Thermal degradation kinetics of rutin and total phenolic compounds in rosehip (Rosa canina L.) nectar
Abstract
In
this research it is attempted to determine the loss of rutin and total phenolic
compounds in rosehip nectar with the heating periods (0, 5, 10, 15, 20 and 30
min) at temperatures ranging from 70 to 95 °C. Spectrophotometric and liquid
chromatographic (HPLC) methods were used to determine the concentrations of total
phenolic compounds and rutin, respectively. Thermal degradations of TPC and
rutin in rosehip nectar were fitted to a first-order reaction kinetic model.
Arrhenius relationship was used in order to describe the temperature dependence
of reaction. Activation energies for rutin and TPC between 70 to 95 °C were
found to be 46.90 and 35.72 J/mol, respectively.
Keywords
Kaynakça
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Ayrıntılar
Birincil Dil
İngilizce
Konular
Mühendislik
Bölüm
Araştırma Makalesi
Yayımlanma Tarihi
28 Aralık 2018
Gönderilme Tarihi
9 Şubat 2017
Kabul Tarihi
-
Yayımlandığı Sayı
Yıl 2018 Cilt: 24 Sayı: 7