Research Article

OMEGA-3 Fatty Acids Retention, Oxidative Quality, and Sensoric Acceptability of Spray-Dried Flaxseed Oil

Table 6

Impact of spray-drying conditions on conjugated dienes in flaxseed oil dried powder at different days and storage intervals.

Spray-dryer process runIndependent variablesConjugated dienes
Inlet air temperature (°C)Feed flow rate (mL/hr)Atomization speed (rpm)Outlet temperature (°C)0 daysStorage at temperature 4°CStorage at temperature 25°C
30 days60 days30 days60 days

1140 (0)300 (+1)16000 (0)60 (‒1)0.20 ± 0.04ef0.21 ± 0.05e0.23 ± 0.06d0.24 ± 0.07cd0.26 ± 0.07bc
2140 (0)250 (0)12000 (‒1)60 (‒1)0.20 ± 0.03ef0.21 ± 0.04e0.23 ± 0.05d0.24 ± 0.05cd0.26 ± 0.06bc
3140 (0)200 (‒1)16000 (0)80 (+1)0.21 ± 0.04e0.22 ± 0.05de0.24 ± 0.06cd0.25 ± 0.06c0.27 ± 0.07b
4120 (‒1)200 (‒1)16000 (0)70 (0)0.19 ± 0.02f0.21 ± 0.03e0.22 ± 0.04de0.23 ± 0.05d0.25 ± 0.05c
5160 (+1)300 (+1)16000 (0)70 (0)0.23 ± 0.05d0.24 ± 0.06cd0.26 ± 0.07bc0.26 ± 0.08bc0.27 ± 0.08b
6 (C1)140 (0)250 (0)16000 (0)70 (0)0.21 ± 0.04e0.22 ± 0.05de0.24 ± 0.06cd0.25 ± 0.07c0.27 ± 0.08b
7120 (‒1)250 (0)16000 (0)80 (+1)0.20 ± 0.03ef0.21 ± 0.04e0.23 ± 0.05d0.24 ± 0.06cd0.26 ± 0.07bc
8 (C2)140 (0)250 (0)16000 (0)70 (0)0.21 ± 0.05e0.22 ± 0.06de0.24 ± 0.06cd0.25 ± 0.07c0.27 ± 0.08b
9140 (0)200 (‒1)16000 (0)60 (‒1)0.20 ± 0.03ef0.21 ± 0.03e0.23 ± 0.04d0.24 ± 0.05cd0.26 ± 0.06bc
10160 (+1)250 (0)16000 (0)60 (‒1)0.23 ± 0.05d0.24 ± 0.06 cd0.26 ± 0.07bc0.27 ± 0.08b0.28 ± 0.09ab
11160 (+1)250 (0)12000 (‒1)70 (0)0.22 ± 0.04de0.23 ± 0.05d0.25 ± 0.06c0.25 ± 0.07c0.26 ± 0.08bc
12120 (‒1)250 (0)12000 (‒1)70 (0)0.19 ± 0.02f0.20 ± 0.04ef0.22 ± 0.05de0.23 ± 0.06d0.25 ± 0.07c
13140 (0)200 (‒1)20000 (‒1)70 (0)0.21 ± 0.04e0.23 ± 0.05d0.25 ± 0.05c0.25 ± 0.06c0.27 ± 0.06b
14120 (‒1)250 (0)16000 (0)60 (‒1)0.18 ± 0.01fg0.20 ± 0.02ef0.22 ± 0.03de0.23 ± 0.04d0.25 ± 0.05c
15 (C3)140 (0)250 (0)16000 (0)70 (0)0.21 ± 0.04e0.22 ± 0.05de0.24 ± 0.05cd0.25 ± 0.06c0.27 ± 0.07b
16120 (‒1)300 (+1)16000 (0)70 (0)0.19 ± 0.02f0.20 ± 0.03ef0.23 ± 0.03d0.24 ± 0.04cd0.25 ± 0.05c
17140 (0)250 (0)12000 (‒1)80 (+1)0.22 ± 0.04de0.24 ± 0.05cd0.26 ± 0.07bc0.27 ± 0.07b0.29 ± 0.08a
18 (C4)140 (0)250 (0)16000 (0)70 (0)0.21 ± 0.04e0.22 ± 0.05de0.24 ± 0.06cd0.25 ± 0.07c0.27 ± 0.08b
19140 (0)300 (+1)16000 (0)80 (+1)0.22 ± 0.05de0.23 ± 0.05d0.24 ± 0.06cd0.25 ± 0.07c0.27 ± 0.08b
20160 (+1)250 (0)16000 (0)80 (+1)0.23 ± 0.05d0.24 ± 0.06cd0.26 ± 0.06bc0.27 ± 0.07b0.29 ± 0.09a
21140 (0)300 (+1)12000 (‒1)70 (0)0.21 ± 0.04e0.22 ± 0.05de0.23 ± 0.06d0.24 ± 0.07cd0.26 ± 0.07bc
22120 (‒1)250 (0)20000 (+1)70 (0)0.20 ± 0.03ef0.21 ± 0.04e0.22 ± 0.05de0.23 ± 0.06d0.25 ± 0.06c
23140 (0)250 (0)20000 (+1)80 (+1)0.22 ± 0.04de0.23 ± 0.05d0.24 ± 0.06cd0.25 ± 0.07c0.27 ± 0.08b
24140 (0)300 (+1)20000 (+1)70 (0)0.21 ± 0.04e0.22 ± 0.05de0.24 ± 0.06cd0.25 ± 0.07c0.26 ± 0.08bc
25140 (0)250 (0)20000 (+1)60 (‒1)0.20 ± 0.02ef0.21 ± 0.87e0.22 ± 0.81de0.23 ± 0.77d0.25 ± 0.68c
26160 (+1)250 (0)20000 (+1)70 (0)0.23 ± 0.05d0.24 ± 0.06cd0.26 ± 0.06bc0.26 ± 0.07bc0.27 ± 0.08b
27160 (+1)200 (‒1)16000 (0)70 (0)0.23 ± 0.05d0.24 ± 0.05cd0.26 ± 0.06bc0.27 ± 0.07b0.28 ± 0.08ab
28140 (0)200 (‒1)12000 (‒1)70 (0)0.22 ± 0.04de0.23 ± 0.05d0.25 ± 0.06c0.26 ± 0.07bc0.28 ± 0.09ab
29 (C5)140 (0)250 (0)16000 (0)70 (0)0.21 ± 0.03e0.23 ± 0.04d0.25 ± 0.05c0.25 ± 0.06c0.27 ± 0.07b
30 (C6)140 (0)250 (0)16000 (0)70 (0)0.21 ± 0.04e0.22 ± 0.05de0.24 ± 0.06cd0.25 ± 0.07c0.27 ± 0.08b

C1,C2,C3,C4,C5,C6Spray-drying process at center points. Experimental model = Box–Behnken design. Total number of spray-drying treatments = 30. Number of replicates = 03. a-fgValues with similar letters show homogenous groups within the row and column ().