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Health impacts of different edible oils prepared from coconut (Cocos nucifera): A comprehensive review

Published on Oct 1, 2018in Trends in Food Science and Technology8.52
· DOI :10.1016/j.tifs.2018.07.025
Arunaksharan Narayanankutty6
Estimated H-index: 6
(University of Calicut),
Soorya Parathodi Illam4
Estimated H-index: 4
(University of Calicut),
Achuthan C. Raghavamenon5
Estimated H-index: 5
(University of Calicut)
Cite
Abstract
Abstract Background Edible oils, preferably plant origin are rich sources of fatty acids and other lipophilic antioxidants to the body. Among these, oils derived from the coconut kernel ( Cocos nucifera ) are widely used in India and the Asia Pacific, which includes copra oil (CO), virgin coconut oil (VCO) and refined, bleached and deodorized (RBD) oil. Based on the mode of preparation, their composition and biological effects vary. Scope and approach This review compares the physicochemical and biological properties of coconut oils prepared by different methods. The metabolism of coconut oil and its predominant content lauric acid is also explained. This review emphasizes the use of VCO in the prevention and amelioration of several degenerative diseases, including cardiovascular disease and cancers, over CO or RBD oils. Key findings and Conclusion There are no evident differences in the fatty acid profiles of CO, VCO and RBD oils. However, they differ in their polyphenol contents, which are reported to be high in VCO, possibly due to less harsh treatment during its preparation. Various epidemiological and clinical reports indicating the health risk of coconut oils could be pertinent to the data on the individuals consumed CO/RBD oil, which lacks polyphenols. Whereas, VCO have antioxidant, anti-inflammatory, lipid-lowering and cytoprotective efficacies, which may be attributed to its higher polyphenolics. Further, emerging studies have indicated that hot-extracted VCO (H-VCO) have a pharmacological advantage over VCO prepared by fermentation. At this juncture, further explorations on the biopharmaceutical potential of VCO have to be undertaken through clinical studies.
  • References (87)
  • Citations (3)
Cite
References87
Newest
Published on Sep 1, 2018in Integrative medicine research
Ademola C. Famurewa3
Estimated H-index: 3
,
Abiola M. Folawiyo1
Estimated H-index: 1
(Ebonyi State University)
+ 4 AuthorsOpeyemi A. Famurewa1
Estimated H-index: 1
(University of Jos)
Abstract Background Methotrexate (MTX) is a commonly used antineoplastic and anti-rheumatoid agent whose efficacy is limited by marked organ toxicities associated with oxidative stress. The study investigated beneficial effect of virgin coconut oil (VCO) supplementation on MTX-induced oxidative stress and inflammation in rats. Methods Rats were divided into 4 groups (n = 6): Control, MTX (20 mg/kg bw), VCO (5%) + MTX and VCO (15%) + MTX. The pre-treatment with VCO for 14 days was followed by sin...
Published on Mar 1, 2018in BMJ Open2.38
Kay Tee Kaw144
Estimated H-index: 144
(University of Cambridge),
Stephen J. Sharp64
Estimated H-index: 64
(University of Cambridge)
+ 4 AuthorsNita G. Forouhi77
Estimated H-index: 77
(University of Cambridge)
Introduction High dietary saturated fat intake is associated with higher blood concentrations of low-density lipoprotein cholesterol (LDL-C), an established risk factor for coronary heart disease. However, there is increasing interest in whether various dietary oils or fats with different fatty acid profiles such as extra virgin coconut oil may have different metabolic effects but trials have reported inconsistent results. We aimed to compare changes in blood lipid profile, weight, fat distribut...
Published on Mar 1, 2018in Journal of the Science of Food and Agriculture2.42
Arunaksharan Narayanankutty6
Estimated H-index: 6
,
Devika Mukundan Palliyil1
Estimated H-index: 1
+ 1 AuthorsAchuthan C. Raghavamenon5
Estimated H-index: 5
Hepatosteatosis, a form of nonalcoholic fatty liver disease (NAFLD), is being increasingly recognized as a major health burden worldwide. Insulin resistance, dyslipidemia and imbalances in adipokine/cytokine interplay are reported to be involved in the onset and progression of this disease. Use of dietary nutraceuticals in prevention and treatment of NAFLD is emerging. Virgin coconut oil (VCO), a fermented product of fresh coconut kernel, has been shown to impede the development of hepatosteatos...
