Evaluation of fermented African yam bean flour composition and influence of substitution levels on properties of wheat bread

Chiemela Enyinnaya Chinma, Shakirah Omotoke Azeez, Hudah Tahirah Sulayman, Khadizat Alhassan, Sharon Nelson Alozie, Hammed Dada Gbadamosi, Nahemiah Danbaba, Henrietta Ayodele Oboh, Julian Chukwuemeka Anuonye, Oluwafemi Ayodeji Adebo

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)

Abstract

Abstract: The composition (proximate, amino acids, in vitro protein digestibility [IVPD]), antinutritional factors (ANFs), functional properties, and antioxidant activity of fermented African yam bean flour (FAYBF) were determined in this study, and the effect of substituting FAYBF on the properties (nutritional, physical, and functional) of bread was investigated. Fermentation significantly (P ≤ 0.05) increased the levels of nutrients, IVPD, total phenolic content (TPC), and antioxidant activity in the flour, with significant (P ≤ 0.05) reduction in ANFs. The water absorption capacity (WAC) and oil absorption capacity (OAC), and swelling capacity of the flour increased after fermentation, while bulk density decreased. Substitution of wheat flour with FAYBF increased WAC and OAC, while peak viscosity decreased. Composite breads had higher nutritional, IVPD, TPC, and antioxidant activity than 100% wheat bread. The study demonstrates that FAYBF could be explored for the preparation of wheat-based bread, with reduced gluten levels. Practical Application: Bread is a staple food and this study can assist in increasing the utilization of neglected leguminous crops as well as addressing the challenge of malnutrition, prevalent in developing countries.

Original languageEnglish
Pages (from-to)4281-4289
Number of pages9
JournalJournal of Food Science
Volume85
Issue number12
DOIs
Publication statusPublished - Dec 2020

Keywords

  • African yam bean flour
  • bread
  • fermentation
  • legume
  • nutritional composition

ASJC Scopus subject areas

  • Food Science

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