Research Article

Impact of Roasting on Fatty Acids, Tocopherols, Phytosterols, and Phenolic Compounds Present in Plukenetia huayllabambana Seed

Table 2

Fatty acids content1,2 of P. huayllabambana seed (g/100 g, DM) submitted to different roasting conditions.

Fatty acidControlRoasting conditions
100°C120°C140°C160°C
10 min20 min30 min10 min20 min30 min10 min20 min30 min10 min20 min30 min

Palmitic2.5 ± 0.03.4 ± 0.43.6 ± 0.43.8 ± 0.23.0 ± 0.13.1 ± 0.13.3 ± 0.13.0 ± 0.13.3 ± 0.33.4 ± 0.33.2 ± 0.53.6 ± 0.33.6 ± 0.0
Stearic2.0 ± 0.42.0 ± 0.12.2 ± 0.12.4 ± 0.01.9 ± 0.12.0 ± 0.22.0 ± 0.01.9 ± 0.02.0 ± 0.22.1 ± 0.22.0 ± 0.42.3 ± 0.22.2 ± 0.0
Oleic 4.8 ± 0.16.3 ± 0.86.6 ± 0.76.7 ± 0.45.8 ± 0.45.9 ± 0.06.1 ± 0.05.7 ± 0.06.3 ± 0.26.2 ± 0.25.9 ± 0.66.4 ± 0.56.4 ± 0.1
Linoleic 12.0 ± 1.016.0 ± 2.717.3 ± 3.017.3 ± 0.215.3 ± 0.815.7 ± 0.715.9 ± 0.115.1 ± 0.116.2 ± 0.216.3 ± 0.215.2 ± 1.016.1 ± 1.216.5 ± 0.2
α-Linolenic 25.2 ± 0.131.9 ± 0.834.2 ± 3.933.9 ± 0.130.8 ± 1.330.7 ± 1.331.5 ± 0.030.2 ± 0.132.1 ± 0.531.9 ± 0.529.9 ± 1.831.8 ± 2.132.6 ± 0.2
SFA4.5 ± 0.35.3 ± 0.85.8 ± 0.76.1 ± 0.44.9 ± 0.45.1 ± 0.05.3 ± 0.04.9 ± 0.05.3 ± 0.25.5 ± 0.25.1 ± 0.65.9 ± 0.55.8 ± 0.1
PUFA37.1 ± 1.047.9 ± 6.451.5 ± 6.851.1 ± 0.146.1 ± 2.146.4 ± 2.047.4 ± 0.045.3 ± 0.048.3 ± 0.748.1 ± 0.745.1 ± 2.847.9 ± 3.349.1 ± 0.3

Average ± SD of three replicates.
2Values within a row followed by different letters stand for significant differences ().
Saturated fatty acids.
Polyunsaturated fatty acids.