2010
DOI: 10.15193/zntj/2010/71/081-094
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Macro- And Microelements in Dete Rmination of Different Forms of Ellagic Acid in by-Products From Strawberry Processing

Abstract:  OZNACZANIE ZAWARTOŚCI ROŻNYCH FORM KWASU ELAGOWEGO W UBOCZNYCH PRODUKACH PRZEROBU TRUSKAWEKS t r e s z c z e n i e Celem pracy był wybór rozpuszczalnika i warunków ekstrakcji elagotanin (ET) z wysuszonych odpadów przerobu truskawek oraz opracowanie sposobu hydrolizy estrów kwasu elagowego (KE) w glicerolowych roztworach kwasu trifluorooctowego (TFA). Równorzędnym celem było zastosowanie nowej generacji kolumny chromatograficznej do oznaczania zawartości wolnego i związanego KE w wybranych, ubocznych produkta… Show more

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Cited by 10 publications
(12 citation statements)
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“…In such conditions, depolymerization and intensive release of HHDP acid and formation of EA could be expected. Standard hydrolysis of ET for the total determination based on EA is conducted in 2 M TFA medium, 95 °C, and for at least 6 h; 38 so when using 10 times lower the concentration of this acid, it was assumed that many intermediate ET hydrolysis products will be formed.…”
Section: Materials and Methodsmentioning
confidence: 99%
“…In such conditions, depolymerization and intensive release of HHDP acid and formation of EA could be expected. Standard hydrolysis of ET for the total determination based on EA is conducted in 2 M TFA medium, 95 °C, and for at least 6 h; 38 so when using 10 times lower the concentration of this acid, it was assumed that many intermediate ET hydrolysis products will be formed.…”
Section: Materials and Methodsmentioning
confidence: 99%
“…The major factor determining the hydrolysis of ETs is its chemical structure. This has some health benefits (Klimczak and Boguslaw, 2010). To study the bioavailability of ETs and to study its presence in plant foods, ellagic acid could be used as a biomarker (Seeram et al, 2004).…”
Section: Bioavailability and Metabolismmentioning
confidence: 99%
“…The structural diversity of ellagitannins and their hydrolytic susceptibility lead to health benefi ts [Klimczak and Król 2010]. The ester linkages in ellagitannins hydrolyse relatively slowly, which causes prolonged gastrointestinal secretion of ellagic acid [Larrosa et al.…”
Section: The Chemical Structure and Metabolism Of Ellagitanninsmentioning
confidence: 99%