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Efficacy of Microencapsulated Carvacrol in Oxidative Stability of Sunflower Oil

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dc.contributor.author Bagis, U.
dc.contributor.author Karabulut, I.
dc.date.accessioned 2022-10-06T12:43:59Z
dc.date.available 2022-10-06T12:43:59Z
dc.date.issued 2020
dc.identifier.issn 14387697 (ISSN)
dc.identifier.uri http://hdl.handle.net/11616/70724
dc.description.abstract The objective of this study is to improve the oxidative stability of sunflower oil using encapsulated carvacrol during 25 times repeated frying experiments. Microencapsulated carvacrol powders are produced by spray drying using binary and ternary blends of gum arabic (GA), maltodextrin (MD), and corn starch as encapsulating agents. In most cases, the encapsulation efficiency decreases as the amount of GA decreases in the wall mixture. Microencapsulated carvacrol powders prepared with GA (100%), GA + MD (75:25), and GA + MD + starch (67.5: 22.5: 10), which are found to have higher encapsulation efficiency values, are used as antioxidants in dough frying experiments. Frying experiments are performed with the addition of encapsulated and/or unencapsulated forms of carvacrol into the sunflower oil or dough. Encapsulated carvacrol is found to be more effective than unencapsulated carvacrol and butylated hydroxyanisole (BHA) in repeated frying experiments. The addition of carvacrol into oil provides better protection compared to addition into dough. Protective effects of encapsulated and unencapsulated forms of carvacrol in frying trials are successfully discriminated by applying principal component analysis. Practical Application: Carvacrol and thymol are the major constituents of thyme (Thymus vulgaris L.) essential oil. These compounds are responsible for the main bioactive properties of thyme oil. Therefore, in this study, pure commercial carvacrol was encapsulated and tested for its protective effect in sunflower oil during repeated dough frying. The effectiveness of the carvacrol in encapsulated form may be a consequence of the prevention of volatilization. The results of this study are remarkable for food applications requiring high temperatures. © 2020 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
dc.source European Journal of Lipid Science and Technology
dc.title Efficacy of Microencapsulated Carvacrol in Oxidative Stability of Sunflower Oil


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