Research Article

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

Table 4

Impact of spray-drying conditions on peroxide value in the flaxseed oil dried powder at different days and storage intervals.

Spray-dryer process runIndependent variablesPeroxide value (meq/kg O2)
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)0.17 ± 0.0d0.22 ± 0.04cd0.29 ± 0.06bc0.35 ± 0.07b0.58 ± 0.08ab
2140 (0)250 (0)12000 (‒1)60 (‒1)0.16 ± 0.0d0.22 ± 0.04cd0.29 ± 0.06bc0.36 ± 0.08b0.59 ± 0.08a
3140 (0)200 (‒1)16000 (0)80 (+1)0.18 ± 0.04cd0.23 ± 0.05c0.30 ± 0.07bc0.36 ± 0.08b0.60 ± 0.09a
4120 (‒1)200 (‒1)16000 (0)70 (0)0.16 ± 0.02d0.21 ± 0.03cd0.28 ± 0.04bc0.34 ± 0.05b0.57 ± 0.06ab
5160 (+1)300 (+1)16000 (0)70 (0)0.19 ± 0.04cd0.24 ± 0.06c0.31 ± 0.06bc0.37 ± 0.07b0.62 ± 0.07a
6 (C1)140 (0)250 (0)16000 (0)70 (0)0.18 ± 0.03cd0.23 ± 0.04c0.30 ± 0.05bc0.35 ± 0.05b0.58 ± 0.06ab
7120 (‒1)250 (0)16000 (0)80 (+1)0.16 ± 0.02d0.21 ± 0.03cd0.28 ± 0.04bc0.34 ± 0.05b0.57 ± 0.05ab
8 (C2)140 (0)250 (0)16000 (0)70 (0)0.18 ± 0.05cd0.24 ± 0.07c0.30 ± 0.07bc0.35 ± 0.08b0.58 ± 0.08ab
9140 (0)200 (‒1)16000 (0)60 (‒1)0.18 ± 0.03cd0.23 ± 0.04c0.30 ± 0.05bc0.35 ± 0.06b0.58 ± 0.07ab
10160 (+1)250 (0)16000 (0)60 (‒1)0.20 ± 0.05cd0.25 ± 0.06c0.31 ± 0.07bc0.37 ± 0.08b0.62 ± 0.09a
11160 (+1)250 (0)12000 (‒1)70 (0)0.18 ± 0.03cd0.23 ± 0.04c0.30 ± 0.05bc0.36 ± 0.05b0.59 ± 0.06a
12120 (‒1)250 (0)12000 (‒1)70 (0)0.16 ± 0.02d0.21 ± 0.03cd0.28 ± 0.04bc0.34 ± 0.05b0.57 ± 0.05ab
13140 (0)200 (‒1)20000 (‒1)70 (0)0.17 ± 0.04d0.23 ± 0.04c0.29 ± 0.05bc0.35 ± 0.05b0.58 ± 0.06ab
14120 (‒1)250 (0)16000 (0)60 (‒1)0.16 ± 0.03d0.21 ± 0.04cd0.28 ± 0.05bc0.34 ± 0.06b0.57 ± 0.07ab
15 (C3)140 (0)250 (0)16000 (0)70 (0)0.18 ± 0.04cd0.24 ± 0.05c0.30 ± 0.06bc0.35 ± 0.06b0.58 ± 0.07ab
16120 (‒1)300 (+1)16000 (0)70 (0)0.16 ± 0.03d0.21 ± 0.04cd0.28 ± 0.04bc0.36 ± 0.05b0.60 ± 0.06a
17140 (0)250 (0)12000 (‒1)80 (+1)0.17 ± 0.04d0.22 ± 0.05cd0.29 ± 0.06bc0.34 ± 0.06b0.57 ± 0.07ab
18 (C4)140 (0)250 (0)16000 (0)70 (0)0.18 ± 0.04cd0.24 ± 0.05c0.30 ± 0.06bc0.35 ± 0.07b0.58 ± 0.07ab
19140 (0)300 (+1)16000 (0)80 (+1)0.18 ± 0.04cd0.23 ± 0.05c0.29 ± 0.06bc0.35 ± 0.07b0.58 ± 0.08ab
20160 (+1)250 (0)16000 (0)80 (+1)0.19 ± 0.05cd0.24 ± 0.06c0.30 ± 0.07bc0.36 ± 0.08b0.59 ± 0.09a
21140 (0)300 (+1)12000 (‒1)70 (0)0.18 ± 0.04cd0.23 ± 0.05c0.30 ± 0.06bc0.35 ± 0.06b0.58 ± 0.07ab
22120 (‒1)250 (0)20000 (+1)70 (0)0.16 ± 0.03d0.21 ± 0.04cd0.28 ± 0.05bc0.34 ± 0.06b0.57 ± 0.07ab
23140 (0)250 (0)20000 (+1)80 (+1)0.17 ± 0.04d0.22 ± 0.05cd0.29 ± 0.06bc0.35 ± 0.07b0.58 ± 0.08ab
24140 (0)300 (+1)20000 (+1)70 (0)0.18 ± 0.04cd0.23 ± 0.05c0.30 ± 0.06bc0.36 ± 0.07b0.59 ± 0.09a
25140 (0)250 (0)20000 (+1)60 (‒1)0.17 ± 0.04d0.22 ± 0.05cd0.29 ± 0.05bc0.35 ± 0.06b0.58 ± 0.07ab
26160 (+1)250 (0)20000 (+1)70 (0)0.19 ± 0.05cd0.24 ± 0.06c0.31 ± 0.07bc0.36 ± 0.08b0.58 ± 0.09ab
27160 (+1)200 (‒1)16000 (0)70 (0)0.19 ± 0.05cd0.24 ± 0.06c0.30 ± 0.07bc0.36 ± 0.08b0.59 ± 0.09a
28140 (0)200 (‒1)12000 (‒1)70 (0)0.17 ± 0.04d0.23 ± 0.05c0.29 ± 0.06bc0.35 ± 0.06b0.58 ± 0.07ab
29 (C5)140 (0)250 (0)16000 (0)70 (0)0.18 ± 0.04cd0.24 ± 004c0.30 ± 0.05bc0.35 ± 0.06b0.58 ± 0.07ab
30 (C6)140 (0)250 (0)16000 (0)70 (0)0.18 ± 0.05cd0.24 ± 0.05c0.30 ± 0.06bc0.35 ± 0.07b0.58 ± 0.08ab

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-dValues with similar letters show homogenous groups within the row and column ().