Dry matter (%)

Starch content (%)

Protein content (%)

Total sugars (%)

Total ash (%)

β-carotene (mg/100g)

Roots

28.1 ± 0.14^a

86.87 ± 0.07^a

6.64 ± 0.04^a

15.21± 0.01

3.18 ± 0.04^a

8.65 ± 0.10^a

Leaves

18.5 ± 0.14^b

50.96 ± 0.08^b

24.16 ± 0.14^b

ND

11.43± 0.04^b

0.53 ± 0.03^b