Preliminary Investigation of Bioactive Compounds and Bioautographic Studies of Whole Plant Extract of Euphorbia pulcherrima on Escherichia coli, Staphylococcus aureus, Salmonella typhi, and Pseudomonas aeruginosa

Table 3

FT-IR spectra of the ethyl acetate extract.

Serial number	Peaks in ethyl acetate extract	Motion	Functional group
1	725.26; 825.56; 893.07	C–H bending out of plane	Aromatics
2	1041.6; 1180.47	C–N stretching; C–O–C stretch	Amines; esters
3	1249.91	C–C(O)–C	Esters
4	1373.36	CH3 bend	Alkanes
5	1456	CH3 bend	Alkanes
6	1612.54; 1651.12	N–H stretching	Nitrogenous compounds
7	3379.4	O–H stretch	Alcohol/phenol
8	1041.6	C–O stretch	Phenol
9	1724	C=O stretching	Aliphatic aldehydes
10	2856.67	Carboxylic acid O–H stretch	Acid
11	2924.18	C–H stretching	Aliphatic hydrocarbons