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Survey of phytochemical composition and biological effects of three extracts from a wild plant (Cotoneaster nummularia Fisch. et Mey.): A potential source for functional food ingredients and drug formulations
Scopus
Open Access Toplam 120 atıf DOI
This study was focused on the analysis of the phenolic content, antioxidant, antibacterial, anti-cholinesterase, anti-tyrosinase, anti-amylase and anti-glucosidase activity of three solvent extracts from Cotoneaster nummularia. Moreover, water extract was tested in terms of mutagenic/anti-mutagenic effects. The antioxidant activities of these extracts were evaluated by DPPH, ABTS, O2, metal chelating, phosphomolybdenum, b-carotene/linoleic acid, ferric and cupric reducing power assays. Enzyme inhibitory activities were also examined with colorimetric methods. Generally, methanol and water extracts exhibited excellent biological activities. These extracts were rich in phenolic and flavonoid content. Furthermore, Cotoneaster extracts indicated appreciable antibacterial properties against human pathogen strains. HPLC analysis showed that ferulic acid, chlorogenic acid, (-)-epicatechin and (+)-catechin were the major phenolics in extracts tested. These data offer that these extracts from C. nummularia may be considered as a potential source of biological agents for developing functional foods or drug formulations. Copyright:
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UHPLC-QTOF-MS analysis of bioactive constituents from two Romanian Goji (Lycium barbarum L.) berries cultivars and their antioxidant, enzyme inhibitory, and real-time cytotoxicological evaluation
Scopus
Havuzumuzda 102 atıf almış
Goji (Lycium barbarum L.) berries are emphasized as healthy food or are used widely as dietary supplements. In the present study, the antioxidant and enzyme inhibitory activities of berries extracts from two selected Romanian cultivars (cv. Erma and cv. Biglifeberry) have been evaluated. UHPLC-QTOF-MS analysis results revealed the presence of organic acids, phenolic acids, flavonoids, fatty acids (oxylipins), and spermidine derivatives. In particular, cv. Erma showed an important tyrosinase-inhibitory effect, whereas, cv. Biglifeberry had a superior antioxidant capacity. Particularly, results provided by the CUPRAC assay showed the highest antioxidant capacity values (26.91 mg TE/g and 35.41 mg TE/g, for ‘Erma’ and ‘Biglifeberry’ respectively). Toxicological properties of the extracts were evaluated with human embryonic kidney cells (HEK-293) using the cytotoxicity analysis platform iCELLigence, real-time and label-free impedance technology. No cytotoxic effects were observed in a time- and dose-dependent manner. Overall, Goji berries are a rich source of bioactive compounds with functional properties that need further risk/benefit evaluation when used in foods or health-promoting formulations.
Atıf Yapan Makale Bilgileri
Kurumlar (7)
Ankara Üniversitesi
Ankara, Turkey
Selçuk Üniversitesi
Selçuklu, Turkey
Universidad Austral de Chile
Valdivia, Chile
Universitatea de Medicina si Farmacie Iuliu Hatieganu din Cluj-Napoca
Cluj Napoca, Romania
Universitatea de Stiinte Agricole si Medicina Veterinara din Cluj-Napoca
Cluj Napoca, Romania
Universität Hamburg
Hamburg, Germany
University of G. d'Annunzio Chieti and Pescara
Chieti, Italy