In vitro inhibitory effects of Limonium contortirameum and L. virgatum extracts from Sardinia on ?-amylase, ?-glucosidase and pancreatic lipase (Articolo in rivista)

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  • In vitro inhibitory effects of Limonium contortirameum and L. virgatum extracts from Sardinia on ?-amylase, ?-glucosidase and pancreatic lipase (Articolo in rivista) (literal)
Anno
  • 2014-01-01T00:00:00+01:00 (literal)
Alternative label
  • Foddai M.; Kasabri V.; Petretto G.L.; Azara E.; Sias A.; Afifi F.U.; Delogu G.; Chessa M.; Pintore G. (2014)
    In vitro inhibitory effects of Limonium contortirameum and L. virgatum extracts from Sardinia on ?-amylase, ?-glucosidase and pancreatic lipase
    in Natural product communications (Online)
    (literal)
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  • Foddai M.; Kasabri V.; Petretto G.L.; Azara E.; Sias A.; Afifi F.U.; Delogu G.; Chessa M.; Pintore G. (literal)
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  • 181 (literal)
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  • 184 (literal)
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  • 9 (literal)
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  • 2 (literal)
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  • Department of Chemistry and Pharmacy, University of Sassari, 07100, Sassari, Italy; Department of Biopharmaceutics and Clinical Pharmacy, Faculty of Pharmacy, University of Jordan, Amman 11942, Jordan; Department of Pharmaceutical Sciences, Faculty of Pharmacy, University of Jordan, Amman 11942, Jordan; National Research Center, Institute of Biomolecular Chemistry, 07100, Sassari, Italy (literal)
Titolo
  • In vitro inhibitory effects of Limonium contortirameum and L. virgatum extracts from Sardinia on ?-amylase, ?-glucosidase and pancreatic lipase (literal)
Abstract
  • Pancreatic triacylglycerol lipase (PL), ?-amylase and ?-glucosidase are interesting pharmacological targets for the management of dyslipidemia, atherosclerosis, and obesity-diabetes. Limonium spp (Plumbaginaceae) are endemic to Sardinia, Italy. Comparable with acarbose, aqueous extracts (AE) of L. contortirameum and L. virgatum, and their phytoconstituent gallic acid concentration gradients (mg/mL) were identified as in vitro potent (p<0.001, n=3) and efficacious dual inhibitors of ?-amylase and ?-glucosidase with respective IC50 (mg/mL) values of 0.6 ± 0.1, 1.2 ± 0.1 and 0.15 ± 0.02. Equivalent to orlistat (PL IC50 of 0.114 ± 0.004 ?g/mL), L. contortirameum, L. virgatum AE and their phytoprinciple gallic acid inhibited PL substantially (p <0.001, n=3) in a dose-dependent manner in vitro with PL- IC50 (?g/mL) of 920.4 ± 105.2, 593.1 ± 56.8 and 8.4 ± 0.9, respectively. LC-MS analysis of extracts revealed the presence of several phenolic compounds in their aglycon and glycoside forms. These are catechins, flavones, epigallocatechins and flavonols. Flavonoid- and polyphenol-rich L contortirameum and L. virgatum, modulating gastrointestinal carbohydrate and lipid digestion and absorption, may be advocated as candidates for obesity-diabetes prevention and phytotherapy. (literal)
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