Sombié Pierre Alexandre Eric Djifaby, Compaoré Moussa, Coulibaly Ahmed Yacouba, Ouédraogo Jeremy Tinga, Tignégré Jean-Baptiste De La Salle, Kiendrébéogo Martin
National Center of Scientific Research and Technology, Institute of Environment and Agricultural Research, Crop Production Department, 01 P.O Box 476 Ouagadougou, Burkina Faso.
Laboratory of Biochemistry and Chemistry Applied (LABIOCA), University of Ouaga I Professor Joseph Ki-Zerbo, 09 P.O Box 848 Ouagadougou, Burkina Faso.
Foods. 2018 Sep 3;7(9):143. doi: 10.3390/foods7090143.
Antioxidant compounds of dietary plants have been widely studied because of their bioactive properties. The objective of this research study was to analyse the health enhancing attributes of 31 cowpeas varieties from Burkina Faso. Significant variations were observed in the phenolic content as well as the antioxidant and anti-lipid peroxidation activities amongst the cowpea varieties. Pearson correlation coefficient analysis showed that the ferric reducing ability ( = 0.954) and anti-lipid peroxidation ( = 0.616) were positively correlated with the total phenolic content. A significant relationship between cowpea ferric reducing ability and anti-lipid peroxidation ( = 0.64) was also revealed. However, nitric oxide scavenging potential was found not to be related to its total phenolic and total flavonoid content. 2,2-diphenyl-1-picrylhydrazyl (DPPH) and hydroxyl radicals scavenging potentials were not correlated with the total flavonoid content. The pigmented seeds of cowpea varieties possess higher total phenolic, total flavonoid content, ferric reduction ability, and anti-lipid peroxidation activities than the colourless ones. The results obtained from this study suggest that Burkina Faso cowpea cultivars are rich in phenolic compounds and have significant antioxidant and anti-lipid peroxidation activities. Consumption of the cowpea, particularly of coloured cowpea seed varieties, should be beneficial for chronic human diseases prevention.
由于其生物活性特性，食用植物中的抗氧化化合物已得到广泛研究。本研究的目的是分析来自布基纳法索的31个豇豆品种的健康增强特性。在豇豆品种中，酚类含量以及抗氧化和抗脂质过氧化活性存在显著差异。皮尔逊相关系数分析表明，铁还原能力（= 0.954）和抗脂质过氧化（= 0.616）与总酚含量呈正相关。还揭示了豇豆铁还原能力与抗脂质过氧化之间的显著关系（= 0.64）。然而，发现一氧化氮清除潜力与其总酚和总黄酮含量无关。2,2 - 二苯基 - 1 - 苦基肼（DPPH）和羟基自由基清除潜力与总黄酮含量无关。豇豆品种的有色种子比无色种子具有更高的总酚、总黄酮含量、铁还原能力和抗脂质过氧化活性。本研究获得的结果表明，布基纳法索豇豆品种富含酚类化合物，具有显著的抗氧化和抗脂质过氧化活性。食用豇豆，特别是有色豇豆种子品种，应该对预防人类慢性疾病有益。
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