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Abstract

The inventive method for processing vegetable raw materials consisting in organic solvent-extracting said materials, isolating it by retention which is associated with cooling and wax filtration, separating free oxides from the thus obtained solution of extractive substances by alkali solution action, dividing the obtained neutralized solution into a neutral substance solution in the hydrocarbon solvent and a water-alkali solution of organic acid salts, acidifying said salt solution, isolating chlorophilline acids and a fatty and resin acid fraction therefrom by retention, dividing the sum of diterpenic and higher fatty acids, distilling the solvent from neutral substances and in dividing said neutral substances. The diterpenic and higher fatty acid sum is treated in a low-molecular alcohol by adding a sulphuric acid in the form of a catalyst. Said method also consists in distilling alcohol and neutralizing the diterpenic acids and catalyst, extracting the higher fatty acid ethers, acidifying the water-alkali solution and extracting isolated diterpenic acids, distilling said solvent and in producing a rodent repellent. The neutral substances are subsequently extracted into acetone and C₁-C₃ alcohol. Afterwards, during acetone treatment, the concentrates of higher fatty acid esters are produced in association with triterpenic alcohols, stearins, higher fatty alcohols and an acetone-soluble residue. During the residue treatment by alcohol, the sum of diterpenic acids is separated, and the saponification of said acids makes it possible to produce a polyprenol concentrate for separating polyprenols therefrom by chromatography.

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