Corn and Coconut Oil: Antioxidant Properties, Uses and by Constantin Apetrei
By Constantin Apetrei
Corn and coconut oils are very important vegetable oils containing many worthwhile compounds important for all times. those oils are recognized to have dietary and helpful fit qualities/properties, attributed ordinarily to fatty acid composition, tocols, carotenoids, polyphenols, and so forth. The antioxidant houses confer many wellbeing and fitness merits, similar to decreasing the chance of heart problems, melanoma, and different illnesses. Fatty acids and comparable metabolite derivatives from coconut and corn oils are identified to have very good antimicrobial homes to boot. This ebook includes assorted multi- and interdisciplinary ways regarding the creation, chemical composition, caliber and authentication, makes use of, antimicrobial houses, and future health advantages of corn and coconut oils, defined by way of very important authors from around the globe. This ebook may be useful for a variety of readers, from college scholars to researchers. (Imprint: Nova)
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A hexane:ethyl acetate (9:1) extraction mixture was also used after saponification and the resulted carotenoids mixture was analyzed by HPLC on a Spherisorb ODS2 column (Scott & Eldridge, 2005). , 2008). , 2007). A suitable extraction mixture (MeOH:ethyl acetate or MeOH:THF 1:1) has turned out to be a better choice prior to carotenoids analysis by UHPLC-Vis (Rivera & Canela, 2012). , 2014). However, beside high levels of lutein and zeaxanthin, βapo-8‘-carotenal was also detected. Figure 6. Spectra of n-hexane extracts of: corn (1), olive (2); linseed (3) and sunflower (4) oils (1,2 and 3- 100 mg oil / 900 l n-hexan; 4-250 mg oil / 750 l n-hexan).
Reddy, B. , Chang, S. S. (1967). Identification of 2-Pentyl Furan in Fats and Oils and Its Relationship to the Reversion Flavor of Soybean Oil. J. , 32, 372-374. List, G. R. (1989). Commercial manufacture of lecithin, in Lecithins: Source, Manufacture & Uses. Szuhaj B. F. (ed). AOCS Press. Liu, K. S. (1994). Preparation of fatty acid methyl esters for gas-chromatographic analysis of lipids in biological materials. J. Am. Oil Chem. , 71, 1179-1187. Moreau, R. , Johnson, D. B. & Hicks, K. B. (2007).
Derivative UV-Vis spectroscopy allows the estimation of individual or total tocopherol levels from their mixtures (Bukovits & Alberto, 1987). The UV spectra of different oils dissolved in n-hexan reveal characteristic signals of tocols (Figure 4). , 2014). , 2004). Biosynthesis, Analysis and Antioxidant Properties of Tocols … 35 Figure 4. UV spectra of corn oil (1), linseed oil (2); sunflower oil (3) and olive oil (4) in n-hexane. 100 mg oil was dissolved in 500 l n-hexan; the samples were diluted 1:20 in n-hexane with one exception linseed oil sample was diluted 1:50.