An Evaluation of the Antibacterial Activity of Pterocarpus tinctorius Bark Extract against Enteric Bacteria That Cause Gastroenteritis

Table 5

Phytochemicals present in active subfraction FM2 of P. tinctorius.

S. no.	Phytochemicals	Type of test	Present/absent
1	Alkaloids	Dragendorff’s	−
2	Phenolics	Ferric chloride	+++
3	Tannins	Ferric chloride	+++
4	Flavonoids	Alkaline reagent	++
5	Saponins	Froth test	+

+++ = intense, ++ = intermediate, + = low, and − = absent.