Bioactive compounds of pumpkin juice assortments

Moigradean, Diana and Poiana, Mariana-Atena and Alda, Liana Maria and Stoin, Daniela and Cozma, Antoanela: Bioactive compounds of pumpkin juice assortments. Proceedings of the International Symposium on Analytical and Environmental Problems, (24). pp. 166-169. (2018)

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Abstract

The purpose of this study was to obtain and characterize of some fresh pumpkin juices with addition of water, walnuts, honey, cinnamon and fresh peppermint leaves. Total soluble content, vitamin C by titration with a 2,6-dichlorophenolindophenol sodium, antioxidant capacity by FRAP assay and total phenolic content by Folin-Ciocalteu method were analyzed. Vitamin C content ranged from 0.09 to 0.15 mg/mL, with 0.13 mg/mL in individual pumpkin juice; the juice assortment without walnuts has the lower vitamin C content. Among the investigated juices, the pumpkin juice assortment with all ingredients have the higher amount total polyphenol content (4.19 mM GAE/mL) and the total antioxidant capacity (2.53 mM Fe2+/mL). We observed that the fresh pumpkin juice assortments are a real source of bioactive compounds.

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