Table 10.

FTIR Interpretation of the n-hexane extract of the Carica papaya seed.

S/N	Test sample (cm−1)	Reference standard (cm−1)	Functional group Assignment	Identified compound
1	709.83	665–730	C=C bend	Alkene
2	709.83	665–730	C=C bend	Alkene
3	848.71	550–850	C-Cl stretch	halo compound
4	1165.04	1163–1210	C-O stretch	ester compound
5	1226.77	1220–1275	C-O stretch	alkyl aryl ether
6	1357.93	1310–1390	O-H bend	Phenol
7	1357.93	1310–1390	O-H bend	Phenol
8	1442.8	1350–1480	C-H bend	Alkane
9	1612.54	1566–1650	C=C stretch	cyclic alkene
10	1728.28	1720–1740	C=O stretch	aldehyde
11	1913.45	1900–2000	C=C=C stretch	allene group
12	2067.76	1990–2140	N=C=S stretch	Isothiocyanate
13	2314.66	2300–2400	O=C=O stretch	carbonate
14	2654.14	2600–2800	C-H stretch	Alkane
15	2854.74	2850–2960	C-H stretch	Alkane
16	2924.18	2850–2960	C-H stretch	Alkane
17	3155.65	3100–3200	O-H stretch	Alcohol
18	3263.66	3200–3400	O-H stretch	Alcohol
19	3456.55	3350–3500	N-H stretch	Amine
20	3587.72	>3500	O-H stretch	Alcohol
21	3803.75	>3500	O-H stretch	Alcohol
22	3927.2	>3500	O-H stretch	Alcohol