The procedure was described, including extraction by acetone and dichloromethane, cleaning up by passing through a column made up of neutral alumina and active carbon, determination by GC with NPD.
样本用丙酮提取,加二氯甲烷萃取,通过中性氧化铝和活性炭混合柱层析净化,然后上气相色谱用NPD检测。
The results show that the extraction which got by alcohol and acetone respectively have the stranger antioxidant activity ability.
实验表明乙醇和丙酮做溶剂的提取物具有较强的抗氧化能力;
The process includes hydrochloric acid pretreatment, acetone extraction, hydrolysis of astaxanthin esters by catalysis of basic ion exchange resin, and adsorption separation.
该工艺包括粗色素油的提取,虾青素酯的水解和虾青素粗品的纯化。
Organic phosphorus by acetone extraction, gel column chromatography purification, HP-5 silica capillary column chromatography, flame-ray detector.
有机磷经丙酮提取,凝胶层析柱净化,HP - 5石英毛细管色谱柱分离,火焰光检测器检测。
METHODS:Based on the extraction rate of chlorophyll, acetone method was compared with alcohol method and the preparing factors of acetone method was optimized by orthogonal design.
方法:以叶绿素提取率为指标,对脱镁叶绿酸制备的乙醇法和丙酮法工艺进行比较,用正交试验法对丙酮法 的工艺条件进行优化。
METHODS:Based on the extraction rate of chlorophyll, acetone method was compared with alcohol method and the preparing factors of acetone method was optimized by orthogonal design.
方法:以叶绿素提取率为指标,对脱镁叶绿酸制备的乙醇法和丙酮法工艺进行比较,用正交试验法对丙酮法 的工艺条件进行优化。
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