【摘 要】
:
This study was carried out to investigate the effect of different pretreatment methods on ginsenoside quantification in raw Korean ginseng (Panax ginseng C.
【机 构】
:
Korea Food Research Institute, Seongnam 463-746,KOREA
论文部分内容阅读
This study was carried out to investigate the effect of different pretreatment methods on ginsenoside quantification in raw Korean ginseng (Panax ginseng C.A.meyer).Major eight ginsenosides (Rb1,Rb2,Rb3,Rc,Rd,Re,Rf and Rg1) were analyzed by HPLC,then the recovery and reproducibility of those ginsenosides were compared according to three pretreatment methods (1.direct extraction method,hot MeOH extraction/direct filtration; 2.BuOH method,hot MeOH extraction/n-BuOH fractionation; 3.solid state extraction (SSE) method,hot MeOH extraction/C18 cartridge adsorption/MeOH elution).
其他文献
构树作为非常规饲料资源,因富含蛋白质、氨基酸等被广泛用作畜禽蛋白饲料.为探究构树叶粉用作家蚕人工饲料原料的可行性,本试验以普通的家蚕人工饲料为对照,针对其中的桑叶粉
The objective of the present study was to verify possible synergistic antibacterial effect between Chinese cinnamon and thyme,clove and nisin.Agar dilution
本文使用HA—12光谱仪对水彩笔颜料中无机物成份与含量进行检测。结果发现:水彩笔颜料中含有砷、铅、锌、铋、锡、锡七种无机物。其中砷、铅、锌的含量超过我国饮用水和食品
Introduction:health effects of quercetin are of increasing interest to food manufacturers.Although the quercetin content of onion skin is quite high compare
1643年1月4日,牛顿出生在英格兰的一个自耕农家庭。在牛顿出生前3个月,父亲便去世了。在他2岁时,母亲改嫁给一个牧师,把牛顿留在外祖母身边抚养。11岁时,母亲的后夫去世,母亲回到牛顿身边。
Water-soluble dietary fiber is significant to physiological function,while proportion of soluble dietary fiber is very small in raw resource,which cannot re