Research Article

Proximate, Mineral and Antinutrient Contents of Cocoyam (Xanthosoma sagittifolium (L.) Schott) from Ethiopia

Table 2

Mineral contents and antinutritional factors of green- and purple-cocoyams.

Minerals (mg/100 g)Green cocoyamPurple cocoyamSignificance

Fe8.20 ± 0.69.88 ± 1.970.305
Zn3.07 ± 0.103.12 ± 0.120.582
Cu1.04 ± 0.081.14 ± 0.050.183
Mg78.77 ± 0.6782.00 ± 1.04
Mn2.48 ± 0.193.74 ± 0.06
P120.93 ± 2.07129.87 ± 2.06
Na29.22+1.4424.33 ± 0.82
K1085.70 ± 32.11223.30 ± 28.70
Ca56.57 ± 1.5044.90 ± 1.81

Antinutritional factor
Phytate167.76 ± 2.82187.57 ± 0.55
Tannin139.62 ± 0.97156.11 ± 2.35

Data presented are independent sample t-test. Values are means of triplicate analysis ± standard deviations. Value in level of significance are , , and mean values with are not significantly different and their respective -values are shown.