Abstract

In the study, the phenolic components and antioxidant activities of edible and nonedible parts of tuber of Arum italicum plant were carried out to determine in methanolic and water extracts. In addition, the antioxidant potential of these parts of the plant was associated with their phenolic composition. Total phenolic content, FRAP, CUPRAC and DPPH tests as radical scavenging activity were performed to determine the antioxidant activity of the plant. The phenolic profiles in the two parts of the tuber were determined in the prepared methanolic extracts by RP–HPLC–UV and LC–MS/MS. The highest values of the total phenolic content, FRAP, CUPRAC and % DPPH were measured in methanolic extracts of nonedible parts of the tuber as 164 µg GAE / mL, 878 TEAC (µM), 0.064 TEAC (µM) and 19.41, respectively. Phenolic profiles of methanolic extracts include rutin, epicatechin, caffeic acid, ferulic acid, p-coumaric acid and vanillin as major components. According to these results, it can be concluded that the nonedible tuber part can be consumed as food.

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