Изменение антиоксидантных свойств экстрактов плаценты человека после замораживания

Изменение антиоксидантных свойств экстрактов плаценты человека после замораживания

The experimental data, obtained under comparative evaluation of different freeze-thawing protocols' influence on human placenta extract antioxidant activity, estimated by capacity to reduce the ferric iron and ABTS+ radical, to chelate ferrous ions, to scavenge hydrogen peroxide and also by phe...

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Bibliographische Detailangaben
Datum:2010
Hauptverfasser: Rozanova, S. L., Naumenko, E. I., Rozanova, E. D., Nardid, O. A.
Format: Artikel
Sprache:English
Veröffentlicht: Publishing House ‘Akademperiodyka’ of the National Academy of Sciences of Ukraine; Institute for Problems of Cryobiology and Cryomedicine 2010
Schlagworte:
заморожування-відтавання
екстракт плаценти людини
антиоксидантна активність
Online Zugang:https://cryo.org.ua/journal/index.php/probl-cryobiol-cryomed/article/view/188
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Назва журналу:Problems of Cryobiology and Cryomedicine

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Problems of Cryobiology and Cryomedicine
Beschreibung
Zusammenfassung:The experimental data, obtained under comparative evaluation of different freeze-thawing protocols' influence on human placenta extract antioxidant activity, estimated by capacity to reduce the ferric iron and ABTS+ radical, to chelate ferrous ions, to scavenge hydrogen peroxide and also by phenolic compound content, have been presented. Slow freezing of the extracts down to –20°С has been shown to cause the lowering of its activity, while rapid freezing down to –196°С increases the activity due to protein antioxidants' conformational changes.

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