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Physico-chemical and quality characteristics of virgin coconut oil – a Malaysian survey


Long, Kamariah and Azali, Azmi and Abdullah, Rosmawati and Goh, Mary Wai Ching and Mohd Danial, Azlina and Annamalai, Sivapragasam and Tan, Chin Ping and Lai, Oi Ming (2008) Physico-chemical and quality characteristics of virgin coconut oil – a Malaysian survey. Journal of Tropical Agriculture and Food Science, 36 (2). pp. 1-10. ISSN 1394-9829; ESSN: 2289-9650


A total of 1 0 virgin coconut oil (VCO) samples from Malaysian market were collected and analysed for their physico-chemical and quality characteristics. Two of the samples were produced using MARDI’s technologies i.e. dry and wet processes. The remainders of the samples were produced either through natural fermentation or mechanical process. The analyses were divided based on physico-chemical characteristics and quality characteristics. As for the physico-chemical characteristic, eight types of analysis were performed i.e. relative density, refractive index, saponification value, iodine value, unsaponification matter, specific gravity, slip melting point and fatty acid composition. In addition, six types of analysis were carried out to determine the quality of the VCO. Physico-chemical characteristic analysis of all VCO samples fall within narrow ranges. However, for quality characteristics, some samples showed bad quality oil especially for the free fatty acid and peroxide value. The percentage of free fatty acid obtained from these samples were >0.5% and peroxide value >3 meq/kg. Total plate counts of most samples were zero. In terms of contaminants, copper, lead and arsenic were found to be below detectable levels except for iron. A few samples had high iron content (more than 5 mg/kg) which may enhance oxidative deterioration in the oil.

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Additional Metadata

Item Type: Article
Divisions: Faculty of Biotechnology and Biomolecular Sciences
Faculty of Food Science and Biotechnology
Publisher: Malaysian Agricultural Research and Development Institute (MARDI)
Keywords: Identity characteristic; Quality characteristic; Virgin coconut oil; Contaminant
Depositing User: Nabilah Mustapa
Date Deposited: 29 Dec 2016 09:48
Last Modified: 29 Dec 2016 09:48
URI: http://psasir.upm.edu.my/id/eprint/48894
Statistic Details: View Download Statistic

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