Frying period (hr) Tiger nut oil (TNO) Sunflower oil (SO) TNO + SO(v/v) 10: 90       20:80       30: 70      40: 60         50: 50
0 2.80x ±0.13 2.40x ±0.15 2.40x ±0.55 2.40x ±0.35 2.50x ±0.15 2.50x ±0.35 2.50x ±0.48
5 4.12w ±0.21 5.55v ±0.09 5.11vw ±1.01 5.10vw ±0.35 5.00vw ±0.52 4.60vw ±0.34 4.44 vw ±0.33
10 6.32u ±0.34 9.34opq ±0.20 9.20pq ±1.05 8.63pqr ±0.73 8.00rst ±0.18 7.50st ±0.36 7.31t ±0.08
15 8.45qrs ±0.32 12.13kl ±0.22 11.00mn ±0.28 10.22no ±0.76 9.53op ±0.81 9.20pq ±0.63 9.00pqr ±0.55
20 12.60ijk ±0.59 14.65ef ±0.39 13.96fgh ±0.69 13.55ghi ±0.45 12.81ijk ±0.11 12.23jkl ±0.33 11.53lm ±0.47
25 13.25hij ±0.62 16.54c ±0.59 15.45de ±1.04 14..35fg ±0.18 14.00fgh ±0.47 13.41ghi ±0.64 13.21hij ±0.34
30 13.61ghi ±0.72 19.40a ±0.15 18.00b ±0.76 16.92c ±1.16 15.95cd ±1.02 14.46fg ±0.20 14.32fg ±0.22
LSD at 0.05 =0.9350
Data are expressed as mean ± SD. Values given represent means of three determinations Values followed by the same letter are not significantly different (p<0.05)
Table 5: Changes in total polar compounds (TPC) content (%w/w) of sunflower blended with different portions of Tiger nut oil during deep fat frying at (180°C ± 5°C).