Inhibitory potential of the leaves and berries of Myrtus communis L. (myrtle) against enzymes linked to neurodegenerative diseases and their antioxidant actions

TÜMEN İ., ŞENOL DENİZ F. S., ERDOĞAN ORHAN İ.

INTERNATIONAL JOURNAL OF FOOD SCIENCES AND NUTRITION, cilt.63, sa.4, ss.387-392, 2012 (SCI-Expanded) identifier identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 63 Sayı: 4
  • Basım Tarihi: 2012
  • Doi Numarası: 10.3109/09637486.2011.629178
  • Dergi Adı: INTERNATIONAL JOURNAL OF FOOD SCIENCES AND NUTRITION
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.387-392
  • Anahtar Kelimeler: Myrtus communis, myrtle, cholinesterase inhibition, antioxidant activity, FATTY-ACID-COMPOSITION, IN-VITRO, OLIGOMERIC ACYLPHLOROGLUCINOLS, ESSENTIAL OILS, EXTRACTS, ACETYLCHOLINESTERASE, VARIABILITY, PLANTS
  • Gazi Üniversitesi Adresli: Evet

Özet

The dichloromethane (DCM), acetone, ethyl acetate and methanol extracts of the leaves and berries of Myrtus communis L. were screened against acetylcholinesterase (AChE), butyrylcholinesterase (BChE) and tyrosinase (TYRO), the enzymes linked to neurodegenerative diseases, at 200 mu g ml(-1). Antioxidant activity was tested using radical scavenging activity against 2,2-diphenyl-1-picrylhydrazyl (DPPH) and N,N-dimethyl-p-phenylenediamine (DMPD) radicals, metal chelation capacity, ferric-reducing antioxidant power (FRAP) and phosphomolybdenum-reducing antioxidant power (PRAP) assays. Total phenol and flavonoid quantification of the extracts was calculated spectrophotometrically. The extracts showed a moderate AChE (17.49 +/- 3.99% to 43.15 +/- 1.55%) and TYRO inhibition (4.48 +/- 1.50% to 40.53 +/- 0.47%). The leaf extracts were ineffective against BChE, while the berry extracts displayed inhibition between 21.83 +/- 3.82% and 36.80 +/- 2.00%. The polar extracts exerted remarkable scavenging effect against DPPH and DMPD and also in the FRAP assay, where the DCM extract of the berries had the best metal chelation capacity (79.29 +/- 1.14%). This is the first study that demonstrates in vitro neuroprotective effects of myrtle.