Effect of Post-Harvest Processing and Extraction Methods on Total Saponin Content of Cyclocarya paliurus(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: Effect of Post-Harvest Processing and Extraction Methods on Total Saponin Content of Cyclocarya paliurus

Author(s):: JIANG Xiang-hui; YUAN Jing; ZHU Jun-wei; HU Xiu-hong; PENG Yi; College of Chemistry and Materials Engineering,Kaili University，Kaili，Guizhou 556011

Keywords:: Cyclocarya paliurus; total saponin; post-harvest processing; extraction method

Abstract:: Taking Cyclocarya paliuru as material，4 post-harvest processing methods (direct dry，drying after scalding by boiling water，drying while twisting，and drying while twisting after scalding by boiling water) were used to determine the content of total saponin.An orthogonal test L₉(3⁴) with crushed degrees，solid-liquid ratio，extraction time and extraction times as factors were designed to analyze the extraction ratio of total saponin in Cyclocarya paliurus,and to reveal the content variation of total saponin in Cyclocarya paliurus by post-harvest processing and extraction methods.The results showed that the content of total saponin was ranged from 2.59% to 6.52% in different samples processed by different processing methods，the total saponin was the highest in Cyclocarya paliurus by drying while twisting at 80℃ and 100℃.Solid-liquid ratio and crushed degrees were the key factor in influencing factors of the extraction yield，after 40 mesh passing sieve and solid-liquid ratio of 1∶20，the total saponin was the lowest，the extraction ratio was only 33.48%.Drying while twisting at 80℃ was the best post-harvest processing method，which could help to dry the fresh herbs and improve the accumulation of total saponin，it could effectively increase extracting rate of total saponin content of Cyclocarya paliurus under high crushing and appropriate solid-liquid ratio.

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Last Update: 2014-12-24