The design and evaluation of ciprofloxacin-loaded nanoformulations using Ipomoea batatas starch nanoparticles

Future Journal of Pharmaceutical Sciences

Table 5 Table of untreated potato starch (UPS) and chemically treated starch nanoparticles (CTSN) wavenumbers depicted in FTIR analysis with corresponding functional groups

UPS		CTSN-3 days		CTSN-6 days		Functional group
Wavenumber (cm⁻¹)	Description	Wavenumber (cm⁻¹)	Description	Wavenumber (cm⁻¹)	Description	Functional group
3268	Strong broad peak	3284	Weak broad peak	3278	Medium broad peak	O–H
2931	Weak peak	2928	Weak peak	2924	Weak peak	C–H
2888	Very weak peak	–	–	2884	Very weak peak	C–H
1637	Weak broad peak	1635	Very weak broad peak	1629	Weak broad peak	H₂O
995	Strong sharp peak	998	Medium sharp peak	999	Strong sharp peak	C–O
925	Weak sharp peak	925	Weak sharp peak	927	Weak sharp peak	C–O–C