Zbigniew Sroka

Summary

Country: Poland

Publications

  1. ncbi Antioxidative and antiradical properties of plant phenolics
    Zbigniew Sroka
    Department of Pharmacognosy, Wrocław University of Medicine, Poland
    Z Naturforsch C 60:833-43. 2005
  2. ncbi Phenolic extracts from meadowsweet and hawthorn flowers have antioxidative properties
    Z Sroka
    Department of Pharmacognosy, Wrocław University of Medicine, Poland
    Z Naturforsch C 56:739-44. 2001
  3. ncbi Hydrogen peroxide scavenging, antioxidant and anti-radical activity of some phenolic acids
    Z Sroka
    Department of Pharmacognosy, Wroclaw University of Medicine, pl Nankiera 1, 50 140, Wroclaw, Poland
    Food Chem Toxicol 41:753-8. 2003
  4. ncbi [Low-molecular antioxidant compounds of natural origin]
    Zbigniew Sroka
    Katedra i Zakład Farmakognozji, Akademii Medycznej we Wrocławiu
    Postepy Hig Med Dosw (Online) 59:34-41. 2005
  5. ncbi Antiradical and anti-H2O2 properties of polyphenolic compounds from an aqueous peppermint extract
    Zbigniew Sroka
    Department of Pharmacognosy, Wrocław Medical University, pl Nankiera 1, 50 140 Wrocław, Poland
    Z Naturforsch C 60:826-32. 2005
  6. ncbi Antiradical activity of hydrolyzed and non-hydrolyzed extracts from Helichrysi inflorescentia and its phenolic contents
    Zbigniew Sroka
    Department of Pharmacognosy, Wrocłlaw University of Medicine, Wrocłlaw, Poland
    Z Naturforsch C 59:363-7. 2004
  7. doi  The antiradical activity of some plant raw materials and extracts obtained from these raw materials
    Aleksandra Kasprzyk
    Department of Pharmacognosy, Wrocław Medical University, Wrocław, Poland
    Postepy Hig Med Dosw (Online) 66:146-52. 2012
  8. ncbi Investigation of antiradical potential of different kinds of teas and extracts from these teas using antiradical activity units (TAU)
    Damian Wojciechowski
    Department of Pharmacognosy, Wrocław Medical University, Wrocław, Poland
    Postepy Hig Med Dosw (Online) 65:796-803. 2011
  9. ncbi The screening analysis of antiradical activity of some plant extracts
    Zbigniew Sroka
    Department of Pharmacognosy, Wrocław Medical University, Wrocław, Poland
    Postepy Hig Med Dosw (Online) 60:563-70. 2006
  10. doi Antioxidant activity of selected phenols estimated by ABTS and FRAP methods
    Izabela Biskup
    Department of Pharmacognosy, Silesian Piasts Wrocław Medical University, Wrocław, Poland
    Postepy Hig Med Dosw (Online) 67:958-63. 2013

Collaborators

  • Izabela Fecka
  • Andrzej Gamian
  • Izabela Biskup
  • Aleksandra Kasprzyk
  • Damian Wojciechowski
  • Iwona Golonka
  • Beata Zbikowska

Detail Information

Publications10

  1. ncbi Antioxidative and antiradical properties of plant phenolics
    Zbigniew Sroka
    Department of Pharmacognosy, Wrocław University of Medicine, Poland
    Z Naturforsch C 60:833-43. 2005
    ..The substitution of a methoxy group in ortho position to the OH in monophenols seems to favour the antioxidative activity of the former...
  2. ncbi Phenolic extracts from meadowsweet and hawthorn flowers have antioxidative properties
    Z Sroka
    Department of Pharmacognosy, Wrocław University of Medicine, Poland
    Z Naturforsch C 56:739-44. 2001
    ..The residues from meadowsweet flowers exhibited stronger antioxidative properties than residues obtained from hawthorn inflorescence and can be recommended as margarine preservatives...
  3. ncbi Hydrogen peroxide scavenging, antioxidant and anti-radical activity of some phenolic acids
    Z Sroka
    Department of Pharmacognosy, Wroclaw University of Medicine, pl Nankiera 1, 50 140, Wroclaw, Poland
    Food Chem Toxicol 41:753-8. 2003
    ..The model of an ortho substitution of hydroxyl groups to the aromatic ring seems to be adequate for antioxidant and H(2)O(2) or DPPH(*) scavenging activity of phenolic acids...
  4. ncbi [Low-molecular antioxidant compounds of natural origin]
    Zbigniew Sroka
    Katedra i Zakład Farmakognozji, Akademii Medycznej we Wrocławiu
    Postepy Hig Med Dosw (Online) 59:34-41. 2005
    ..In this study, the in vivo and in vitro antioxidant and antiradical activities of some antioxidants contained in vegetable foods as well as the possibility of their prooxidant activity are described...
  5. ncbi Antiradical and anti-H2O2 properties of polyphenolic compounds from an aqueous peppermint extract
    Zbigniew Sroka
    Department of Pharmacognosy, Wrocław Medical University, pl Nankiera 1, 50 140 Wrocław, Poland
    Z Naturforsch C 60:826-32. 2005
    ..Our results suggest that eriocitrin is a powerful peppermint antioxidant and a free radical scavenger...
  6. ncbi Antiradical activity of hydrolyzed and non-hydrolyzed extracts from Helichrysi inflorescentia and its phenolic contents
    Zbigniew Sroka
    Department of Pharmacognosy, Wrocłlaw University of Medicine, Wrocłlaw, Poland
    Z Naturforsch C 59:363-7. 2004
    ..We concluded that the hydrolysis process led to a significant increase of free caffeic acid (strong antioxidant) concentration resulting in increased antiradical activity of residue C...
  7. doi  The antiradical activity of some plant raw materials and extracts obtained from these raw materials
    Aleksandra Kasprzyk
    Department of Pharmacognosy, Wrocław Medical University, Wrocław, Poland
    Postepy Hig Med Dosw (Online) 66:146-52. 2012
    ..In this situation one should provide the organism with powerful antioxidants as a medicine or in the diet. A rich source of strong antioxidants such as phenolic compounds is plant raw materials, which are the subject of our study...
  8. ncbi Investigation of antiradical potential of different kinds of teas and extracts from these teas using antiradical activity units (TAU)
    Damian Wojciechowski
    Department of Pharmacognosy, Wrocław Medical University, Wrocław, Poland
    Postepy Hig Med Dosw (Online) 65:796-803. 2011
    ..Antiradical activity of extracts and raw materials was measured using DPPH and ABTS(•+) radicals...
  9. ncbi The screening analysis of antiradical activity of some plant extracts
    Zbigniew Sroka
    Department of Pharmacognosy, Wrocław Medical University, Wrocław, Poland
    Postepy Hig Med Dosw (Online) 60:563-70. 2006
    ..In this paper the antiradical activities of some plant raw materials were investigated...
  10. doi Antioxidant activity of selected phenols estimated by ABTS and FRAP methods
    Izabela Biskup
    Department of Pharmacognosy, Silesian Piasts Wrocław Medical University, Wrocław, Poland
    Postepy Hig Med Dosw (Online) 67:958-63. 2013
    ..Too high level of free radicals leads to cell and tissue damage, which may cause asthma, Alzheimer disease, cancers, etc. Taking phenolics with the diet as supplements or natural medicines is important for homeostasis of the organism...