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Chemical, microbial and antioxidant activity of Cola lepidota K. Schum fruits

Author

Listed:
  • Solomon Oranusi

    (Department of Biological Sciences, College of Science and Technology, Covenant University, Ota, Ogun State, Nigeria)

  • Adeola Onibokun
  • Oluwatoyosi Afolabi

    (Department of Biological Sciences, College of Science and Technology, Covenant University, Ota, Ogun State, Nigeria)

  • Chineme Okpalajiaku

    (Department of Biological Sciences, College of Science and Technology, Covenant University, Ota, Ogun State, Nigeria)

  • Anita Seweje

    (Department of Biological Sciences, College of Science and Technology, Covenant University, Ota, Ogun State, Nigeria)

  • Bunmi Olopade

    (Department of Biological Sciences, College of Science and Technology, Covenant University, Ota, Ogun State, Nigeria)

  • Yemisi Obafemi

    (Department of Biological Sciences, College of Science and Technology, Covenant University, Ota, Ogun State, Nigeria)

Abstract

This research was to investigate the chemical composition, antioxidant activity, and microbial profiles of Cola lepidota fruits. One hundred grams each of the fruit exocarp, mesocarp and endocarp were blended and analyses were carried out by the following standard methods. Active acidity and vitamin C contents were 5.5 and 6.34 mg 100 g-1 in endocarp, 4.5 and 14.39 mg 100 g-1 in mesocarp and 6.7 and 10.02 mg 100 g-1 for exocarp. Moisture and carbohydrate contents of 12.31 and 68.72% were in the mesocarp while protein and crude fibre contents of 8.13 and 26.18% were in the exocarp and endocarp. Iron (Fe), zinc (Zn) and manganese (Mn) contents were 1.79, 0.27 and 0.57 mg 100 g-1 in exocarp while lead (Pb), cadmium (Cd) and chromium (Cr) were absent in the endocarp. Predominant isolates were Aspergillus niger, Saccharomyces cerevisiae, Aspergillus flavus, Bacillus, Staphylococcus and Pseudomonas species. C. lepidota had no antimicrobial effect against the tested organisms. Tannins, flavonoids, terpenoids, phenols, coumarins and anthocyanins were present while alkaloids, quinolones, glycosides, steroids and cardiac glycosides were absent. The fruit was observed to have antioxidant property by hydrogen peroxide scavenging activity. This study presents C. lepidota as good for human consumption and can be exploited for animal feed production.

Suggested Citation

  • Solomon Oranusi & Adeola Onibokun & Oluwatoyosi Afolabi & Chineme Okpalajiaku & Anita Seweje & Bunmi Olopade & Yemisi Obafemi, 2020. "Chemical, microbial and antioxidant activity of Cola lepidota K. Schum fruits," Czech Journal of Food Sciences, Czech Academy of Agricultural Sciences, vol. 38(1), pages 11-19.
    • Handle: RePEc:caa:jnlcjf:v:38:y:2020:i:1:id:360-2018-cjfs
    DOI: 10.17221/360/2018-CJFS
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    References listed on IDEAS

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    1. Steven Lam & Hung Nguyen-Viet & Tran Thi Tuyet-Hanh & Huong Nguyen-Mai & Sherilee Harper, 2015. "Evidence for Public Health Risks of Wastewater and Excreta Management Practices in Southeast Asia: A Scoping Review," IJERPH, MDPI, vol. 12(10), pages 1-23, October.
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