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2016•Shipin yanjiu yu kaifaRequires access

Study on Antioxidant Activities of Polyphenol from Prosomillet Pericarp

Zhen Wang, Chu Min-zhe, Yarong Xue, Guilin Wang, Zhao Er-lao

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Abstract

Ethanol was employed as extracting agent to perform the ultrasonic-assisted extraction of polyphenol from prosomillet pericarp. The antioxidant activity of polyphenol was evaluated by DPPH·and·OH scavenging method. The results showed that the Polyphenol content of prosomillet pericarp was 9.85 mg/g, and the scaveng-ing ability also antioxidant activity to DPPH· and ·OH was significantly strong. Moreover, there were obvious dose-effect relationships between scavenging ability and the concentration of polyphenol.

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What this paper is about

Ethanol was employed as extracting agent to perform the ultrasonic-assisted extraction of polyphenol from prosomillet pericarp. The antioxidant activity of polyphenol was evaluated by DPPH·and·OH scavenging method. The results showed that the Polyphenol content of prosomillet pericarp was 9.85 mg/g, and the scaveng-ing ability also antioxidant activity to DPPH· and ·OH was significantly strong. Moreover, there were obvious dose-effect relationships between scavenging ability and the concentration of polyphenol.

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Available abstract

Ethanol was employed as extracting agent to perform the ultrasonic-assisted extraction of polyphenol from prosomillet pericarp. The antioxidant activity of polyphenol was evaluated by DPPH·and·OH scavenging method. The results showed that the Polyphenol content of prosomillet pericarp was 9.85 mg/g, and the scaveng-ing ability also antioxidant activity to DPPH· and ·OH was significantly strong. Moreover, there were obvious dose-effect relationships between scavenging ability and the concentration of polyphenol.

Key concepts: Polyphenol, Antioxidant, DPPH, Chemistry, Scavenging, Food science, Extraction (chemistry), Ethanol

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