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https://open.uns.ac.rs/handle/123456789/15341
Title: | Polyphenolic content and antioxidant activity of the four berry fruits pomace extracts | Authors: | Vulić, Jelena Tumbas Šaponjac, Vesna Stajčić, Slađana Đilas, Sonja Ćetković, Gordana Čanadanović-Brunet, Jasna |
Issue Date: | 1-Dec-2011 | Publisher: | Novi Sad: University of Novi Sad, Faculty of Technology, Novi Sad | Journal: | Acta Periodica Technologica | Abstract: | Four berry (bilberry, blackberry, strawberry and raspberry) fruits pomace, a waste product coming from juice production, were extracted with 80% methanol containing 0.05% acetic acid. The highest content of antioxidant components, total polyphenols, flavonoids and anthocyanins, was found in the bilberry pomace extract (1116.24, 1047.39 and 1279.49 mg/100g fresh pomace, respectively). The antioxidant activity of the four berry pomace extracts (BPE) was determined using DPPH free radical scavenging assay and reducing power. There was a high linear correlation between the IC 50 and content of anthocyanins (r 2=0.98) and polyphenols (r 2=0.85). Also, a good correlation was found between the IC 50 and the content of flavonoids. The strawberry pomace extract showed the highest (RP 0.5=0.35 mg/ml), while the blackberry pomace extract showed the lowest (RP 0.5=0.57 mg/ml) reducing power. The results showed that BPE can be a valuable source of natural ingrediences of the products in the food, cosmetical and pharmaceutical industry. | URI: | https://open.uns.ac.rs/handle/123456789/15341 | ISSN: | 14507188 | DOI: | 10.2298/APT1142271V |
Appears in Collections: | TF Publikacije/Publications |
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