roseus (leaves)

6.89 %

+

-

+

+

+

+

C. roseus (stem)

4.23 %

+

+

+

+

+

-

P. pinnata (leaves)

10.84 %

-

+

+

-

+

+

P. pinnata (stem)

5.47 %

-

+

+

-

+

+

  1. +: presence; −: absence