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Some physicochemical properties, antioxidant activity, and total phenolic content of Stachys germanica ssp. cordegira briq seeds oil
1  Engineering Laboratory of Organometallic and Molecular Materials, Faculty of Sciences, Sidi Mohammed Ben Abdellah University, Po. Box 1796 (Atlas), 30000 Fez, Morocco
Academic Editor: Jean Jacques Vanden Eynde

Abstract:

Stachys germanica subsp.cordigera briq, belonging to the Lamiaceae family, is an emerging Moroccan plant with oily seeds. According to our best knowledge, no information is available about the characteristics of this Stachys species seeds oil. This study aimed to investigate some physicochemical properties, pigments content, in addition to total phenolic content (TPC) and antioxidant activity of Stachys germanica subsp.cordigera briq seeds oil. The physicochemical characteristics including peroxide value, acid value, and saponification value were carried out by standard methods, whereas, the TPC were determined by Folin-Ciocalteu method, and the antioxidant activity was assessed by 1,1-diphenyl-2-picrylhydrazyl (DPPH) scavenging capacity, Ferric reducing antioxidant power (FRAP) and total antioxidant capacity (TAC) assays. It was observed that Stachys germanica subsp.cordigera briq seeds oil has low values of acidity, peroxide value as well as total carotenoids and chlorophyll content while high level in saponification value, TPC, total antioxidant capacity, and radical scavenging activity have been shown. These preliminary results revealed that Stachys germanica subsp.cordigera briq seeds seems to be an interesting source of bioactive substances with potential uses in foods, cosmetics, and pharmaceuticals, and further detailed studies are required to examine its chemical composition and functional compounds.

Keywords: Stachys germanica subsp.cordigera briq, seeds oil, physicochemical properties, TPC, antioxidant activity
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