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Nutritional composition and bioactivity of Umbilicus rupestris (Salisb.) Dandy: An underexploited edible wild plant

Food Chemistry, ISSN: 0308-8146, Vol: 295, Page: 341-349
2019
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Article Description

The inclusion of edible wild plants in human diet has been receiving an increasing attention, as they represent an easily accessible source of nutrients, vitamins and antioxidants. In this work, the leaves of Umbelicus rupestris (Salisb.) Dandy, an edible species for which only scarce data is available in literature, were thoroughly evaluated for its nutritional profile, chemical characterization and bioactive properties. Being considered a succulent plant, the leaves revealed a very high content of moisture, with several beneficial compounds, including omega-3 polyunsaturated fatty acids, tocopherols and different polyphenols. A total of twelve flavonoids, three phenolic acids and one phenylpropanoid glucoside were identified in the decoction and/or hydroethanolic extracts, with most of them being described for the first time in this plant. Both extracts showed antioxidant activity and potential to inhibit some of the assayed bacteria, while not presenting cytotoxic effects on a non-tumour primary cell culture.

Bibliographic Details

Harumi Iyda, Júlia; Fernandes, Ângela; Calhelha, Ricardo C; Alves, Maria José; Ferreira, Flávio Dias; Barros, Lillian; Amaral, Joana S; Ferreira, Isabel C F R

Elsevier BV

Chemistry; Agricultural and Biological Sciences

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