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659 results about "Palmitates" patented technology

Salts and esters of the 16-carbon saturated monocarboxylic acid--palmitic acid.

Structural type triglyceride rich in medium-chain fatty acid and preparation method thereof

The invention provides a structural type triglyceride rich in medium-chain fatty acid and a preparation method thereof. The provided triglyceride is prepared from medium-chain fatty acid with a carbon number of 8-12, palmitic acid, glycerin, and long-chain unsaturated fatty acid/fatty acid ester through catalytic reactions. In the provided triglyceride, medium-chain fatty acid accounts for 11 to 40 wt% of total fatty acid; Sn-2 position saturated fatty acid accounts for 52 to 80 wt% of total saturated fatty acid; Sn-1,3 position unsaturated fatty acid accounts for 80 to 95 wt% of total unsaturated fatty acid, the content of Sn-USU type triglyceride is 40 to 80%, and the content of triglyceride palmitate is 3 to 8%. The provided triglyceride has the characteristics of medium-chain triglyceride and long-chain triglyceride; compared with the common medium/long-chain fatty acid edible oil, the provided triglyceride has richer structures, according to the product characteristics, and the provided triglyceride can be used as a food nutrient supplement and added in different food formulas. The preparation method has the characteristics of high production efficiency, low energy consumption, mild reaction conditions, little using amount of enzyme, more precise procedure, and effectively-reduced cost.
Owner:XIAMEN SHUANGBEI BIOTECH CO LTD

Method for extracting fish oil from waste sleeve-fish liver

The invention discloses a method for extracting fish oil from waste sleeve-fish liver. The method comprises the following steps: extracting crude fish oil from the sleeve-fish liver by a water extraction method; mixing the sleeve-fish liver and water according to a mass ratio of (1:1)-(1:3); charging nitrogen and adding L-ascorbic acid-6-palmitate for extraction; and processing the extracted crude fish oil through degumming, deacidification, decoloring, deodorization and the like to obtain the refined fish oil. The method disclosed by the invention prevents the oxidation of unsaturated fatty acid in the fish oil by charging nitrogen or adding L-ascorbic acid-6-palmitate antioxidant, and strictly controls the refining conditions of temperature, time and the like at the same time; all indexes of the refined sleeve-fish oil reach the first-grade requirements of the fish oil SC/T3502-2000 standard; the fish oil extracted by the method not only has high quality, but also is improved in color, appearance and smell; the method has high extraction rate, and is simple to operate and easy to control; and moreover, the method disclosed by the invention comprehensively utilizes the sleeve-fish waste, turns waste into wealth, increases the additional value and purifies environment.
Owner:ZHEJIANG OCEAN UNIV

Hyperbranched polyester-modified polyurethane medical interventional catheter and manufacturing method thereof

The invention relates to a hyperbranched polyester-modified polyurethane medical interventional catheter and a manufacturing method thereof. A catheter body of the catheter is made from a mixed fused material of hyperbranched polyester which contains carboxyl groups and palmitate groups in end groups thereof and a thermoplastic polyurethane elastomer, wherein a hydrophilic coating, which is in covalent bond connection to the catheter, is coated on the outer surface of the catheter; and the hydrophilic coating includes a bottom coating, which can be grated with the outer surface of the catheter, and a top coating which forms a semi-interpenetrating network structure with the bottom coating. According to the medical interventional catheter and the manufacturing method thereof disclosed by the invention, on the basis of the property that the hyperbranched polyester has a great amount of the end groups, and in combination with a chemical bond grating technology between the catheter and the coating as well as a semi-interpenetrating network construction technology between a hydrophilic polymer and the coating, the catheter and the coating are closely combined effectively, so that the manufactured polyurethane medical interventional catheter is excellent in lubricating property and abrasion resistance; and the catheter is applicable to the field of endovascular intervention diagnosis and treatment.
Owner:BEIJING DEMAX MEDICAL TECH

DHA algae oil soft-capsules and preparation method thereof

The invention discloses a formula of DHA algae oil soft-capsules, and relates to the technical fields of medicines and health foods. The formula of the DHA algae oil soft-capsules comprises the following ingredients: 200-250 parts by weight of DHA algae oil, 150-200 parts by weight of linseed oil, 200-250 parts by weight of vitamin A palmitate, 150-200 parts by weight of beeswax, 300-400 parts byweight of soybean oil, 50-80 parts by weight of gelatin, 50-100 parts by weight of glycerine, 20-30 parts by weight of titanium dioxide, 150-250 parts by weight of purified water, and 5-10 parts by weight of a pigment. In addition, the invention further discloses a preparation method of the DHA algae oil soft-capsules adopting the formula. The raw materials and auxiliary materials of the DHA algaeoil soft-capsules synergistically take an effect so as to enhance functions, and thus, the DHA algae oil soft-capsules are capable of promoting brain development and preventing weakening of visual acuity. The preparation method of the DHA algae oil soft-capsules comprises the following steps of proportioning materials, dissolving materials, dissolving gelatin, carrying out pelleting, carrying outshaping, carrying out drying, carrying out packaging, carrying out detecting, carrying out warehousing and so on. The same production line is adopted for treatment during the whole process so that nutrient loss caused by instable factors is avoided; and the whole preparation process is completed in a certain clean area so that clean working environment is ensured, and thus, influence of the environment on the soft-capsules is reduced to the maximum extent.
Owner:WUHU NOKAN BIOTECH
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