Antiradical activity and amount of phenolic compounds in extracts obtained from some plant raw materials containing methylxanthine alkaloids

Journal Title: Herba Polonica - Year 2015, Vol 61, Issue 3

Abstract

Raw materials containing methylxanthine alkaloids such as yerba mate, guaraná, white and green tea, coffee seeds, chocolate and cacao seed powder and extracts obtained from these raw materials were investigated for their antioxidant features and the amount of phenolic compounds. The level of phenolic compounds was measured with the colorimetric method using Folin-Ciocalteu’s phenol reagent and antioxidant features was determined with the use of DPPH (2,2-diphenyl-1-picrylhydrazyl radical). Amounts of phenolic compounds were presented in percentages per mass of extracts and mass of raw materials. Antiradical potential was shown as the number of TAU DPPH units per mg of extracts and g of raw materials. The highest number of antiradical units TAU DPPH as well as the amount of phenolic compounds was calculated for white tea and its extracts and lowest for chocolate. The correlation coefficient between the content of phenolics and antiradical features of raw materials is equal to r=0.994.

Authors and Affiliations

Zbigniew Sroka, Maria Janiak, Andrzej Dryś

Keywords

Related Articles

Discovering herbalism through art. Plants in Polish symbolic painting (1890–1914)

The article focuses on the historical link between herbalism and art at the turn of the twentieth century. The aim of this investigation is to recognize medicinal plants shown as symbols in Polish painting between 1890 a...

Diversity of Eleutherococcus genus in respect of biologically active compounds accumulation

Eight species of Eleutherococcus genus grown at Rogów Arboretum collection were compared in respect of biologically active compounds accumulation, i.e. eleutheroside B and E, phenolic acids and sterols. For the determina...

Variability of southern sweet-grass (Hierochloë australis /Schrad./ Roem. & Schult.) wild growing populations occurring in eastern Poland

Southern sweet-grass is a perennial grass distributed through north-eastern Europe. In Poland, this rare, partially protected plant grows wild in well-lit coniferous or mixed forests. Its leaves, rich in coumarin compoun...

Maidenhair tree (Ginkgo Bilobae) leaf extraction products in the light of Biopharmaceutics Classification System (BCS) requirements and medium of diversified polarity (εM)

Model maidenhair tree (Ginkgo bilobae) leaf extracts were created basing on medium of diversified polarity (ԐM). Chromatographic analysis was performed with the HPLC method, with the so-called dry residue remaining after...

Antioxidant activity of Trachystemon orientalis (L.) G. Don (Borage) grown and eaten as food in Ordu, Turkey

Introductıon: Instead of synthetic antioxidants, using of natural products with antioxidant activity is demanded. Objectıve: The aim of this study is to evaluate the antioxidant activity and total phenolic and flavonoid...

Download PDF file
  • EP ID EP266774
  • DOI 10.1515/hepo-2015-0022
  • Views 80
  • Downloads 0

How To Cite

Zbigniew Sroka, Maria Janiak, Andrzej Dryś (2015). Antiradical activity and amount of phenolic compounds in extracts obtained from some plant raw materials containing methylxanthine alkaloids. Herba Polonica, 61(3), -. https://europub.co.uk/articles/-A-266774