Trace and Essential Elements Analysis in Cymbopogon citratus (DC.) Stapf Samples by Graphite Furnace-Atomic Absorption Spectroscopy and Its Health Concern

Table 3

Trace and essential elements dietary allowance/intake in human adults.

Element	Recommended dietary allowance (RDA), ICMR, 2009	Recommended nutrient intake (RNI), FAO/WHO, 2004	Dietary reference intakes: recommended dietary allowance (RDA), USA
Mg	310 mg/, 340.0 mg/	220.0 mg/d	420.0 mg/, 310.0 mg/
Ca	600.0 mg/d	750.0–800.0 mg/d	1000.0 mg/d
Cr	33 μg/d	25 μg/d	35.0 μg/d^a
Mn	5.4–17.0 mg/d	—	2.3 mg/ and 1.8 m
Fe	17.0 mg/ and 21.0 mg/	9.1 mg/, 26.0 mg/	8.0 mg/, 18.0 mg/
Ni	—	—	—
Cu	1.35 mg/d	—	900.0 μg/d
Zn	10.0–12.0 mg/d	4.2–14.0 mg/d	11.0 mg/ and 8.0 mg/
Mo	—	—	45.0 μg/d

For male. For female. NE = not established, mg/g = milligram per day, µg/d = microgram per day, and a = adequate intakes (AI).
Nutrient requirements and recommended dietary allowances for Indians. A Report of the expert group of the Indian Council of Medical Research (ICMR), 2009.
Vitamin and mineral requirements in human nutrition: report of a joint FAO/WHO expert consultation,World Health Organization, and Food and Agriculture Organization of the United Nations, 2004.
Dietary reference intakes (DRIs): recommended dietary allowances and adequate intakes, Elements Food and Nutrition Board, Institute of Medicine, National Academies. These reports were accessed via http://www.nap.edu/ on April 1, 2014.