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Influence of the Beihua extracts on antioxidant stability of the peanut oil

Daohong Wu

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Abstract

Influence of UV light radiation,metal ion and temperature on peroxide value of peanut oil was investigated for adding Beihua extracts.The hydroxyl free radical scavenging ability and DPPH scavenging rate of the Beihua extracts was discussed.The results showed that peroxide value of the peanut oil of the adding Beihua extracts in UV-light irradiated and adding 0.1 mol/L Pb2+ reaction 6 h decreased 35.64%,14.45% and 56.26%,25.33% in comparison adding BHT and without adding,respectively.The peroxide value of the peanut oil of the adding Beihua extracts in 30 ℃ and 90 ℃ reaction 6 h decreased 14.31%,32.66% and 6.59%,14.81% in comparison adding BHT and without adding,respectively.Hydroxyl free radical scavenging rate and DPPH· scavenging rate of the Beihua extracts increased 2.67 times and 3.82% in comparison adding BHT,respectively.

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What this paper is about

Influence of UV light radiation,metal ion and temperature on peroxide value of peanut oil was investigated for adding Beihua extracts.The hydroxyl free radical scavenging ability and DPPH scavenging rate of the Beihua extracts was discussed.The results showed that peroxide value of the peanut oil of the adding Beihua extracts in UV-light irradiated and adding 0.1 mol/L Pb2+ reaction 6 h decreased 35.64%,14.45% and 56.26%,25.33% in comparison adding BHT and without adding,respectively.The peroxide value of the peanut oil of the adding Beihua extracts in 30 ℃ and 90 ℃ reaction 6 h decreased 14.31%,32.66% and 6.59%,14.81% in comparison adding BHT and without adding,respectively.Hydroxyl free radical scavenging rate and DPPH· scavenging rate of the Beihua extracts increased 2.67 times and 3.82% in comparison adding BHT,respectively.

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Available abstract

Influence of UV light radiation,metal ion and temperature on peroxide value of peanut oil was investigated for adding Beihua extracts.The hydroxyl free radical scavenging ability and DPPH scavenging rate of the Beihua extracts was discussed.The results showed that peroxide value of the peanut oil of the adding Beihua extracts in UV-light irradiated and adding 0.1 mol/L Pb2+ reaction 6 h decreased 35.64%,14.45% and 56.26%,25.33% in comparison adding BHT and without adding,respectively.The peroxide value of the peanut oil of the adding Beihua extracts in 30 ℃ and 90 ℃ reaction 6 h decreased 14.31%,32.66% and 6.59%,14.81% in comparison adding BHT and without adding,respectively.Hydroxyl free radical scavenging rate and DPPH· scavenging rate of the Beihua extracts increased 2.67 times and 3.82% in comparison adding BHT,respectively.

Key concepts: Peanut oil, Chemistry, Peroxide value, Scavenging, DPPH, Peroxide, Antioxidant, Radical

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