method of alcohol precipitation的意思|示意

The results are as follows: the alcohol consumption of alcohol precipitation method almost doubles that of salting-out method;

结果表明：酸解醇析法所消耗的乙醇量几乎为盐析法乙醇消耗量的两倍；

After ethanol precipitation, OPC was separated by ethyl acetate-ligroin system. Content of OPC was determined by normal butyl alcohol-hydrochloric acid method at 546 nm to be over 90%.

提取物经醇沉后，用石油醚沉淀法分离低聚原花青素，产物经正丁醇-盐酸法显色，比色法测定质量含量可达90%以上。