Antioxidant Activity of Honeysuckle Extract

doi:10.7506/spkx1002-6300-200921015

Abstract

Abstract:

The antioxidant activities of honeysuckle extract and chlorogenic acid were evaluated by ferric ion reducing antioxidant power (FRAP) assay, hydroxyl free radical array and DPPH free radical assay using vitamin C as the reference. Results showed that honeysuckle extract had strong scavenging capacity for hydroxyl and DPPH free radicals. The IC50 of honeysuckle extract for scavenging hydroxyl free radicals was 0.0273 mg/ml. The scavenging rate of honeysuckle extract for DPPH free radicals was 80% when its chlorogenic acid content was 0.006 mg/ml. Meanwhile, the reducing power of chlorogenic acid standard was 2.66- fold and 2.42-fold stronger than that of honeysuckle extract and vitamin C, respectively. Therefore, chlorogenic acid is the major antioxidant component in honeysuckle extract.

Key words: honeysuckle, chlorogenic acid, antioxidant activity

CLC Number:

Q949.781.2

LUO Lei，GUO Xiao-yuan. Antioxidant Activity of Honeysuckle Extract[J]. FOOD SCIENCE, 2009, 30(21 ): 63-65.

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Antioxidant Activity of Honeysuckle Extract

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