Comparison of the Effectiveness of Different Traditional Soaking Processes on the in Vitro Digestibility of Taro (Colocasia esculenta L. SCHOTT) Flour

Imar Djibrine Soudy, Laurent Alves de Oliveira, Nicolas Limas Nzouzi, Mamadou Godefroy, Izzedine Abdelaziz Arada, Ousmane Dahab Atteib, Djidda Alhadj, Alfaroukh Oumar Idriss, Bruno Eto, Denis Grancher

Biotechnop?le, Institut de Recherche en élevage pour le Développement, N’Djamena, Tchad;.
Institut Universitaire des Sciences et Techniques, ABiotechnop?le, Institut de Recherche en élevage pour le Développement, N’Djamena, Tchad;béché, Tchad;.
Laboratoire de Nutrition et Alimentation, VetAgro Sup-Campus Vétérinaire, Université de Lyon, Lyon, France..
Laboratoires TBC TransCell-Lab, Faculté de Médecine Xavier Bichat, Université Paris- Diderot Paris 7, Paris, France.
Laboratoires TBC TransCell-Lab, Faculté de Médecine Xavier Bichat, Université Paris- Diderot Paris 7, Paris, France;Institut Universitaire des Sciences et Techniques, Abéché, Tchad;Biotechnop?le, Institut de Recherche en élevage pour le Développement, N’Djamena, Tchad;.

DOI: 10.4236/fns.2014.53032                

Abstract

A traditional process used by farmers in Chad consists in soaking slices of taro (Colocasia esculenta L. SCHOTT) in tamarind infusion, or in corn solution or in water over a 24-hour period to reduce the acridity of taro and facilitate cooking. The aim of this study was to assess the effect of traditional soaking on the in vitro digestibility of taro flour using or not using an α-amylase enzyme. The digestion without the enzyme has shown that the soaking processes improve the digestibility of taro flour (from 39.30% for the control sample to 75.11% (after tamarind infusion) and 78.67% (treatment with water) after 24 hours of soaking). Soaking over a 6-hour period and preferentially in tamarind infusion or in corn solution obtains highly digestible flour (around 95% of digestibility rate after 3 hours of enzymatic digestion).

Keywords

Colocasia esculenta L. SCHOTT; Soaking; Corn; Zea mays L.; Tamarind; Tamarindus indica L.; In Vitro Di-gestibility; Amylase

Conflicts of Interest

The authors declare no conflicts of interest.

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