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2019•Agronomy ScienceOpen access

Ekstrakty roślinne zawierające związki fenolowe i ich aktywność antyoksydacyjna

Sebastian Balant, SEBASTIAN GÓRSKI, Agnieszka Najda, Magdalena Walasek-Janusz

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Abstract

The content of polyphenols, flavonoids and antioxidant activity of onion (Allium cepa L.), garlic (Allium sativum L.), spearmint (Mentha spicata) and peppermint (Mentha × piperita) extracts were evaluated. All extracts showed a wide range of total polyphenols from 15.10 to 83.90 mg of GAE · 100 g–1 of gallic acid equivalent and total flavonoid content from 0.50 to 9.2 mg · 100 g–1 of catechin equivalent. Antioxidant activity (AA) was determined by measuring the capture force of 2,2-diphenyl-1-picrylhydrazyl (DPPH). The DPPH radical scavenging activity (IC50 values) of different extracts ranged from 29.9 to 73.4%. Results of laboratory tests were analyzed statistically using appropriate statistical methods.

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What this paper is about

The content of polyphenols, flavonoids and antioxidant activity of onion (Allium cepa L.), garlic (Allium sativum L.), spearmint (Mentha spicata) and peppermint (Mentha × piperita) extracts were evaluated. All extracts showed a wide range of total polyphenols from 15.10 to 83.90 mg of GAE · 100 g–1 of gallic acid equivalent and total flavonoid content from 0.50 to 9.2 mg · 100 g–1 of catechin equivalent. Antioxidant activity (AA) was determined by measuring the capture force of 2,2-diphenyl-1-picrylhydrazyl (DPPH). The DPPH radical scavenging activity (IC50 values) of different extracts ranged from 29.9 to 73.4%. Results of laboratory tests were analyzed statistically using appropriate statistical methods.

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Available abstract

The content of polyphenols, flavonoids and antioxidant activity of onion (Allium cepa L.), garlic (Allium sativum L.), spearmint (Mentha spicata) and peppermint (Mentha × piperita) extracts were evaluated. All extracts showed a wide range of total polyphenols from 15.10 to 83.90 mg of GAE · 100 g–1 of gallic acid equivalent and total flavonoid content from 0.50 to 9.2 mg · 100 g–1 of catechin equivalent. Antioxidant activity (AA) was determined by measuring the capture force of 2,2-diphenyl-1-picrylhydrazyl (DPPH). The DPPH radical scavenging activity (IC50 values) of different extracts ranged from 29.9 to 73.4%. Results of laboratory tests were analyzed statistically using appropriate statistical methods.

Key concepts: DPPH, Gallic acid, Polyphenol, Chemistry, Allium sativum, Allium, Flavonoid, Catechin

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Ekstrakty roślinne zawierające związki fenolowe i ich aktywność antyoksydacyjna — Research Paper | ScholarLens