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2014•Research and Practice on Chinese MedicinesRequires access

Extraction of Total Flavonoids from Semen Litchi

Min Hou

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Abstract

Objective To optimize conditions for extracting total flavonoids from Semen Litchi. Methods With rutin as a standard and total content of litchi flavonoids as the indexes, the extraction technology parameters were optimized through orthogonal experiment by ultraviolet- visible spectrophotometry. Results The optimum conditions for the extraction were 8 times amount of 60% ethanol reflux extracted 3 times, each time 1h. Conclusion The extraction method was simple, stable and feasible.

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What this paper is about

Objective To optimize conditions for extracting total flavonoids from Semen Litchi. Methods With rutin as a standard and total content of litchi flavonoids as the indexes, the extraction technology parameters were optimized through orthogonal experiment by ultraviolet- visible spectrophotometry. Results The optimum conditions for the extraction were 8 times amount of 60% ethanol reflux extracted 3 times, each time 1h. Conclusion The extraction method was simple, stable and feasible.

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Available abstract

Objective To optimize conditions for extracting total flavonoids from Semen Litchi. Methods With rutin as a standard and total content of litchi flavonoids as the indexes, the extraction technology parameters were optimized through orthogonal experiment by ultraviolet- visible spectrophotometry. Results The optimum conditions for the extraction were 8 times amount of 60% ethanol reflux extracted 3 times, each time 1h. Conclusion The extraction method was simple, stable and feasible.

Key concepts: Rutin, Extraction (chemistry), Chromatography, Semen, Chemistry, Spectrophotometry, Flavonoid, Biology

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