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Scavenging of DPPH radical by plant polyphenols
Scavenging of stable DPPH radical by plant polyphenols were determined.
CE - Biochemie
- 2004 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
The Kinetic Determination of Antiradical Activity
Determination of antiradical activity with DPPH radical.
CE - Biochemie
- 2003 •
- D
Rok uplatnění
D - Stať ve sborníku
Antioxidative properties of tronchuda cabbage (Brassica oleracea L. var. costata DC) external leaves against DPPH, superoxide radical, hydroxyl radical and hypochlorous acid
Antioxidative properties of tronchuda cabbage (Brassica oleracea L. var. costata DC) external leaves against DPPH, superoxide radical, hydroxyl radical and hypochlorous acid......
FR - Farmakologie a lékárnická chemie
- 2006 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
DPPH radical scavenging activity of several naturally occuring coumarins and their synthesized analogs measured by the SIA method
The present paper deals with the application of an automated DPPH method, based on the sequential injection analysis system (SIA) equipped with a spectrophotometric DAD; to show advances of this method, in this study, we have evaluated D...
FR - Farmakologie a lékárnická chemie
- 2008 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Czech medicinal plants as a possible source of antioxidants
Antioxidant activity of 17 Czech medicinal plants was determined by spectrophotometric method using a stable synthetic free radical DPPH and compared with antioxidant activity of a green tea....
GM - Potravinářství
- 2007 •
- D
Rok uplatnění
D - Stať ve sborníku
Natural antioxidants as an important component of nutrition
An overview of phenolic antioxidants found in spice herbs is prepared. The results of antioxidant effectiveness of certain herbs of the Lamiaceae and Apiaceae family by DPPH method and in pork fat during Schaal Oven Test are presented in the...
GM - Potravinářství
- 2011 •
- D
Rok uplatnění
D - Stať ve sborníku
ABTS and DPPH methods as a tool for studying antioxidant capacity of spring barley and malt
-diphenyl-1-(2,4,6-trinitrophenyl) hydrazyl (DPPH) were compared and statistically evaluated. The average TEAC of barley determined using ABTS and DPPH ranged from 2.1 in malt were 2.7-3.0 micromol g-1 (ABTS) and 1.8-2.6 micromol g-...
Food and beverages
- 2017 •
- Jimp •
- Link
Rok uplatnění
Jimp - Článek v periodiku v databázi Web of Science
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Effectiveness of some food supplements containing antioxidants
Results of antioxidant capacity measurement about 100 food supplements are presented. The method of stable DPPH radical scavenging was used to evaluation. Only some supplements with declared content of antioxidants showed a significant antio...
GM - Potravinářství
- 2011 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
Evaluation of natural antioxidants of Leuzea carthamoides as result of a screening study of 88 plant extracts from European Asteraceae and Cichoriaceae
88 extracts of various parts of European Asteraceae and Cichoriaceae plants were assayed for free radical scavenging activity by means of DPPH test using the SIA; the leaves of Leuzea carthamiodes were chosen for phytochemical study; seven c...
FR - Farmakologie a lékárnická chemie
- 2008 •
- Jx
Rok uplatnění
Jx - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)
DPPH aqueous antioxidant assay solution
DPPH is a free radical commonly used in antioxidant assay. A purple coloured solution which becomes colourless after reaction with antioxidant is convenient to spectrofotometric analysis. Unfortunately, there are many protocols providing dif...
CG - Elektrochemie
- 2011 •
- D
Rok uplatnění
D - Stať ve sborníku
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