International Journal of Advance Agricultural Research
ISSN: 2053-1265
Vol. 11(2), pp. 12-15, April 2023

Physico-chemical characteristics of some wild tubers consumed in Chad: Tacca leontopetaloides, Cochlospermum tinctorium and Dioscorea villosa

Makalao Mouti Marceline1, Assane Kesse1 and Alfred S. Traoré2

1Normal Higher School of Bongor, Chad.
2New Dawn University of Bobo Dioulasso, Burkina Faso.

*To whom correspondence should be addressed. E-mail:

Received 23 March, 2023; Received in revised form 31 March, 2023; Accepted 04 April, 2023.


Tacca leontopetaloides, Cochlospermum tinctorium, Dioscorea villosa, Nutritional value.

In order to evaluate the nutritional characteristics of Tacca leontopetaloides, Cochlospermum tinctorium A. Rich., and Dioscorea villosa, some samples were collected in order to evaluate the contents of proteins, lipids, some minerals, and vitamins. Standard methods were used to carry out the physico-chemical analyses. The results obtained show that the highest content of macronutrients was observed in Cochlospermum tinctorium A. (14.06%), and the lowest content was noted in Tacca leontopetaloides in Kélo (0.17%). The highest content of micronutrients was noted in Dioscorea villosa for potassium (10553 mg/kg), and the lowest content was noted in Cochlospermum tinctorium A. for sulfur (0.0032 mg/kg). The highest energy value was recorded for Discorea villosa, which is 155.22 kcal/100g and the lowest energy value was noted for Cochlospermum tinctorium A., which is 4.2 kcal/100g. Cochlospermum tinctorium A., had the highest levels of dietary fiber (1.03 g/100g DM), β-carotenes (1794.5 mg/100g DM), and lycopene (921.54 mg/100g). The consumption and popularization of these wild tubers among the populations could be envisaged to ensure availability throughout the year to ensure food security and thus contribute to the fight against malnutrition.

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