Nutritional composition of the unexplored mediterranean plant urospermum dalechampii (L.) Scop. ex F.W.Schmidt from Tunisia

Hammami, Nourhen; Rodrigues, Maria João; M’rabet, Yassine; Saadellaoui, Wissal; Hosni, Karim; Stambouli-Essassi, Sondes; Hannachi, Hédia

http://hdl.handle.net/10400.1/27741

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Authors

Hammami, Nourhen

Rodrigues, Maria João

M’rabet, Yassine

Saadellaoui, Wissal

Hosni, Karim

Stambouli-Essassi, Sondes

Hannachi, Hédia

Abstract(s)

Urospermum dalechampii (L.), commonly known as Mediterranean daisy, is an unexplored herbaceous species from the Asteraceae family. This study aims to compare the proximate composition, mineral content and fatty acid profile of its aerial parts and roots. Carbohydrates (46.60–78.00 %), proteins (5.40–13.50 %) and crude fiber (10.40–24.60 %) were the major components in both parts. Ash content were significantly (p < 0.05) higher in aerial parts (13.80 %) and was predominantly composed of potassium, calcium and sodium as macroelements, while iron, zinc and copper were the major trace elements. The oil contents were low in the both studied parts (1.00–1.50 %) and were mostly composed of unsaturated fatty acids (oleic > linolenic > linoleic in the aerial parts versus oleic > linoleic > linolenic in roots) with high nutritional quality having high UFA/SFA, ω-3/ω-6 ratios, low AI, TI and h/H indexes. These results revealed that Urospermum dalechampii could serves as a source of essential minerals, fatty acids, fiber, protein, carbohydrates reflecting its potential applications in food/feed and pharmaceutical fields.