Cholesterol Levels in Vegetable Oils Produced in Burkina Faso

Zio Souleymane¹, Zongo Oumarou¹, Ouattara Ismaël¹, Bazié Raoul Sylvain Bazoin², Somda Namwin Siourimè³, Traoré Korotimi³, Nikiéma Fulbert², Elothmani Driss⁴, Traoré Yves¹ and Savadogo Aly^1,

¹Département de Biochimie-Microbiologie, Laboratoire de Biochimie et d’Immunologie Appliquée, Université Joseph KI-ZERBO, 03 BP 7021 Ouagadougou 03, Burkina Faso

²Laboratoire National de Santé Publique, 09 BP 24 Ouagadougou 09, Burkina Faso

³Département de Technologie Alimentaire, Institut de Recherche en Sciences Appliquées et Technologies, 03 BP 7047 Ouagadougou 03, Burkina Faso. IRSAT/CNRST

⁴Laboratoire Grappe, Ecole Supérieure d’Agricultures, Université Bretagne Loire, 55 rue Rabelais-BP 49100 Angers, France

Cite this paper:
Zio Souleymane, Zongo Oumarou, Ouattara Ismaël, Bazié Raoul Sylvain Bazoin, Somda Namwin Siourimè, Traoré Korotimi, Nikiéma Fulbert, Elothmani Driss, Traoré Yves and Savadogo Aly. Cholesterol Levels in Vegetable Oils Produced in Burkina Faso. American Journal of Food Science and Technology. 2020; 8(4):147-153. doi: 10.12691/ajfst-8-4-3

Abstract

Vegetable oils are widely produced and consumed in Burkina Faso. The objective of this work is to evaluate the cholesterol level, refractive value and saponification value of crude peanut oils and refined cottonseeds oils produced in Burkina Faso. The study was carried out on 61 samples of refined cottonseeds oils and crude peanut oils collected in Ouagadougou, Bobo Dioulasso and surrounding areas. Cholesterol level was evaluated by HPLC, refractive and saponification values were determined by physico-chemical standard methods. The results show that 64.52% of the saponification value of peanut oils fall within the compliance range of the Codex Alimentarius standard compared to 63.33% for cottonseeds oils. The average saponification values are respectively 192.06 mg KOH/g and 194.16 mg KOH/g for crude peanut oils and refined cottonseeds oils (p>0.05). All cottonseeds oils have refractive value in accordance with the Codex Alimentarius standard while 90.32% of peanut oils have refractive value in accordance with the standard. The average refractive value are 1.468 and 1.471 for crude peanut oils and refined cottonseeds oils respectively (p<0.05). The majority of the refractive value and saponification value show an acceptable level in terms of oils for food consumption. Cholesterol was detected in 20% and 38.70% of the peanut oils and cottonseeds oils samples analyzed respectively. The cholesterol averages are 0.64 and 2.49 mg/100g for crude peanut oils and refined cottonseeds oils respectively (p>0.05). Almost all cholesterol values of different oil samples are lower to the Codex Alimentarius standard.

Keywords:
cholesterol saponification value refractive value cottonseeds oils peanuts oils

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