Fatty Acid Profile and Chemical Composition of Oil from Six Varieties of Lupine (Lupinus mutabilis) Consumed in Peru

Table 1

Physicochemical analysis of lupine varieties.

Physicochemical analysis	Cholo fuerte	Andenes	Yunguyo	Patón grande	Alta gracia	Common lupine
Total fat (%)	18.38 ± 0.32^a	21.16 ± 0.11^b	20.38 ± 0.15^bcd	19.80 ± 0.36^d	18.80 ± 0.27^a	18.38 ± 0.45^a
Moisture (%)	0.35 ± 0.11^a	0.32 ± 0.23^a	0.36 ± 0.4^a	0.28 ± 0.35^a	0.31 ± 0.09^a	0.27 ± 0.02^a
Acidity index (mg·KOH/g)	2.30 ± 0.06^a	2.36 ± 0.24^a	2.45 ± 0.36^a	2.52 ± 0.21^a	2.45 ± 0.16^a	2.36 ± 0.16^a
Free fatty acids (%)	1.76 ± 0.02^a	1.63 ± 0.12^a	1.71 ± 0.12^a	1.74 ± 0.24^a	1.69 ± 0.51^a	1.65 ± 0.51^a
Peroxide value (mEq·O2)/kg of the sample	2.84 ± 0.05^a	2.92 ± 0.26^a	3.09 ± 0.3^a	3.21 ± 0.22^a	2.78 ± 0.26^a	2.65 ± 0.28^a
Iodine value (mg·I2/g)	68.81 ± 0.01^a	61.01 ± 0.16^b	65.87 ± 0.11^c	67.42 ± 0.11^d	68.34 ± 0.36^a	69.33 ± 0.36^ae
Saponification index (mg·KOH/g)	183.07 ± 0.12^a	181.2 ± 0.02^b	179.91 ± 0.23^c	186.45 ± 0.2^d	183.79 ± 0.04^e	186.23 ± 0.16^fd
Density at 25°C	0.91 ± 0.22^a	0.92 ± 0.01^a	0.91 ± 0.05^a	0.91 ± 0.06^a	0.92 ± 0.05^a	0.92 ± 0.06^a

Note. Results are expressed as means ± standard deviation (n = 3). The different superscripts in the same row indicate statistically significant differences ().