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STUDY ON ANTIOXIDANT ACTIVITIES OF PURPLE CABBAGE PIGMENT

Donghua Li

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Abstract

In this paper, the antioxidant activities of purple cabbage pigment were studied and evaluated by determining the reducing capacity, antioxidant activity on lipid- peroxidation,free radical -scavenging activity on DPPH.At the same time,the anthocyanin contents was mensurated.The results showed that they had stronger reducing capacity,antioxidant activity on lipid-peroxidation,and scavenging effects on DPPH radical. In the range of test concentration, the maximum scavenging or inhibition rate to linoleic acid auto-oxidation,DPPH radical was 54.39 %, 93.2 % respectively.The results suggested that the purple cabbage pigment has antioxidant activities with broad application prospects.

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What this paper is about

In this paper, the antioxidant activities of purple cabbage pigment were studied and evaluated by determining the reducing capacity, antioxidant activity on lipid- peroxidation,free radical -scavenging activity on DPPH.At the same time,the anthocyanin contents was mensurated.The results showed that they had stronger reducing capacity,antioxidant activity on lipid-peroxidation,and scavenging effects on DPPH radical. In the range of test concentration, the maximum scavenging or inhibition rate to linoleic acid auto-oxidation,DPPH radical was 54.39 %, 93.2 % respectively.The results suggested that the purple cabbage pigment has antioxidant activities with broad application prospects.

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Available abstract

In this paper, the antioxidant activities of purple cabbage pigment were studied and evaluated by determining the reducing capacity, antioxidant activity on lipid- peroxidation,free radical -scavenging activity on DPPH.At the same time,the anthocyanin contents was mensurated.The results showed that they had stronger reducing capacity,antioxidant activity on lipid-peroxidation,and scavenging effects on DPPH radical. In the range of test concentration, the maximum scavenging or inhibition rate to linoleic acid auto-oxidation,DPPH radical was 54.39 %, 93.2 % respectively.The results suggested that the purple cabbage pigment has antioxidant activities with broad application prospects.

Key concepts: Antioxidant, DPPH, Chemistry, Anthocyanin, Pigment, Lipid peroxidation, Scavenging, Food science

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