Antioxidative and chelating properties of anthocyanins in Azolla imbricata induced by cadmium

• Autorzy: Dai L.-P. , Dong X.-J. , Ma H.-H.
• Języki publikacji: EN

Abstrakty

EN

To investigate the biological activities of anthocyanins, which are induced by cadmium in A. imbricata, the antioxidant properties of anthocyanins were investigated using various antioxidant assays, namely 1,1 -diphenyl-2-picrylhydrazyl (DPPH) radical scavenging activity, 2,2'-azinobis-(3-ethylbenzthiazoline-6- sulfonic acid) (ABTS) radical scavenging activity, reducing power, and β-carotene bleaching assay. Results showed that anthocyanins exhibited excellent antioxidant activities in all assays and the EC₅₀ values of DPPH radicals scavenging, ABTS radicals scavenging, reducing power and β-carotene bleaching assay were 19.08, 10.69, 40.93, and 44.19 µg∙mL⁻¹, respectively. The Cd²⁺ chelation potency of anthocyanins was also investigated in vitro. Under given conditions, Cd²⁺ chelating ability of anthocyanins increased significantly with increase in contact time, anthocyanins concentration in dialysis tubing and Cd²⁺ concentration in solution. Based on these results, anthocyanins inducibly synthesized by Cd2 treatment was a powerful antioxidant, as well as Cd²⁺ chelator, might play a role in detoxification of Cd in A. imbricata.

Słowa kluczowe

EN

antioxidative property; chelating property; anthocyanin; Azolla imbricata; cadmium; toxicity; antioxidation; biological activity; cadmium concentration

• Wydawca: -
• Czasopismo: Polish Journal of Environmental Studies
• Rocznik: 2012
• Tom: 21
• Numer: 4
• Opis fizyczny: p.837-844,fig.,ref.

Twórcy

autor

Dai L.-P.

• School of Life and Environmental Science, Wenzhou University, Chashan University Town, Wenzhou, Zhejiang Province 325035, People’s Republic of China

autor

Dong X.-J.

autor

Ma H.-H.

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