Table 2.

Types of phytochemicals found in the five plant extracts.

	N. tabacum	N. rustica	A. indica	T. orientalis	M. azedarach
Phytosterols	+++	++	+++	+	++
Diterpenes	+++	+	++	+	+
Phenols	+++	+++	+++	+	++
Alkaloids	+++	+++	+++	+++	+
Flavonoids	++	+++	++	+	++
Saponin	++	++	++	+	+

+++ = high occurrence; ++ = moderate occurrence; + = low occurrence.