American Journal of BioScience

Volume 8, Issue 2, March 2020

  • Nutrient and Essential Oil Compositions of Heterotis rotundifolia Leaves

    Charity Uchechi Ogunka-Nnoka, Jane Adaeze Agwu, Felix Uchenna Igwe

    Issue: Volume 8, Issue 2, March 2020
    Pages: 28-36
    Received: 6 April 2020
    Accepted: 29 April 2020
    Published: 30 April 2020
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    Abstract: This study evaluated the nutrient and essential oil compositions of Heterotis rotundifolia leaves. The leaves were carefully sorted and air-dried for 14 days at room temperature (20-25°C). The dried leaves were ground into powder using a grinding mill. Proximate composition, vitamins and physicochemical properties were analyzed using AOAC method wh... Show More
  • Analysis of Some Heavy Metal Contents in Selected Vegetables and Fruits from States in Nigeria

    Theophilus Ohiomorhen Iriabije, Sylvester Uwadiae

    Issue: Volume 8, Issue 2, March 2020
    Pages: 37-40
    Received: 9 October 2019
    Accepted: 15 November 2019
    Published: 19 May 2020
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    Abstract: The consumption of fruits and vegetables is on the increase as these produce have nutritive values associated to the presence of essential metals that helps boost humans’ immune system, thus, avoiding health problems. However, there is also the presence of some non-essential metals in fruits and vegetables that are detrimental to humans. This study... Show More
  • Production of Amylase from Bacteria Isolated from Tannery Effluent

    Oyeleke Solomon Bankole, Erena Nuhu Bako, Manga Shuaibu Bala, Manga Sahabi

    Issue: Volume 8, Issue 2, March 2020
    Pages: 41-44
    Received: 6 November 2019
    Accepted: 23 November 2019
    Published: 19 May 2020
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    Abstract: Bacteria isolated from tannery effluent collected from Erena local tannery in Niger State were examined for amylase production. Two of the isolates, Bacillus subtilis and Psuedomonas aeruginosa demonstrated ability of amylase production, where Bacillus subtilis has it highest amylase activity of 2.1mg/ml at 18hr, while Psuedomonas aerugionsa has hi... Show More