Browsing by Author "Ayoade L. Adejumo"

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    Characterisation, Amino Acid Composition and Denaturation status of Acid Soluble Collagen from Catfish (Clarias gariepinus) Skin
    (The West Indian Journal of Engineering, 2022-01) Ayoade L. Adejumo; Luqmon Azeez; Ebenezer I.O. Ajayic; Tope G. Atered; Fatai A. Aderibigbe; Rasheed O. Adetoro
    This study reported characterisation of acid-soluble collagen from the skin of freshwater catfish (Clarias gariepinus) by Fourier Transform Infra-Red spectroscopy (FTIR), scanning electron microscopy (SEM) and energy dispersive x-ray (EDX). Amino acid composition and denaturation temperature of the collagen were determined. Acid soluble collagen (ASC) from the skin of C. gariepinus produced a comparatively yield of 2.38% with all amide functional groups (Amide A, B, I, II and III) visible in the FTIR spectrum suggesting the intactness of triple helical structure of the collagen. The SEM of C. glariepinus, shows a mono-fibrillated irregularly arranged crystalline surface material having 24.46 % carbon, 11.72 % oxygen and 9.40 % nitrogen. The abundance of amino acids follows glycine > arginine > proline > alanine indicating the integrity of collagen and a non-disruptive method of extraction. The denaturation temperature (Td) of ASC was about 30 °C implying its usefulness in food and pharmaceutical indus
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    Heterogeneous Catalysis of Second Generation Oil for Biodiesel Production: A Review
    (Wiley-VCHGmbH: ChemBioEngRev, 2021) Fatai A. Aderibigbe; Suleiman Shiru; Saka, H. B.; Amosa, M. K.; Sherif Ishola Mustapha; MohammedIAlhassan; Ayoade L. Adejumo; Morufudeen Abdulraheem; Owolabi, R. U.
    Abstract The demand for cleaner fuels has been on the rise lately, prompting researchers to explore alternative cleaner technologies to meet the growing demand. This has led to the introduction of renewable fuels such as bioethanol and biodiesel. Depending on the feedstock employed for production, renewable fuels can be divided into first, second, and third genera tion. Reliance on first generation biofuel feedstocks has led to inherent competition between foods versus fuels in the society in the last decade. Further technological prospects in research and develop ment have provided insight into the use of second generation biofuel feed-stocks from non-edible agricultural waste products, energy crops, and crop residues. Zeolites and modified zeolites as heterogeneous catalysts have been highly prospec tive for the transesterification process of these oils. Modified zeolite can act as a bi-functional catalyst because of its acidic and basic sites. Here, a review of transesterification reaction technology, zeolite and modified zeolite as a heterogeneous catalyst to generate biodiesel was discussed. Cur rent status, challenges and future prospects are also discussed. Keywords: Biodiesel, Heterogeneous catalyst, Homogeneous catalyst, Transesterification, Zeolite