Antibacterial and Antibiofilm Activity of Methanolic Plant Extracts against Nosocomial Microorganisms

Table 4

Phytochemical screening results of selected methanolic extracts.

Compounds	P. laevigata	O. ficus-indica	G. microcephala
Unsaturation	—	++	++
Triterpenes/steroids	++/Steroids	++/Triterpenes	+++/Triterpenes
Coumarins	+++	+	+++
Alkaloids	+++	—	—
Sesquiterpene lactones	—	—	++
Quinones	—	+	+
Carboxyl group	—	—	—
Tannins	+++	++	+++
Saponins	—	—	—
Carbohydrates	++	+++	—
Flavonoids	++	+	++

+: low intensity reaction, ++: medium intensity reaction, and +++: strong intensity reaction.