Dry matter (%)

Starch content (%)

Protein content (%)

Total sugars (%)

Total ash (%)

β-carotene (mg/100g)

Roots

28.1 ± 0.14a

86.87 ± 0.07a

6.64 ± 0.04a

15.21± 0.01

3.18 ± 0.04a

8.65 ± 0.10a

Leaves

18.5 ± 0.14b

50.96 ± 0.08b

24.16 ± 0.14b

ND

11.43± 0.04b

0.53 ± 0.03b