摘要
分别用乙醇循环法、超临界流体萃取法、超临界流体萃取-精馏法从生姜中提取活性物质姜酚。对提取产物进行了定性定量分析,产物的IR、UV谱图均与标样一致。用HPLC法进行定量分析,工作曲线的回归方程为Y=2484+93180x,相关系数r=0.9997。对3种提取方法进行了比较,结果表明,乙醇循环法提取率和姜酚含量最低,分别为0.78%和15.7%;超临界流体萃取-精馏法最高,分别为1.38%和96.2%。
abstract:Gingerol is extracted from ginger by using different methods such as ethanol cycle extraction, supercritical fluid extraction(SFE) and supercritical fluid extraction-fractionation(SFEF).The extraction products are analyzed with infrared spectroscopy(IR), ultraviolet spectroscopy(UV), high performance liquid chromatography(HPLC),and the IR spectra and UV spectra of the products conform to that of standard sample of gingerol. As a result of analysis by HPLC, a linear regression equation is built,Y=2484+93180x,with the correlation coefficient of 0.9997.Three extraction methods are compared with the respect of extraction yield, gingerol content, extraction time and solvent residual and the results show that SFEF is the best.
出处
《食品工业科技》
CAS
CSCD
北大核心
2004年第3期64-65,共2页
Science and Technology of Food Industry
基金
河北省科技攻关项目(批准号01230304)。
