• S. C. Ubbor
  • V. C. Ezeocha
  • J. N. Okoli
  • O. E. Agwo
  • O. A. Olaoye
  • I. E. Agbai
Keywords: Pro-vitamin A deficiency, wheat, tiger nut, indigenous crops, flour


Biscuits are ready-to-eat nutritious baked snacks that are available in different shapes and sizes. One of the problems that militate against food security in developing countries such as Nigeria is postharvest loss and underutilization of locally cultivated food crops. This study aimed at evaluating the quality of biscuits produced from wheat, tiger nut and orange fleshed sweet potato flours. Wheat flour was substituted with tiger nut and orange fleshed sweet potato (OFSP) flours for the production of biscuits. While constant 10% tiger nut flour was used in each of the six formulations, the OFSP flour portions were increased from 5 to 30%. A 100% wheat flour served as control. The functional properties of the flours, proximate composition, energy value, vitamin contents, physical and sensory properties of the biscuits were determined using standard methods. The result of the functional properties showed no significant differences (p>0.05) in the bulk densities and gelatinization temperatures of the flour blends. There was significant (p<0.05) reduction in the moisture content of the biscuit samples made from the composite flours compared to the control biscuit sample. Inclusion of tiger nut and sweet potato flour led to increase in the fat, fibre, carbohydrate content and energy values of the biscuit samples. The pro-vitamin A and vitamin C increased as the proportion of orange sweet potato increased and in all the composite biscuits containing tiger nut flour. There were no significant differences (p>0.05) in the thickness, spread ratio and volume of the biscuits. The results of the sensory properties


Adejuyitan, J.A., Otunola,E.T., Akande,E.A.,Bolarinwa, I.F., and F.M. Oladokun,F.M.(2009). Some physicochemical properties of flour obtained from fermentation of tigernut (Cyperusesculentus) sourced from a market in Ogbomoso, Nigeria. African Journal of Food Science, 3: 51-55.

Adeola, A.A. and OhizuaE.R. (2018). Physical, Chemical and Sensory Properties of Biscuits Prepared from Flour Blends of Unripe Cooking Banana, Pigeon Pea and Sweet Potato. Food and Nutrition Sciences,6:532-540

Adeyeye, S. A. O. (2016). Assessment of Quality and Sensory Properties of Sorghum–Wheat Flour Cookies. Cogent Food and Agriculture, 2(1): 1-10.

Ajani, A.O., Fasoyiro, S.B., Arowora, K.A., Ajani, O.O., Popoola, C.A. and Zaka, K.O. (2016). Functional Properties of Composite Flour made from Wheat and Breadfruit. Applied Tropical Agriculture, 21(2): 89-93.

Anthony, N. M., Sawi, M. K., Aiyelaagbe, O. O., Taiwo, A., Winnebah, T., & Fomba, S. N.(2014).Proximate characteristics and complementary assessment of five organic sweetpotatoes cultivars and cowpea varieties. International Journal of Engineering and Science, 3:38–42.

Awuchi, C.G., Igwe, V.S. and Echeta, C.K. (2019). The Functional Properties of Foods and Flours. International Journal of Advanced Academic Research, 5(11): 139-160.

Ayo,J.A, I. And Adewori, R. (2007). Physiochemical, in vitro digestibility and organoleptic evaluation of Acha wheat biscuits supplemented with soya bean flour. Nigeria food Journal,25(1): 77-89.

Ayo, J. A., Ojo, M. O., Popoola, C. A., Ayo, V. A. and Okpasu, A. (2018). Production and Quality Evaluation of Acha-tigernut Composite Flour and Biscuits. Asian Food Science Journal, 1(3): 1-12.

Bala, A., Gul, K. and Riar, C. S. (2015). Functional and Sensory Properties of Cookies Prepared from Wheat Flour Supplemented with Cassava and Water Chestnut Flours. Cogent Food and Agriculture, 1:1-7.

Belewu, M.A. and Belewu, K.Y. (2007).Comparative physico-chemical evaluation of tigernut, soybean and coconut milk sources.International JournalofAgricultur and Biology, 9: 785- 787

Bruins, M.J., Bird, J.K., Claude, Aebischer, C.P. and Eggersdorfer, M. (2018). Considerations for Secondary Prevention of Nutritional Defficiencies in High-Risk Groups in High Income Countries. Nutrients, 10(1): 47.DOI:10.3390/nu10010047

Chandra, S., Singh, S. and Kumari, D. (2015). Evaluation of Functional Properties of Composite Flours and Sensorial Attributes of Composite Flour Biscuits. Journal of Food Science and Technology, 52(6): 3681-3688.

Chinma, C.E and Gernah, D.I. (2007). Physical and sensory properties of cookies produced from cassava/soybean/mango composite flours. Journal of Food Technology, 5(3): 256-260
How to Cite
UbborS. C., EzeochaV. C., OkoliJ. N., AgwoO. E., OlaoyeO. A., & AgbaiI. E. (2022). EVALUATION OF BISCUITS PRODUCED FROM WHEAT (Triticum aestivum), TIGER NUT (Cyperus esculentus) AND ORANGE FLESHED SWEET POTATO (Ipomea batatas) FLOURS. FUDMA JOURNAL OF SCIENCES, 6(4), 254 - 261. https://doi.org/10.33003/fjs-2022-0604-1072