Table 2.

Dietary reference intakes (DRIs) (recommended dietary allowances (RDAs) and daily values (DVs)) of macronutrients for most individuals and average concentrations of macronutrients (n = 4) in L. alatipes (LA), O. tenax (OT) L. peduncularis (LP) and U. dioica (UD) leaves (uncooked/cooked).

	Average concentration in uncooked/cooked leaves (g per 60 g, dry mass)				DRIa
	LA	OT	LPb	UDb	RDA (g per day)	DVc (g)
Carbohydrates	35.1/35.7	30.2/38.4	12.9/27.7	32.0/36.9	130	300
Proteins	3.22/2.94	3.20/3.11	0.82/1.07	0.89/1.10	34–56	50
Vitamin Ad	9.9 × 10−2/9.4 × 10−4	1.1 × 10−2/1.0 × 10−2	—	—	0.6 × 10−3–0.9 × 10−3	0.7 × 10−3–0.9 × 10−3
Vitamin C	0.023/0.022	0.023/0.023	0.011/0.010	0.013/0.010	0.045–0.075	0.06
Vitamin E	0.059/0.023	0.067/0.021	0.011/0.014	0.016/0.015	0.011–0.015	0.020

^aIndicates dietary reference intakes¹⁴.

^bResults of previous study¹⁰.

^cIndicates daily values²⁰.

^dVitamin A as retinol; 1 µg β-carotene = 0.167 µg retinol.