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Physicochemical characteristics of commercial coconut oils produced in India

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Relation http://ir.cftri.com/12146/
http://dx.doi.org/10.3989/gya.0228141
 
Title Physicochemical characteristics of commercial
coconut oils produced in India
 
Creator Prasanth Kumar, P. K.
Gopala Krishna, A. G.
 
Subject 14 Physical properties
19 Lipids-oils/fats
02 Coconut
 
Description The physico-chemical characteristics and phytonutrient compositions of commercially available
coconut oils [prepared from either copra (unrefined coconut oil- UCNO; Refined Bleached and Deodorized
coconut oil- RBDCNO) or from milk extracted from wet mature coconut (virgin coconut oil- VCNO)] were
analyzed and compared with the quality of VCNO. The color (2.6, 0.0, 1.6 lovibond units), free fatty acid
value (0.61, 0.58, 0.53%), and peroxide value (1.35, 0.0, 0.0 meq.O2Kg−1) of UCNOs, VCNOs, and RBDCNOs,
respectively, indicated higher units of color and peroxide value for UCNOs, and similar free fatty acid values
to the other two oils. The UCNOs showed a slightly lower saponification value and higher iodine value as
compared to VCNO. The composition of lauric acid (55.8%), medium chain fatty acids (69.65%) and medium
chain triglycerides (59.27%) mainly dicapricmonolaurin (14.32%), dilauricmonocaprin (18.89%) and trilaurin
(21.88%) were significantly higher in VCNO. The % phytosterol, phenolics and tocopherol + tocotrienol contents
of UCNOs, VCNO and RBDCNO were 83.7, 54.9 and 81.4 mg; 9.4, 1.8 and 2.1 mg; 4.9, 2.8 and 4 mg,
respectively. In UCNOs the values were significantly higher than in VCNO and RBDCNO. These results showed
that UCNOs have more phytonutrients compared to VCNO and RBDCNO.
 
Date 2015
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
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Identifier http://ir.cftri.com/12146/1/GRASAS%20Y%20ACEITES%2066%20%281%29_2015_e062.pdf
Prasanth Kumar, P. K. and Gopala Krishna, A. G. (2015) Physicochemical characteristics of commercial coconut oils produced in India. Grasas Y Aceites, 66 (1). pp. 1-11.