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Piper betle Leaves: Profiling Phenolic Compounds by HPLC/DAD-ESI/MSn and Anti-cholinesterase Activity

Title
Piper betle Leaves: Profiling Phenolic Compounds by HPLC/DAD-ESI/MSn and Anti-cholinesterase Activity
Type
Article in International Scientific Journal
Year
2014
Authors
Federico Ferreres
(Author)
Other
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Andreia P Oliveira
(Author)
Other
The person does not belong to the institution. The person does not belong to the institution. The person does not belong to the institution. Without AUTHENTICUS Without ORCID
Angel Gil Izquierdo
(Author)
Other
The person does not belong to the institution. The person does not belong to the institution. The person does not belong to the institution. Without AUTHENTICUS Without ORCID
Journal
Vol. 25
Pages: 453-460
ISSN: 0958-0344
Publisher: Wiley-Blackwell
Scientific classification
FOS: Natural sciences > Chemical sciences
Other information
Authenticus ID: P-009-SNG
Abstract (EN): Introduction - Piper betle L. is a widely distributed plant in the tropical and subtropical regions, its leaves being largely consumed as a masticator and mouth freshener. Objective - The purposes of this work were to characterise the phenolic profile of this species and to improve knowledge of its anti-cholinesterase properties. Methods - The phenolic composition of P. betle leaf aqueous and ethanol extracts was characterised by HPLC coupled with a diode-array detector and combined with electrospray ionisation tandem MS, and in vitro cholinesterase inhibitory capacity of both extracts was assessed by spectrophotometric microassays. The effect on neuronal cells (SH-SY5Y) viability was evaluated by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide reduction and lactate dehydrogenase leakage. Results - Twelve phenolic compounds, comprising a phenylpropanoid, five cinnamoyl and six flavonoids derivatives were identified in P. betle leaves. Hydroxychavicol was the major compound in both extracts; however, the aqueous extract presented a greater diversity of compounds. Both extracts showed strong activity against both acetyl-and butyrylcholinesterase, which can be due, at least partially, to the phenolic composition. Furthermore, the aqueous extract proved to be cytotoxic to human neuroblastoma cells at concentrations higher than 500 mu g/mL. Conclusion - The results suggest that the consumption of P. betle leaves as an infusion can have a positive impact in the prevention and treatment of neurodegenerative diseases. Apigenin and luteolin derivatives are reported for the first time in this species. Copyright (C) 2014 John Wiley & Sons, Ltd.
Language: English
Type (Professor's evaluation): Scientific
No. of pages: 8
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