江西农业学报
江西農業學報
강서농업학보
ACTA AGRICULTURAE JIANGXI
2013年
8期
5-8
,共4页
周亚奎%战晴晴%刘洋洋%秦以国%甘炳春%卢丽兰
週亞奎%戰晴晴%劉洋洋%秦以國%甘炳春%盧麗蘭
주아규%전청청%류양양%진이국%감병춘%로려란
槟榔花茶%DPPH%HR%ASE%提取物%清除能力
檳榔花茶%DPPH%HR%ASE%提取物%清除能力
빈랑화다%DPPH%HR%ASE%제취물%청제능력
Areca inflorescence tea%DPPH%Heating reflux%ASE%Extract%Scavenging ability
分别采用加速溶剂萃取技术( ASE)和加热回流法( HR),应用不同溶剂制备槟榔花茶的活性提取物,研究了这些提取物对DPPH自由基的清除能力。结果表明:抗坏血酸( Vc)的清除能力>BHT>ASE-EtOAC>ASE-MeOH>HR-EtOAC>HR-MeOH>ASE-H2 O>ASE-MSO>HR-H2 O>HR-MSO,它们的IC50值分别为10.1365、44.4007、113.2、159.7、184.0、207.7、246.4、258.5、317.7、950.6μg/mL。说明槟榔花茶提取物具有一定的清除DPPH自由基的能力,且以乙酸乙酯为提取溶剂时,效果最佳。与HR法相比,ASE法更有助于槟榔花茶中活性物质的提取。
分彆採用加速溶劑萃取技術( ASE)和加熱迴流法( HR),應用不同溶劑製備檳榔花茶的活性提取物,研究瞭這些提取物對DPPH自由基的清除能力。結果錶明:抗壞血痠( Vc)的清除能力>BHT>ASE-EtOAC>ASE-MeOH>HR-EtOAC>HR-MeOH>ASE-H2 O>ASE-MSO>HR-H2 O>HR-MSO,它們的IC50值分彆為10.1365、44.4007、113.2、159.7、184.0、207.7、246.4、258.5、317.7、950.6μg/mL。說明檳榔花茶提取物具有一定的清除DPPH自由基的能力,且以乙痠乙酯為提取溶劑時,效果最佳。與HR法相比,ASE法更有助于檳榔花茶中活性物質的提取。
분별채용가속용제췌취기술( ASE)화가열회류법( HR),응용불동용제제비빈랑화다적활성제취물,연구료저사제취물대DPPH자유기적청제능력。결과표명:항배혈산( Vc)적청제능력>BHT>ASE-EtOAC>ASE-MeOH>HR-EtOAC>HR-MeOH>ASE-H2 O>ASE-MSO>HR-H2 O>HR-MSO,타문적IC50치분별위10.1365、44.4007、113.2、159.7、184.0、207.7、246.4、258.5、317.7、950.6μg/mL。설명빈랑화다제취물구유일정적청제DPPH자유기적능력,차이을산을지위제취용제시,효과최가。여HR법상비,ASE법경유조우빈랑화다중활성물질적제취。
The active substances from areca inflorescence tea were extracted respectively by using accelerated solvent extraction (ASE) technique and heating reflux (HR) method with different solvents , and the scavenging abilities of these extracts on DPPH radical were studied .The results showed that the scavenging abilities of different extracts on DPPH free radical had the following se -quence:vitamin c ( Vc) >BHT>ASE-EtOAC>ASE-MeOH>HR-EtOAC>HR-MeOH>ASE-H2 O>ASE-MSO>HR-H2 O>HR-MSO, and their IC50 values were 10.1365, 44.4007, 113.2, 159.7, 184.0, 207.7, 246.4, 258.5, 317.7 and 950.6 μg/mL respectively.The results indicated that the extracts from areca inflorescence tea had a certain ability to scavenge DP -PH free radical.The scavenging capacity was the best when acetic ether was used as the extraction solvent .In comparison with HR method, ASE method was more helpful to extracting the active substances from areca inflorescence tea .