Research Article

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/day1RDA/AI (mg/day)UL (mg/day)1RDA/AI (mg/day)UL (mg/day)2FAO/WHO (mg/100 g)

Nonmetals
S90.100 ± 0.85975.597 ± 0.290NDNDNDNDNDNDNDND
P307.389 ± 3.601282.398 ± 0.5517007004,0005003,0007003,500ND

Metals
Mg171.602 ± 2.261172.686 ± 2.028420320350130110360350ND
Ca285.444 ± 5.412380.632 ± 4.0661,0001,0002,5008002,5001,0002,500ND
Cr0.027 ± 0.0060.047 ± 0.0090.0350.025ND0.015ND0.030ND0.002
Ni0.072 ± 0.0030.070 ± 0.004NDND1ND0.3ND10.163
Cu0.385 ± 0.0070.318 ± 0.0080.90.9100.44031100.3
Zn2.565 ± 0.0371.807 ± 0.0141184051211402.74
Fe1.84 ± 0.5201.66 ± 0.44081845104027452.0

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.