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245 results about "Beta-Sitosterol" patented technology

Β-Sitosterol (beta-sitosterol) is one of several phytosterols (plant sterols) with chemical structures similar to that of cholesterol. It is a white, waxy powder with a characteristic odor, and is one of the components of E499. Phytosterols are hydrophobic and soluble in alcohols.

Method for extracting pinostrobin and beta-sitosterin from hickory nut epicarp

The invention provides a method for extracting pinostrobin and beta-sitosterol from exocarp of kiskatom, which belongs to the technical field of pinostrobin and beta-sitosterol extracting methods. The method comprises the following steps: washing and crushing the expocarp of the kiskatom; and then diacolating and extracting the expocarp after the expocarp is swelled by ethanol, and concentrating the collected diacolation solution to prepare a concentrated solution; extracting the concentrated solution by an organic solvent to prepare extract dry powder; and separating the extract dry powder by silica gel column chromatography with the following steps: a) carrying out gradient elution on the extract dry powder by sherwood oil and a sherwood oil-ethyl acetate mixed solution with volume ratio of between 45:1 and 15:1 respectively, and combining two kinds of eluate; and b) carrying out the gradient elution on the combined eluate by the sherwood oil-ethyl acetate mixed solution with volume ratio of between 10:1 and 1:20, and concentrating and crystallizing the combined eluate in the reduced pressure to prepare pinostrobin coarse crystal and beta-sitosterol coarse crystal; and carrying out recrystallization treatment to prepare pinostrobin crystal and beta-sitosterol crystal. The method has the advantages of simple process and low manufacturing cost, and the contents of the prepared pinostrobin crystal and the beta-sitosterol crystal are more than 98 percent.
Owner:贵州绿黔能源科技有限公司

Full filbert peptide nourishment and preparation method thereof

The invention relates to full filbert peptide nourishment containing filbert active peptides. The full filbert peptide nourishment contains 3-90% by weight of mixed active peptides of oligopeptide, short chain polypeptide and polypeptide and also contains linoleic acid, oleic acid, linolenic acid, phospholipid, flavonoid substances, carotene, VB1, VB2, VB12, VC, VC, VA, niacin, calcium, phosphorus, iron, potassium, magnesium, beta-sitosterol, glucose and water. The full filbert peptide nourishment is prepared by the following steps of: adding water into filbert or filbert pulp for pulping; pumping the pulp into a colloid mill to be ground, wherein the fineness of the colloid mill is 210-250 meshes; then homogenizing the powder through an ultrahigh homogenizer until the fineness of the material reaches 700-800 meshes; then performing pulse type steam impact at a high temperature and a high pressure; adding lipase after reducing the temperature to stand at a constant temperature for biochemical treatment; adjusting the PH value to 6-8; then adding neutral protease to stand at a constant temperature for biochemical treatment again; and finally, separating out a full filbert peptide original liquid so as to prepare the full filbert peptide nourishment.
Owner:陕西天宝大豆食品技术研究所
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