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Functional constituents of wild and cultivated Goji (L. barbarum L.) leaves: phytochemical characterization, biological profile, and computational studies
Scopus
Open Access Toplam 182 atıf DOI
Goji (Lycium barbarum L.) leaves are emphasized as a functional tea or as dietary supplements. The phenolic compound profile, antioxidant, enzyme inhibitory, antimicrobial, and antimutagenic activities of leaf extracts from two selected cultivars in comparison with wild-growing plants have been evaluated. HPLC-DAD/ESI-ToF-MS analysis revealed the presence of phenolic acids and flavonoids with chlorogenic acid and rutin being the dominant compounds in the cultivated plants, whereas rutin and kaempeferol-3-O-rutinoside for wild growing ones. In particular, cv. Erma contained the highest amount of chlorogenic acid and showed a strong tyrosinase-inhibitory effect. Staphylococcus aureus, Listeria monocytogenes, and Penicillium funiculosum were the most sensitive strains when exposed to extracts from cultivated plants. Antimutagenic activity was evaluated by Ames' test. The tested extracts provided high protection against mutagenicity induced by 2-anthramine (2-AA) to Salmonella typhimurium strains TA 98 and TA 100 (max. inhibition (%) 88% and 74.2%, respectively). Overall, Goji leaves are a rich source of bioactive compounds with functional properties that need further risk/benefit evaluation when used in foods or health-promoting formulations.
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Asphodeline cilicica Tuzlaci: From the plant to its most active part extract and its broad bioactive properties
Scopus
Havuzumuzda Open Access 6 atıf almış
This study investigated into the polyphenolic content, antioxidant and enzyme (α-amylase, α-glucosidase, tyrosinase, acetylcholinesterase [AChE], and butyrylcholinesterase [BChE]) inhibitory activities of 12 extracts of the endemic Asphodeline cilicica (AC) Tuzlaci, from Turkey. The total phenolic content for the methanol and acetone extracts of AC roots were 56.52 and 52.96 mg GAEs/g extract, respectively. Both the acetone and methanol extracts of AC roots exhibited an important antioxidant capacity. Likewise, the acetone and methanol extracts of AC roots revealed to be the most potent scavengers of DPPH radical (58.25 and 58.78 mg TEs/g extract). Acetone extract of AC roots inhibited α-amylase showing an acarbose equivalent value (mmol ACAEs/g extract) of 0.27, while against α-glucosidase the value recorded was 2.30. The acetone and methanol extracts of the different plant parts of AC inhibited AChE and BChE, while no/poor activity was noted for the water extracts. In the present study, extracts of AC showed inhibitory activity against key enzymes involved in diabetes and neurodegenerative complications, thereby advocating for the need for in-depth studies geared towards the discovery of pharmacophores from this endemic plant.
Atıf Yapan Makale Bilgileri
Kurumlar (5)
REEF Environmental Consultancy
Puducherry, India
Selçuk Üniversitesi
Selçuklu, Turkey
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
University of Mauritius
Reduit, Mauritius