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Table 1 Physico-chemical and proximate compositions of potatoes flours*

From: In vitro biological activity and nutritional evaluation of purple potato (Solanum tuberosum L. var. Vitelotte)

Physico-chemical Analyses

PPF

YPF

Moisture

6.21 ± 0.23b

10.89 ± 0.03a

Ash (% DW)

4.09 ± 0.17a

3.34 ± 0.09b

Fat (% DW)

0.29 ± 0.00a

0.14 ± 0.00b

Protein (% DW)

6.56 ± 0.52a

6.49 ± 0.14a

Total dietary fiber (% DW)

6.98 ± 0.43b

12.47 ± 0.13a

Carbohydrate (% DW)

82.15 ± 0.15a

78.48 ± 0.22b

Energy (kcal)

329.65 ± 2.12a

289.00 ± 0.31b

Acidity (%)

0.72 ± 0.00a

0.36 ± 0.00b

pH

6.28 ± 0.01b

6.75 ± 0.01a

L*

42.84 ± 0.01b

65.29 ± 0.01a

a

8.63 ± 0.01a

0.10 ± 0.00b

b

−6.76 ± 0.00b

13.99 ± 0.01a

  1. *Statistically, there is a significant difference between values within different letters on the same row (P ≤ 0.05). The data are expressed as means ± standard deviations. (PPF Purple Potato Flour, YPF Yellow Potato Flour, DW: Dry Weight)