Valorization of Food Waste to Produce Eco-Friendly Means of Corrosion Protection and “Green” Synthesis of Nanoparticles

Table 2

GC-MS analysis results of rape pomace extract.

RT (min)^a	Compound	RI^b	Percentage (%)
8.41	Guanosine^a	—	10.4
8.57	Sucrose^a	—	1.2
8.92	Xanthosine^a,b	1758	4.3
9.48	4-Hydroxy-3, 5-dimethoxybenzoic acid^a,b	1893	28.3
10.37	4-Hydroxy-3, 5-dimethoxybenzaldehyde^a,b	1662	20.5
10.42	Acetic acid^a,b	1090	1.6
15.14	n-Cyclohexyl-4-hydroxybutyramide^a,b		1.6
16.33	(9Z, 12Z)-9, 12-Octadecadienoic acid^a,b	2129	4.8
16.88	Hexadecanoic acid^a,b	2059	4.1
18.76	(9Z)-Octadec-9-enoicacid^a,b	2134	12.2
19.92	Octadecanoic acid^a,b	2157	2.0
22.75	Pyrrolidine, 1-(1-oxo-7,10-hexadecadienyl)^a	—	0.9
22.97	Ethanamine, 2, 2′-oxybis[N, N-dimethyl]-^a	—	0.9
23.37	7-Dehydrodiosgenin^a	—	2.1
23.87	Campesterol^a	—	1.1
23.99	γ-Sitosterol^a,b	3299	1.2
24.56	β-Sitosterol^a,b	3299	1.1
25.03	Ergosta-5, 22-dien-3-ol	—	2.4

^aRT: retention time; STD: standard compound; NIST 14. ^bRI: Kovats retention indices (RI) determined using a commercial hydrocarbon mixture (C9–C25) on the HP-5MS column.