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Publication
Assessing the In Vitro Inhibitory Effects on Key Enzymes Linked to Type-2 Diabetes and Obesity and Protein Glycation by Phenolic Compounds of Lauraceae Plant Species Endemic to the Laurisilva Forest
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Advisor(s)
Abstract(s)
Methanolic leaf extracts of four Lauraceae species endemic to Laurisilva forest (Apollonias
barbujana, Laurus novocanariensis, Ocotea foetens and Persea indica) were investigated for the first
time for their potential to inhibit key enzymes linked to type-2 diabetes (α-amylase, α-glucosidase,
aldose reductase) and obesity (pancreatic lipase), and protein glycation. Lauraceae extracts revealed
significant inhibitory activities in all assays, altough with different ability between species. In general,
P. indica showed the most promissing results. In the protein glycation assay, all analysed extracts
displayed a stronger effect than a reference compound: aminoguanidine (AMG). The in vitro anti diabetic, anti-obesity and anti-glycation activities of analysed extracts showed correlation with
their flavonols and flavan-3-ols (in particular, proanthocyanins) contents. These Lauraceae species
have the capacity to assist in adjuvant therapy of type-2 diabetes and associated complications,
through modulation of the activity of key metabolic enzymes and prevention of advanced glycation
end-products (AGEs) formation.
Description
Keywords
Type-2 diabetes Lauraceae Polyphenols Digestive enzymes inhibition Aldose reductase inhibition Protein glycation inhibition . Faculdade de Ciências Exatas e da Engenharia Centro de Química da Madeira
Citation
Spínola, V.; Castilho, P.C. Assessing the In Vitro Inhibitory Effects on Key Enzymes Linked to Type-2 Diabetes and Obesity and Protein Glycation by Phenolic Compounds of Lauraceae Plant Species Endemic to the Laurisilva Forest. Molecules 2021, 26, 2023. https://doi.org/10.3390/ molecules26072023
Publisher
MDPI