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Optimization of Total flavonoids Extraction from Orange leaf by Response Surface Methodology and It's antioxidant activity

Jiao Shi-rong

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Abstract

The extraction of flavonoids from orange peel with microwave assisted and antioxidant activity were studied in this paper.The best processing conditions were attained by single factors and RSM,when solid-liquid ratio was 1:34,mesh was 80,at 231W for 72s,two times,the yield of flavonoids was 16.58mg/g.The result of DPPH radical scavenging effect showed that the EC50(Half elimination concentration) was 40.5μg/mL.

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What this paper is about

The extraction of flavonoids from orange peel with microwave assisted and antioxidant activity were studied in this paper.The best processing conditions were attained by single factors and RSM,when solid-liquid ratio was 1:34,mesh was 80,at 231W for 72s,two times,the yield of flavonoids was 16.58mg/g.The result of DPPH radical scavenging effect showed that the EC50(Half elimination concentration) was 40.5μg/mL.

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Available abstract

The extraction of flavonoids from orange peel with microwave assisted and antioxidant activity were studied in this paper.The best processing conditions were attained by single factors and RSM,when solid-liquid ratio was 1:34,mesh was 80,at 231W for 72s,two times,the yield of flavonoids was 16.58mg/g.The result of DPPH radical scavenging effect showed that the EC50(Half elimination concentration) was 40.5μg/mL.

Key concepts: Response surface methodology, Orange (colour), Chemistry, Antioxidant, DPPH, Extraction (chemistry), EC50, Yield (engineering)

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