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Table 7 Impact of Spray drying conditions on total omega-3 fatty acids retention in designer egg dried powder at different days and storage intervals

From: Fatty acids characterization and oxidative stability of spray dried designer egg powder

Spray dryer process run

Independent variables

Total omega-3 fatty acids (mg/50 g egg)

Inlet air temperature (°C)

Feed flow rate (mL/hr)

Atomization speed (rpm)

Outlet temperature (°C)

0 Day

Storage at Temperature 4 °C

Storage at Temperature 25 °C

30 Days

60 Days

30 Days

60 Days

1

160 (− 1)

300 (0)

16,000 (− 1)

70 (0)

161.54 ± 2.15ab

157.65 ± 2.21c

146.96 ± 2.28gh

149.19 ± 2.14f

134.11 ± 2.11m

2

180 (0)

200 (−1)

20,000 (0)

60 (−1)

150.43 ± 2.14ef

147.34 ± 2.22g

136.79 ± 2.07l

138.81 ± 2.01k

123.93 ± 2.02r

3

180 (0)

300 (0)

16,000 (−1)

80 (+ 1)

147.40 ± 2.47g

145.7 ± 2.33h

134.89 ± 2.12m

135.76 ± 1.80lm

120.08 ± 1.93st

4

180 (0)

400 (+ 1)

20,000 (0)

60 (−1)

159.34 ± 1.88b

155.3 ± 1.84d

145.29 ± 1.91h

147.64 ± 1.65g

132.88 ± 1.44n

5

180 (0)

200 (−1)

16,000 (− 1)

70 (0)

150.20 ± 2.11ef

146.44 ± 1.94gh

133.51 ± 1.72mn

138.07 ± 1.76k

124.06 ± 1.95qr

6

160 (−1)

300 (0)

24,000 (+ 1)

70 (0)

145.22 ± 1.88h

141.78 ± 1.53ij

131.29 ± 1.61no

133.06 ± 1.57mn

119.07 ± 1.44t

7(C1)

180 (0)

300 (0)

20,000 (0)

70 (0)

145.35 ± 1.52h

141.69 ± 1.88ij

131.63 ± 1.85no

134.75 ± 1.82m

118.77 ± 1.98tu

8(C2)

180 (0)

300 (0)

20,000 (0)

70 (0)

145.24 ± 1.57h

141.52 ± 1.85ij

131.31 ± 1.96no

134.72 ± 1.74m

118.85 ± 1.96tu

9

180 (0)

300 (0)

24,000 (+ 1)

60 (−1)

146.5 ± 1.78gh

142.91 ± 1.84i

132.87 ± 1.81n

134.16 ± 1.65m

119.84 ± 1.74t

10

200 (+ 1)

300 (0)

24,000 (+ 1)

70 (0)

128.21 ± 1.55p

124.41 ± 1.15qr

114.16 ± 1.32vw

116.71 ± 1.46uv

101.60 ± 1.65y

11(C3)

180 (0)

300 (0)

20,000 (0)

70 (0)

145.28 ± 1.69h

141.78 ± 1.58ij

131.46 ± 1.75no

134.81 ± 1.84m

118.63 ± 1.78tu

12(C4)

180 (0)

300 (0)

20,000 (0)

70 (0)

145.30 ± 1.63h

141.81 ± 1.52ij

131.56 ± 1.89no

134.68 ± 1.62m

118.78 ± 1.68tu

13

180 (0)

200 (−1)

20,000 (0)

80 (+ 1)

134.38 ± 1.81m

131.53 ± 1.61no

121.51 ± 1.72s

123.1 ± 1.74r

108.99 ± 1.83w

14

200 (+ 1)

400 (+ 1)

20,000 (0)

70 (0)

140.97 ± 1.95j

137.45 ± 1.84kl

127.98 ± 1.81pq

129.9 ± 1.96op

114.05 ± 1.75vw

15

160 (−1)

400 (+ 1)

20,000 (0)

70 (0)

157.92 ± 1.74c

154.93 ± 1.65de

144.53 ± 1.62hi

146.86 ± 1.56gh

131.33 ± 1.55no

16

180 (0)

400 (+ 1)

20,000 (0)

80 (+ 1)

154.08 ± 1.61de

140.19 ± 1.57j

129.98 ± 1.54op

132.06 ± 1.56n

116.25 ± 1.57uv

17

160 (− 1)

300 (0)

20,000 (0)

80 (+ 1)

146.42 ± 1.84gh

142.57 ± 1.75i

131.85 ± 1.87no

134.78 ± 1.71m

120.13 ± 1.76st

18

200 (+ 1)

300 (0)

20,000 (0)

80 (+ 1)

130.0 ± 1.34o

126.03 ± 1.23q

115.54 ± 1.26v

117.55 ± 1.21u

102.85 ± 1.32xy

19

160 (− 1)

200 (− 1)

20,000 (0)

70 (0)

149.42 ± 1.55f

146.2 ± 1.44gh

135.49 ± 1.48lm

137.79 ± 1.58kl

121.86 ± 1.41s

20

180 (0)

400 (+ 1)

16,000 (−1)

70 (0)

158.93 ± 1.72bc

156.51 ± 1.61cd

145.27 ± 1.85h

147.25 ± 1.74g

132.82 ± 1.68n

21

180 (0)

300 (0)

24,000 (+ 1)

80 (+ 1)

131.24 ± 1.91no

126.69 ± 1.82q

116.54 ± 1.64uv

117.8 ± 1.88u

103.63 ± 1.77x

22

180 (0)

300 (0)

16,000 (−1)

60 (−1)

162.33 ± 1.64a

158.61 ± 1.53bc

148.03 ± 1.57fg

151.56 ± 1.54e

135.89 ± 1.62lm

23

180 (0)

400 (+ 1)

24,000 (+ 1)

70 (0)

141.97 ± 1.46ij

139.86 ± 1.45jk

128.53 ± 1.46p

131.54 ± 1.53no

115.64 ± 1.32v

24

160 (−1)

300 (0)

20,000 (0)

60 (−1)

161.45 ± 1.51ab

157.86 ± 1.42c

147.7 ± 1.55g

150.81 ± 1.48ef

134.82 ± 1.37m

25(C5)

180 (0)

300 (0)

20,000 (0)

70 (0)

145.45 ± 1.42h

141.67 ± 1.81ij

131.55 ± 1.72no

134.55 ± 1.93m

118.95 ± 1.58tu

26

200 (+ 1)

300 (0)

16,000 (−1)

70 (0)

145.38 ± 1.45h

141.78 ± 1.44ij

130.32 ± 1.33o

132.57 ± 1.32n

118.34 ± 1.41tu

27

180 (0)

200 (−1)

24,000 (+ 1)

70 (0)

133.00 ± 1.32mn

130.02 ± 1.21o

118.69 ± 1.22tu

122.1 ± 1.34rs

106.71 ± 1.28wx

28

200 (+ 1)

200 (− 1)

20,000 (0)

70 (0)

132.85 ± 1.25n

129.54 ± 1.24op

117.74 ± 1.28u

121.01 ± 1.22s

106.16 ± 1.31wx

29

200 (+ 1)

300 (0)

20,000 (0)

60 (−1)

144.7 ± 1.44hi

141.44 ± 1.32ij

130.32 ± 1.44o

133.58 ± 1.28mn

117.99 ± 1.33u

  1. C1,C2,C3,C4,C5represent spraying drying process at center points
  2. Experimental model = Box-Behnken design
  3. Total number of spray drying treatments = 29
  4. No of replicates = 03
  5. a-yvalues with similar letters show homogenous group within row and column (p > 0.05)