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Honeysuckle in the polyphenol extracts and complexes Preparation
Abstract Baptist returning to organic solvents in the extraction of Honeysuckle Qufa from polyphenols, and UV-visible Determination of the polyphenol yield on the different polarity of the solvent, solvent solution concentration, temperature, leaching time, material Liquid ratio, pH, extraction times on the impact of polyphenol extracts honeysuckle, purified by ion precipitation crude, and its use and ZnCl2 was synthesized honeysuckle polyphenol Zinc (Ⅱ) complex. Through IR, UV, elemental analysis, thermal analysis and chemical analysis, to speculate complex structure of ZnL2 (L for polyphenol ligand). The results showed that: Honeysuckle polyphenol extracts the best experimental conditions are: ethanol as the best solvent, the volume fraction of 70 percent ethanol, temperature 70 ℃, leaching time 2 h, to feed than 10:1, pH 4.0, the number of extraction for three times.

Key words: honeysuckle, polyphenol, extraction, UV spectrophotometry, Complex