Nutritional Properties and In Vitro Antidiabetic Activities of Blue and Yellow Corn Extracts: A Comparative Study

Table 1

Fatty acid profile quantified (g/kg) in the BCE and Fraction II.

No.	RT		Fatty acid	CHIH 365 FI	CHIH 365 F II	CHIH 367	CHIH 503	OPOKA	KUSKUN
1	7.70	C14 : 0	Tetradecanoic acid	0.02 ± 0.01a	0.01 ± 0.01a	0.02 ± 0.01a	0.02 ± 0.01a	0.02 ± 0.01a	0.02 ± 0.01a
2	10.25	C15 : 0	Pentadecanoic acid	0.01 ± 0.01a	0.02 ± 0.01a	0.01 ± 0.01a	0.01 ± 0.01a	0.01 ± 0.01a	0.01 ± 0.01a
3	13.20	C16 : 0	Palmitic acid	4.92 ± 0.26bab	5.13 ± 0.29a	5.14 ± 0.34a	4.55 ± 0.21c	4.24 ± 0.18d	4.38 ± 0.14d
4	13.70	C16 : 1	Palmitoleic acid (9Z)	0.02 ± 0.01a	0.02 ± 0.01a	0.03 ± 0.01a	0.02 ± 0.01a	0.02 ± 0.01a	0.02 ± 0.01a
5	13.90	C16 : 1	11-Hexadecenoic acid (11Z)	0.06 ± 0.01a	0.06 ± 0.01a	0.06 ± 0.01a	0.05 ± 0.01a	0.06 ± 0.01a	0.06 ± 0.01a
6	16.40	C17 : 0	Heptadecenoic acid	0.07 ± 0.01a	0.05 ± 0.01a	0.07 ± 0.01a	0.10 ± 0.01a	0.04 ± 0.01	0.05 ± 0.01a
7	17.20	C17 : 1	Heptadec-10-enoic acid (10E)	0.02 ± 0.01b	0.01 ± 0.01a	0.03 ± 0.01b	0.02 ± 0.01a	0.03 ± 0.01c	0.02 ± 0.01c
8	20.01	C18 : 0	Stearic acid	1.41 ± 0.08c	1.13 ± 0.033b	1.66 ± 0.13a	1.52 ± 0.10b	1.29 ± 0.04d	1.26 ± 0.05d
9	20.70	C18 : 1	Oleic acid	12.33 ± 1.05ab	12.42 ± 0.98d	11.32 ± 1.13a	11.82 ± 1.01b	12.65 ± 0.92d	11.18 ± 1.01c
10	20.85	C18 : 1	12-Octadecenoic acid (12Z)	0.30 ± 0.02a	0.11 ± 0.02a	0.27 ± 0.02b	0.25 ± 0.01c	0.32 ± 0.02a	0.26 ± 0.02c
11	22.20	C18 : 2	Linoleic acid	13.08 ± 1.07a	13.56 ± 0.75b	11.39 ± 0.98b	11.52c ± 0.81c	11.85 ± 1.02ab	11.22 ± 1.04bc
12	24.50	C18 : 3	α-Linolenic acid	0.45 ± 0.02b	0.25 ± 0.03d	0.32 ± 0.02d	0.34 ± 0.02d	0.51 ± 0.04a	0.38 ± 0.02c
13	25.45	C18 : 2	9,11-Octadecadienoic acid (9Z,11Z)	Trace	Trace	Trace	0.52 ± 0.03a	0.30 ± 0.01c	0.32 ± 0.01b
14	25.85	C18 : 2	9,11-Octadecadienoic acid (9Z,11 E)	Trace	Trace	Trace	0.45 ± 0.02a	0.28 ± 0.01b	0.24 ± 0.01c
15	26.80	C20 : 0	Eicosanoic acid	0.31 ± 0.02ab	0.21 ± 0.01a	0.35 ± 0.02a	0.34 ± 0.02a	0.29 ± 0.02b	0.32 ± 0.02ab
16	27.20	C20 : 1	11-Eicosenoic acid (11Z)	0.12 ± 0.01a	0.15 ± 0.02a	0.12 ± 0.01a	0.11 ± 0.01a	0.13 ± 0.01a	0.10 ± 0.01a
17	28.00	C18 : 2	Octadeca-10,12-dienoic acid (10E, 12Z)	0.22 ± 0.01c	0.33 ± 0.03d	0.30 ± 0.02b	1.10 ± 0.08a	0.01 ± 0.01e	0.11 ± 0.01d
18	30.20	C22 : 0	Docosanoic acid	0.13 ± 0.01d	0.24 ± 0.01d	0.22 ± 0.01a	0.19 ± 0.01b	0.22 ± 0.02a	0.14 ± 0.01d
19	33.25	C24 : 0	Tetracosanoic acid	0.13 ± 0.01c	0.12 ± 0.02d	0.16 ± 0.01b	0.14 ± 0.01c	0.25 ± 0.02a	0.25 ± 0.02a

Expressed as methyl esters according to GC-MS chromatogram. a–e: homogeneous groups according to Duncan’s test.