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2010•Journal of Kunming Metallurgy CollegeRequires access

On Extraction of General Flavonoids from Eclipta Alba with Propyl Alcohol and Ammonium Sulfate Aqueous Two-phase Separation and Ultrasonic Integration

Lingling Zhang

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Abstract

Ultrasonic extraction technology,integrated with propyl-alcohol and ammonium sulfate aqueous two-phase separation was used to extract general flavonoids from Eclipta alba.The optimum extraction conditions from single-factor experiment were: the amount of ammonium sulfate was 12 %(W %);propyl-alcohol occupied 50 %;mass and liquidratio was 1∶30 and ultrasonic extraction was 30min.Then,the average yield of general flavonoids was 4.22 %,which was better than that from heating reflux extraction.

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What this paper is about

Ultrasonic extraction technology,integrated with propyl-alcohol and ammonium sulfate aqueous two-phase separation was used to extract general flavonoids from Eclipta alba.The optimum extraction conditions from single-factor experiment were: the amount of ammonium sulfate was 12 %(W %);propyl-alcohol occupied 50 %;mass and liquidratio was 1∶30 and ultrasonic extraction was 30min.Then,the average yield of general flavonoids was 4.22 %,which was better than that from heating reflux extraction.

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Available abstract

Ultrasonic extraction technology,integrated with propyl-alcohol and ammonium sulfate aqueous two-phase separation was used to extract general flavonoids from Eclipta alba.The optimum extraction conditions from single-factor experiment were: the amount of ammonium sulfate was 12 %(W %);propyl-alcohol occupied 50 %;mass and liquidratio was 1∶30 and ultrasonic extraction was 30min.Then,the average yield of general flavonoids was 4.22 %,which was better than that from heating reflux extraction.

Key concepts: Ammonium sulfate, Extraction (chemistry), Alcohol, Chromatography, Chemistry, Aqueous solution, Sulfate, Ultrasonic sensor

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On Extraction of General Flavonoids from Eclipta Alba with Propyl Alcohol and Ammonium Sulfate Aqueous Two-phase Separation and Ultrasonic Integration — Research Paper | ScholarLens