Title: Optimization of Extraction Technology of Total Flavonoids from Seeds of Osmanthus fragrans Lour.
Abstract: Six solvents were separately used to extract total flavonoids from seeds of Osmanthus fragrans Lour. Among of them, absolute ethanol exhibited the high extraction efficiency. The ethanol extraction procedure of total flavonoids was optimized by single-factor and L9(34) orthogonal array methods. The optimum extraction conditions were determined as follows: ethanol concentration 60%, solid/liquid ratio 1:50, and temperature 90 ℃ for an extraction duration of 5 h. Under these conditions, a maximum yield of total flavonoids of 3.96% was obtained.
Publication Year: 2009
Publication Date: 2009-01-01
Language: en
Type: article
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