Black carrot pomace as a source of polyphenols for enhancing the nutritional value of cake: An in vitro digestion study with a standardized static model

Senem Kamiloglu, Gulay Ozkan, Hanife Isik, Ozge Horoz, John Van Camp, Esra Capanoglu*

*Bu çalışma için yazışmadan sorumlu yazar

Araştırma sonucu: ???type-name???Makalebilirkişi

55 Atıf (Scopus)

Özet

Black carrot pomace (BCP), an industrial by-product of juice processing, is a promising source of polyphenols, in particular anthocyanins. In the present study, we investigated the digestive stability of polyphenols from BCP enriched cakes and monitored changes in their antioxidant capacity using a standardized static in vitro digestion model. Results showed that although enrichment of cake flour with BCP at levels of 50 g/kg, 100 g/kg and 150 g/kg caused a dose-dependent increase in anthocyanins (72–267 μg/g dw), phenolic acids (49–148 μg/g dw), total phenolics (54–202 mg GAE/100 g dw) and total antioxidant capacity (21–129 to 153–478 mg TE/100 g dw) for undigested samples, there was no statistical difference between the 100 g/kg and 150 g/kg BCP enriched sample (p > 0.05) after digestion. During the simulated bucal and gastric digestion the amount of anthocyanins and phenolic acids were reduced significantly (46–74% and 35–65%, respectively) (p < 0.05), whereas no anthocyanins were detected after simulated intestinal digestion. On the other hand, significant increases in total phenolic content and total antioxidant capacity were obtained after simulated gastric and intestinal digestion (up to 5- and 12-fold respectively).

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)475-481
Sayfa sayısı7
DergiLWT
Hacim77
DOI'lar
Yayın durumuYayınlandı - 1 Nis 2017

Bibliyografik not

Publisher Copyright:
© 2016

Finansman

Senem Kamiloglu is supported by a PhD fellowship from Ghent University research fund (BOF; 01SF0214). The authors would like to thank TUBITAK, the Scientific and Technological Council of Turkey (Project 115O147) and Istanbul Technical University (BAP; 39135), Scientific Research Projects Unit (BAP) for financial support.

FinansörlerFinansör numarası
Scientific Research Projects Unit
TUBITAK
British Association for Psychopharmacology39135
Universiteit Gent01SF0214
Türkiye Bilimsel ve Teknolojik Araştirma Kurumu115O147
Istanbul Teknik Üniversitesi

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