Ingredient analysis for mixed fatty acid from lithospermun erythrorhizonoil after urea inclusion;

In the process of purification of arachidonic acid(AA) from fungi lipids by urea inclusion,orthogonal design were used.

Purification of arachidonic acid from fungi lipids by urea inclusion was studied,and effect of crystallization temperature,cool speed,ratio of urea to fatty and volume of methanol on the yield and purity of arachidonic acid was investigated.

Decreasing the erucic acid content in Descurainia Sophia seed oil by freezing crystallization and urea adduction fractionation;

Purification of oleic acid from oil-tea camellia seed oil by urea adduction fractionation;

Enrichment of linoleic acid from sunflower oil with improved urea adduction fractionation;

The factors such as operation temperature,adduction time and the feed ratio of Urea and MeOH to fatty acids,which effect the α-linolenic acid purity and yield remarkably,were discussed in details based on the theory of Urea adduction fractionation.

Refining of 70 % Conjugated linoleic acid (CLA) was purificated with the method of urea including.

The fatty acid methyl esters was prepared from Acer Truncatum buge oil,and the main influence factors of separating nervonic acid methyl ester by urea-inclusion method were analysed.

Based on the method of low temperature crystallization and urea-inclusion,linoleic acid and α-linolenic acid were successfully isolated from the seed oil of Descurainia sophia.

Separation of polyunsaturated fatty acids from silkworm oil with urea adduction;