EUROPEAN JOURNAL OF
PHARMACEUTICAL AND MEDICAL RESEARCH

( An ISO 9001:2015 Certified International Journal )

An International Peer Reviewed Journal for Pharmaceutical, Medical & Biological Sciences

An Official Publication of Society for Advance Healthcare Research (Reg. No. : 01/01/01/31674/16)

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 ISSN 2394-3211

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Abstract

PHYSICOCHEMICAL AND ELEMENTAL ASSESSMENT OF VEGETABLE OILS IN YENAGOA METROPOLIS, BAYELSA STATE, NIGERIA

Azibanasamesa D. C. Owaba*, Samuel J. Bunu and Javier T. Oparaodu

ABSTRACT

Background: Vegetable oils are very imperative component of several industrially manufactured products. They are utilized as lubricants, plasticizers, emulsifiers, surfactants, solvents, plastics, and resins, as well as in animal feed. The waste of vegetable oils has been refined to biodiesel that can be used as normal diesel fuel. Vegetable oils are edible and vital constituent of the human diet, serving as a good source of lipid, protein and fatty acids. Objective: The study aimed to determine some physicochemical parameters and elemental assessment of various brands of vegetable oils in markets within Yenagoa metropolis, Bayelsa State, Nigeria. Method: Ten samples of refined vegetable oils were obtained from different markets. They were tagged as samples A, C, D, G, H, I, J; from Opolo market, while samples B and E were obtained from Kpansia market and sample F was obtained from Market square shopping complex, Opolo, all in Yenagoa, Bayelsa State. The physicochemical analysis was determined using standard methods while elemental assessment was carried out using atomic absorption spectrophotometer. Result: The acidic content of the samples ranges from 0.7-26, revealing that majority of the oils must have undergone hydrolysis as they exceed the acid values of the reference standard of Arachis oil 0.5-0.8. Iodine values range from 3.14-7.04g I2 /100g, while peroxides values range from 2- 33 meq/kg. Also, the saponification values of the samples range from 7.01-183.03 mg/KOH. Heavy metals could be major contaminants in vegetable oils; mercury, lead, chromium, arsenic, cadmium, and selenium were examined and the results showed that the elements are within the acceptable limit as stated by the official standard. Conclusion: There was variation in the physicochemical properties of oils sold. The elemental assessment of the oils analyzed showed all samples were within acceptable standard limits; hence, are safe for human consumption.

Keywords: Vegetable oil, heavy metals, physicochemical, Yenagoa, Spectrophotometry.


[Full Text Article]

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Google Scholar Indian Science Publications InfoBase Index (In Process) SOCOLAR, China Research Bible, Fuchu, Tokyo. JAPAN International Society for Research activity (ISRA) Scientific Indexing Services (SIS) Polish Scholarly Bibliography Global Impact Factor (GIF) (Under Process) Universal Impact Factor International Scientific Indexing (ISI), UAE Index Copernicus CAS (A Division of American Chemical Society) USA (Under Process) Directory of Open Access Journal (DOAJ, Sweden, in process) UDLedge Science Citation Index CiteFactor Directory Of Research Journal Indexing (DRJI) Indian citation Index (ICI) Journal Index (JI, Under Process) Directory of abstract indexing for Journals (DAIJ) Open Access Journals (Under Process) Impact Factor Services For International Journals (IFSIJ) Cosmos Impact Factor Jour Informatics (Under Process) Eurasian Scientific Journal Index (ESJI) International Innovative Journal Impact Factor (IIJIF) Science Library Index, Dubai, United Arab Emirates Pubmed Database [NLM ID: 101669306] (Under Process) IP Indexing (IP Value 2.40) Web of Science Group (Under Process) Directory of Research Journals Indexing Scholar Article Journal Index (SAJI) International Scientific Indexing ( ISI )