Method for integrated utilization for sunflower seeds

Abstract

The invention relates to a method for integrated utilizing sunflower seeds. Addition amount of each substance adopted by the method is on the basis of weight of sunflower kernels. The method comprises that: shells of the sunflower seeds are removed, and furfural resin are prepared from the shells of the sunflower seeds; the sunflower kernels are sequentially carrying out a wet crushing, a extracting through cellulase at a moderate temperature, a three-phase separating and a refining process for oil phase to obtain a pure natural sunflower oil; the seperated water phase and the seperated solid phase are sequentially carrying out a extracting through acid protease at a moderate temperature, a routine centrifuging, removing impurities through a ultrafiltration membrane, a decolouring through active carbon, a adsorbing and a desorbing through a macroporous adsorptive resin, then the collected liquid from the macroporous adsorptive resin is concentrated through a nanofiltration membrane and carries out a powder-drying to obtain a sunflower seed protein peptides, and eluent is concentrated through a nanofiltration membrane and carries out a refining to obtain chlorogenic acid. According to the present invention, resource of the sunflower seed is utilized reasonably; technology for integrated utilizing the sunflower seeds has advantages of simplicity, availability and safe operation; yield of the sunflower oil, the sunflower seed protein peptides, the chlorogenic acid and the furfural resin are respectively 90%, 80%, 55% and 90%; secondary pollution and a plurality of waste water are not generated.

Description

technical field [0001] The invention relates to a production method for intensively processing sunflower seeds using biotechnology, and mainly relates to a method for extracting furfural resin, sunflower oil, chlorogenic acid and sunflower protein peptide from sunflower seeds. Background technique [0002] Sunflower seeds are the fruit of sunflower, which belongs to the genus Helianthus of the family Asteraceae. It is an annual herb, also known as sunflower. In the past two decades, the production of sunflower seeds has developed rapidly, and the output of sunflower seeds in the world has become an important oil crop second only to soybeans. At present, my country has a relatively wide cultivation area. In recent years, the annual output of sunflower seeds in the country is about 1.3 million tons, and the annual output of sunflower seeds in Northwest China is about 850,000 tons. [0003] The sunflower seed shell accounts for about 25% by weight, and the sunflower seed shell...

AI Technical Summary

Problems solved by technology

[0009] The defects of this process and the problems of the product are: high-temperature pressing causes a chemical reaction in the material system to generate free fatty acids, which are easily corrupted, resulting in a short shelf life of edible oil; the oil yield of the pressing process is only 50%, and the remaining fatty substances need to use organic solvent n-hexane Extraction, there should be residues of organic solvents in the finished oil, which will seriously affect human health; due to high temperature, the protein in the cake will be denatured and the chlorogenic acid will be volatilized, so the cake can only be used as feed, wasting excellent protein and chlorogenic acid resources; meanwhile, sunflower seed hulls are not utilized, wasting natural resin resources