CAMELIA PAPUC, MARIA CRIVINEANU, VALENTIN NICORESCU, CORINA PREDESCU, EUGENIA RUSU (MIRCEA)<br>Scavenging Activity of Reactive Oxygen Species by Polyphenols Extracted from Different Vegetal Parts of Celandine (Chelidonium majus). Chemiluminescence Screening

CAMELIA PAPUC, MARIA CRIVINEANU, VALENTIN NICORESCU, CORINA PREDESCU, EUGENIA RUSU (MIRCEA)
Scavenging Activity of Reactive Oxygen Species by Polyphenols Extracted from Different Vegetal Parts of Celandine (Chelidonium majus). Chemiluminescence Screening

Abstract:

Celandine (Chelidonium majus) is a wide-spread plant in Europe, Asia and North America. Its leaves, flowers and roots are used in medicine for stimulating the production of bile and pancreatic digestive enzymes; also, celandine extracts are thought to have anti-cancerous, anti-inflammatory and antimicrobial actions. Ethanolic extracts were used for the dosage of polyphenols and flavonoids and also for the evaluation of the decrease of chemiluminescence intensity produced by the reaction of luminol with reactive oxygen species (hydrogen peroxide, superoxide anion, hydroxyl radical, singlet oxygen, hypochlorite anion and peroxyl radical). The obtained results showed that the following relation describes the concentration of total polyphenols and flavonoids in the studied vegetal parts: flowers]leaves]roots]seeds]stems. The polyphenolic extracts exhibited different scavenging activities, depending on their origin and reactive oxygen species that were tested. Hydroxyl radical and hypochlorite anion were strongly scavenged by celandine roots extract. Superoxide anion was scavenged the best by celandine leaves extract. Celandine flowers extract scavenged the best peroxyl radical and singlet oxygen. The extract prepared from celandine leaves had the best capacity to scavenge hydrogen peroxide. Keywords: free radicals, scavenging activity, antioxidant activity, celandine

Issue: 2012, Volume 63, Issue 2

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