Published on Feb 8, 2018in PLOS ONE2.78
Wang Y8
Estimated H-index: 8
('SMMU': Second Military Medical University),
Zhenzhen Liu1
Estimated H-index: 1
('SMMU': Second Military Medical University)
+ 3 AuthorsZhao-Shen Li38
Estimated H-index: 38
('SMMU': Second Military Medical University)
Medium Chain Triglycerides (MCT) is a dietary supplement and usually used along with medications for treating food absorption disorders including diarrhea, steatorrhea and liver disease. It has been shown that MCT plays a role in lowering weight, and decreasing metabolic syndrome, abdominal obesity and inflammation. However, it is still unknown whether MCT enhances exercise endurance. Here, we demonstrated that MCT containing diet improves high temperature induced exercise performance impairment...
Published on Dec 1, 2017in Prostaglandins Leukotrienes and Essential Fatty Acids2.86
Devi Lekshmi Sheela1
Estimated H-index: 1
(Kerala Agricultural University),
Puthiyaveetil Abdulla Nazeem3
Estimated H-index: 3
(Kerala Agricultural University)
+ 6 AuthorsAchuthan C. Raghavamenon5
Estimated H-index: 5
(Kerala Agricultural University)
Abstract Coconut oil (CO), the primary choice of cooking purposes in the south Asian countries, is rich in medium chain saturated fatty acids, especially lauric acid (50–52%). The oil has high medicinal use in Ayurvedic system and known to contain polyphenolic antioxidants. Studies have reported that CO improves insulin sensitivity and shows hypoglycemic effect. However, there is no information regarding its effect on chronic diabetic complications including retinopathy and nephropathy is availa...
Published on Dec 1, 2017in Biomedicine & Pharmacotherapy3.74
Ademola C. Famurewa3
Estimated H-index: 3
,
Patrick M. Aja1
Estimated H-index: 1
(Ebonyi State University)
+ 3 AuthorsSharon O. Azubuike-Osu1
Estimated H-index: 1
Abstract Background Methotrexate (MTX) is an efficacious anticancer agent constrained in clinical use due to its toxicity on non-targeted tissue, a considerable source of worry to clinicians. Because the toxicity is associated with oxidative stress and inflammation, the study explored antioxidant and anti-inflammatory effect of virgin coconut oil (VCO) supplementation in nephrotoxicity induced by MTX in rats. Methods Rats were randomized into 4 groups (n = 6) as follows: Control group; MTX group...
Published on Dec 1, 2017in Cell death discovery
Rosamaria Lappano23
Estimated H-index: 23
,
Anna Sebastiani3
Estimated H-index: 3
+ 7 AuthorsMarcello Maggiolini43
Estimated H-index: 43
Published on Sep 1, 2017in Human & Experimental Toxicology2.17
Arunaksharan Narayanankutty6
Estimated H-index: 6
(University of Calicut),
Jj Manalil4
Estimated H-index: 4
(University of Calicut)
+ 6 AuthorsAchuthan C. Raghavamenon5
Estimated H-index: 5
(University of Calicut)
Hepatosteatosis is a complex disorder, in which insulin resistance and associated dyslipidemic and inflammatory conditions are fundamental. Dietary habit, especially regular consumption of fat and sugar-rich diet, is an important risk factor. Coconut and mustard oils (CO and MO) are medium-chain saturated and monounsaturated fats that are common dietary ingredients among the Indian populations. Present study analyzed the effect of prolonged consumption of the fresh and thermally oxidized forms o...
Published on Jul 24, 2017in Toxicology Mechanisms and Methods2.28
Soorya Parathodi Illam4
Estimated H-index: 4
,
Arunaksharan Narayanankutty6
Estimated H-index: 6
,
Achuthan C. Raghavamenon5
Estimated H-index: 5
AbstractVirgin coconut oil (VCO), extracted from the fresh coconut kernel, is a food supplement enriched with medium chain saturated fatty acids and polyphenolic antioxidants. It is reported to have several health benefits including lipid lowering, antioxidant and anti-inflammatory activities. The pharmacological benefits of VCO have been attributed to its polyphenol content (VCOP), the mechanistic basis of which is less explored. Liquid chromatography/mass spectroscopy (LC/MS) analysis of VCOP ...
Cited By3
Newest
Published on Apr 3, 2019in Human & Experimental Toxicology2.17
Dl Sheela (Kerala Agricultural University), Arunaksharan Narayanankutty6
Estimated H-index: 6
(University of Calicut)
+ 2 AuthorsSr Muthangaparambil (Kerala Agricultural University)
Published on Jan 1, 2019
Ali Osman9
Estimated H-index: 9
(Zagazig University),
Ali Osman
The coconut (Cocos nucifera L., family Arecaceae) is an important fruit tree in the world. Copra, the dried kernel, is mainly used for oil extraction. Coconut oil is one of the most important edible oils for domestic use. The oil is rich in medium chain fatty acids (MCFA) and exhibits good digestibility. Different coconut oils are produced from different parts of coconut by different means. Copra as well as refined, bleached and deodorized (RBD) oils are produced from dried coconut kernel, with ...