Determination of Macro- and Microelements in the Inflorescences of Banana Tree Using ICP OES: Evaluation of the Daily Recommendations of Intake for Humans
Table 6
Nonmetals and heavy metals quantified in banana inflorescences (flowers and bracts) compared to nutritional recommendations for adults, children, and pregnancy.
Flowers (mg/100 g)
Bracts (mg/100 g)
Males 31–50 y
females 31–50 y
Males/females 31–50 y
Children 4–8 y
Pregnancy 31–50 y
Edible plant
1RDA/AI (mg/day)
1RDA/AI (mg/day)
UL (mg/day
1RDA/AI (mg/day)
UL (mg/day)
1RDA/AI (mg/day)
UL (mg/day)
2FAO/WHO (mg/100 g)
Nonmetals
S
90.100 ± 0.859
75.597 ± 0.290
ND
ND
ND
ND
ND
ND
ND
ND
P
307.389 ± 3.601
282.398 ± 0.551
700
700
4,000
500
3,000
700
3,500
ND
Metals
Mg
171.602 ± 2.261
172.686 ± 2.028
420
320
350
130
110
360
350
ND
Ca
285.444 ± 5.412
380.632 ± 4.066
1,000
1,000
2,500
800
2,500
1,000
2,500
ND
Cr
0.027 ± 0.006
0.047 ± 0.009
0.035
0.025
ND
0.015
ND
0.030
ND
0.002
Ni
0.072 ± 0.003
0.070 ± 0.004
ND
ND
1
ND
0.3
ND
1
0.163
Cu
0.385 ± 0.007
0.318 ± 0.008
0.9
0.9
10
0.440
3
1
10
0.3
Zn
2.565 ± 0.037
1.807 ± 0.014
11
8
40
5
12
11
40
2.74
Fe
1.84 ± 0.520
1.66 ± 0.440
8
18
45
10
40
27
45
2.0
Note. ND = not determined; 1Recommended Dietary Allowances (RDA) [28]. The value for AI is used when there are no calculated values for the RDA. 2FAO/WHO (1984) (mg/100 g) [37]. The ULs for magnesium represents intake from a pharmacological agent only and do not include intake from food and water.