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Biochemical and Nutritional Importance of Winged Bean (Psophocarpus tetragonolobus (L.)) on Wistar Rats

Date: May 27,2020 |Hits: 4290 Download PDF How to cite this paper

Adewale Michael Esan 1,*, Charles Ojo Olaiya 1, Samson Tolulope Adedire 1, Folusho Eunice Bamigboye 1, Kehinde Olugboyega Soetan 2

1 Department of Biochemistry, Faculty of Basic Medical Sciences, University of Ibadan, Ibadan, Oyo State, Nigeria.

2 Department of Veterinary Physiology, Biochemistry and Pharmacology, University of Ibadan, Ibadan, Oyo State, Nigeria.

*Corresponding author: Adewale Michael Esan, Department of Biochemistry, Faculty of Basic Medical Sciences, University of Ibadan, Ibadan, Oyo State, Nigeria.


Recently, food-security and sustainability have become a serious global concern, leading to malnutrition in the developing countries. Winged bean is an underutilized and neglected legume indigenous to Africa. In this study, we  evaluated in vitro and in vivo nutritional properties of processed and unprocessed winged bean. Furthermore, we investigated impact of dietary intake of winged bean diets on biochemical factors pertaining to body weight gain, lipid profiles, antioxidant enzymes, and liver and kidney functions of experimental rats over a 6-week study period. Twenty-one rats were divided into three groups (n = 7), and fed with three diets (normal pellet diet, pure processed winged bean alone, and 50% w/w processed winged bean). Our results show higher nitrogen free extract in the processed winged bean than the unprocessed one. A significant difference (P > 0.05) in moisture content was observed between the unprocessed and  processed winged bean. The levels of phytate and oxalate in the processed winged bean were significantly (P < 0.05) reduced. However, saponin and   tannins levels were increased in the processed winged bean. The calcium,  phosphorus, magnesium, sodium, and potassium contents observed in the  processed winged bean were higher than the unprocessed winged bean. The higher weight gain was observed in the rats fed with 100% winged bean as  compared to the other groups. Lipid profiles analysis revealed decreased cholesterol and triglycerides levels with an increase level of HDL in the rats fed on 100% winged bean as well as 50% w/w winged bean diet as compared to the control group. The liver and colon catalase and superoxide dismutase activities were significantly (P < 0.05) increased in the processed winged bean diet. It can therefore be concluded that the consumption of processed winged bean could reduce the menace of malnutrition, and also use as a substitute for soybean.


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How to cite this paper

Biochemical and Nutritional Importance of Winged Bean (Psophocarpus tetragonolobus (L.)) on Wistar Rats

How to cite this paper: Adewale Michael Esan, Charles Ojo Olaiya, Samson Tolulope Adedire, Folusho Eunice Bamigboye, Kehinde Olugboyega Soetan. (2020) Biochemical and Nutritional Importance of Winged Bean (Psophocarpus tetragonolobus (L.)) on Wistar Rats. International Journal of the Science of Food and Agriculture, 4(2), 174-182.

DOI: http://dx.doi.org/10.26855/ijfsa.2020.06.009

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