Identification of Potent Bioassay Guided Terpenoid and Glycoside Root Fractions of Astragalus candolleanus against Clinically Significant Bacterial Strains

Table 3

FTIR analysis of hydro-methanolic A. candolleanus root extract.

S. no.	Expected wave number (cm^−1)	Observed wave number	Characteristic functional group	Compound type
1	2850–2970; 1340–1470	1434.14; 2878.88	C-H	Alkane
2	1050–1300	1067.65	C-O	Alcohol, ether, carboxylic acid, esters
3	1500–1570; 1300–1370	1316.47; 1354.09	NO2	Nitro
4	1610–1680	1628.95	C=C	Alkenes
5	1690–1760	1736.97; 1751.44	C=O	Aldehyde, ketones, carboxylic acids, esters
6	3200–3600	3240.55	O-H	Phenols, hydrogen- bonded alcohols
7	3500–3650	3515.42	O-H	Monomeric carboxylic acids