A response surface methodology study on the effects of some phenolics and storage period length on vegetable oil quality: change in oxidation stability parameters

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Küçük Resim

Tarih

2014

Dergi Başlığı

Dergi ISSN

Cilt Başlığı

Yayıncı

Tubitak Scientific & Technical Research Council Turkey

Erişim Hakkı

info:eu-repo/semantics/openAccess

Özet

In the present study, response surface methodology was conducted for the determination of effects of some phenolics (gallic acid, ellagic acid, and quercetin) on some stability parameters of mixed oil prepared with sunflower and hazelnut oils (50:50, v/v). In this respect, peroxide value (PV), free fatty acids (FFAs), p-anisidine value, induction period, and refractive index of mixed oil were investigated. Predictive regression equations were constructed for the estimation of each studied parameter (R-2 > 0.861). The storage period caused a significant increase in the peroxide value, FFAs, p-anisidine, and refractive index values of the mixed oil, while it decreased the induction period value of oil (P < 0.01). The addition of gallic acid significantly retarded oxidation (P < 0.05), and in general gallic acid and quercetin were found to be effective for preserving oil against oxidation.

Açıklama

Ozturk, Ismet/0000-0003-1434-4763; YALCIN, HASAN/0000-0002-1038-1877; Karaman, Safa/0000-0002-1865-661X; SAGDIC, OSMAN/0000-0002-2063-1462; Toker, Omer Said/0000-0002-7304-2071; DOGAN, Mahmut/0000-0003-1639-4641

Anahtar Kelimeler

Vegetable oil, phenolics, storage, oxidation, response surface methodology

Kaynak

Turkish Journal Of Agriculture And Forestry

WoS Q Değeri

Q2

Scopus Q Değeri

Q2

Cilt

38

Sayı

6

Künye