Proximate and Nutritional Composition of Stored Bulb Onions as Affected by Harvest and Postharvest Treatments
Table 5
Treatment effect on nutritional composition of stored bulb onions.
Treatments
Vitamin C (mg/100 g)
Zinc (mg/100 g)
Phosphorus (mg/100 g)
Potassium (mg/100 g)
Calcium (mg/100 g)
Sodium (mg/100 g)
Iron (mg/100 g)
75% TF-NC-TB
3.87 F
0.18 AB
18.86
104.85 BE
13.60 BCD
4.98 CDE
0.176 AB
75% TF-NC-TA
4.53 DE
0.09 AB
20.33
109.29 AE
14.04 BC
4.70 DEF
0.184 AB
75% TF-2WC-TB
5.95 B
0.13 AB
19.80
113.19 ABC
12.83 BCD
3.19 J
0.188 A
75% TF-2WC-TA
6.45 A
0.17 AB
20.56
113.82 AB
16.36 A
2.60 K
0.185 A
75% TF-1WC-TB
4.95 CD
0.11 AB
19.17
114.00 AB
12.34 BE
4.13 GH
0.179 AB
75% TF-1WC-TA
5.45 C
0.14 AB
20.77
115.10 A
14.82 AB
3.58 IJ
0.181 AB
50% TF-NC-TB
3.24 G
0.05 AB
19.55
103.97 CDE
10.81 DEF
4.98 CDE
0.176 AB
50% TF-NC-TA
3.74 F
0.07 AB
20.88
107.76 AE
12.53 BE
4.87 CDE
0.177 AB
50%TF-2WC-TB
4.94 CD
0.14 AB
19.68
110.27 AE
11.38 CF
3.70 HIJ
0.175 AB
50%TF-2WC-TA
5.34 C
0.15 AB
20.83
113.84 AB
13.70 BCD
3.33 IJ
0.178 AB
50%TF-1WC-TB
4.14 EF
0.25 A
19.88
107.21 AE
11.91 BF
4.45 EFG
0.174 AB
50%TF-1WC-TA
4.54 DE
0.13 AB
20.23
111.77 AD
13.04 BCD
4.28 FG
0.182 AB
25%TF-NC-TB
1.72 I
0.03 B
14.92
101.42 E
9.17 F
6.50 A
0.171 B
25%TF-NC-TA
2.37 H
0.04 B
16.48
104.37 BE
9.65 EF
5.60 B
0.176 AB
25%TF-2WC-TB
3.15 G
0.08 AB
18.50
104.58 BE
11.73 CF
4.33 FG
0.174 AB
25%TF-2WC-TA
3.97 EF
0.09 AB
18.83
109.63 AE
12.87 BCD
3.74 HI
0.177 AB
25%TF-1WC-TB
2.85 G
0.06 AB
17.10
103.47 DE
10.99 CF
5.34 C
0.178 AB
25%TF-1WC-TA
3.00 G
0.07 AB
18.50
105.42 BE
11.42 CF
5.09 CD
0.180 AB
value
<0.0001
0.027
0.132 (NS)
<0.0001
<0.0001
<0.0001
0.004
Standard error
0.155
0.041
1.345
2.016
0.661
0.138
0.003
Means followed by the same letter within the column are not significantly different based on SNK at alpha = 0.05, n = 108. TF = top fall; WC = weeks of curing; NC = no curing; TA = topping after; TB = topping before.
