摘要
采用CO2超临界萃取技术提取不同生长期石香薷的主要成分,通过高效液相色谱法分析提取物中百里香酚的含量,研究石香薷不同生长期百里香酚积蓄特性;结果表明:在石香薷生长过程中,百里香酚的积蓄特性与CO2超临界萃取物的含量呈正相关,百里香酚的积蓄可分为缓慢积蓄期、快速积蓄期、稳定期三个时期,缓慢积蓄期石香薷中百里香酚增长慢、含量低,快速积蓄期百里香酚含量呈直线增长,总积蓄量明显上升,稳定期百里香酚积蓄速度极低,含量达到最大值后基本稳定不变。百里香酚占石香薷提取物的比例可分为上升阶段、下降阶段和稳定阶段。不同时期采收的原料,其百里香酚的含量差别显著。
In order to study thymol amassment characteristic of Moslem chinensis Maxim in different vegetation periods, supercritical CO2 extraction technology was used to extract main components of Moslem chinensis Maxim, and high-performance liquid chromatography (HPLC) was used to analyze thymol content in Moslem chinensis Maxim extract. The results showed that there is positive relationship between thymol amassment characteristic and growth period of Moslem chinensis Maxim. The thymol amassment characteristic can be divided into three periods of slow amassment period, rapid amassment period and stable period. The change trends of thymol proportion in Moslem chinensis Maxim extract can be presented as ascent stage, downward stage and stable stage.
出处
《食品科学》
EI
CAS
CSCD
北大核心
2008年第12期160-163,共4页
Food Science
基金
湖南省教育厅项目(05C436)
关键词
石香薷
CO2超临界萃取
百里香酚
积蓄特性
Moslem chinensis Maxim
supercritical CO2 extraction
thymol
amassment characteristic