97 results about "Unsaturated Oils" patented technology

The present invention provides a solid fat composition that includes an oil having saturated fat and an oil having at least one long chain polyunsaturated fatty acid. In particular, the solid fat composition can have high levels of long chain polyunsaturated fatty acid and low to no presence of emulsifiers. In preferred embodiments, the polyunsaturated oil is an unwinterized microbial oil. The invention also relates to methods for making such compositions and food, nutritional, and pharmaceutical products comprising said compositions.

Novel butters and shortenings made from monounsaturated oils such as olive oil are disclosed.

The compositions and methods of the invention relate to the creation of food products based on eggs, wherein the productions contain various raw materials made from microalgae in different forms. Some forms include high levels of monounsaturated oil, dietary fiber, carotenoids, and digestible crude protein. Provided herein are methods and compositions for enhancing food stability at elevated temperature during extended periods of storage in hydrated egg products. The microalgae-derived materials are provided as dry or hydrated homogenates made from heterotrophically produced microalgae of varying genera, species and strain. Weight/weight levels of saturated fats and cholesterol are reduced in egg products of the invention, while dietary fiber is increased. Blends of liquid or dried egg with liquid or dried algae are provided, as well as methods of manufacturing and formulating the blends. Unique combinations of egg whites and microalgae are also provided for manufacture of very low cholesterol egg products. In some embodiments, the textural characteristics of powdered eggs are altered to be more like the textural characteristics of liquid eggs through the inclusion of dietary fiber and other moisture-retaining properties of microalgal biomass.

A consumer product comprises silane-modified oil comprising a hydrocarbon chain selected from the group consisting of: a saturated oil, an unsaturated oil, and mixtures thereof; and at least one hydrolysable silyl group covalently bonded to the hydrocarbon chain. The consumer product further comprises a hydroxyl functional organic species and is substantially free of silica particles.

Methods for the preparation of storage-stable fatty acid calcium salt products by forming a reactive admixture of (a) an unsaturated fatty acid glyceride feedstock; and (b) from about 10% to about 30% of the total admixture weight of calcium hydroxide; and heating the admixture to a temperature at which the fatty acid glycerides saponify to form fatty acid calcium salts in an atmosphere in which the partial pressure of oxygen has been reduced by an amount effective to provide an improvement in storage stability. Storage stable calcium salts of unsaturated fatty acids prepared by the inventive method are also disclosed.

The invention relates to a method for preparing highly unsaturated camellia seed clean oil by using a biological enzyme method, belonging to the field of food biotechnology. The method comprises the steps of hulling camellia seeds, drying, crushing, adding water, mixing, milling with a colloid mill till the granularity of slurry is 2-50mu m, performing enzymolysis wall-breaking through pectase NCB-PE40 and cellulase AE80 together, and centrifuging to separate clean oil and emulsified oil; demulsifying the emulsified oil by using alkaline protease Alcalase2.4L, and centrifuging to obtain clean oil; combining the clean oil obtained by demulsifying and the clean oil obtained by wall-breaking to finally obtain the highly unsaturated camellia seed clean oil. The method disclosed by the invention has the characteristics that the clean oil is extracted through wall-breaking and demulsifying by adopting the biological enzyme method, so that the process is simple, and the conditions are mild; the product has high unsaturated fatty acid content, does not have organic solvent residue and is environment-friendly.

The invention discloses a preparation method of a poisoning-resistant catalyst for unsaturated oil hydrogenation. The preparation method is characterized by comprising the following steps of 1, putting an alkaline precipitator solution into a reactor, and heating to a temperature of 60 to 70 DEG C, 2, adding a mixed solution of a soluble nickel salt, a ferric salt and a rare earth salt into the heated alkaline precipitator solution with stirring in a period of 1 to 2 hours, 3, then fast adding alumina carriers into the mixed solution obtained by the steps 2, stirring for 0.5 to 1 hour, filtering, and washing by deionized water until acid radical ions are removed completely, and 4, drying at a temperature of 110 to 120 DEG C for 4 to 5 hours, crushing, and carrying out hydrogen feeding at a temperature of 400 to 500 DEG C for 2 to 3 hours to obtain the poisoning-resistant catalyst for unsaturated oil hydrogenation, wherein an Ni/Fe atomic ratio of the soluble nickel salt to the ferric salt is in a range of 5 to 25 and the poisoning-resistant catalyst for unsaturated oil hydrogenation contains 30 to 50 wt% of nickel, 2 to 5 wt% of iron, 0.5 to 1.0 wt% of a rare earth salt of cerium and 0.5 to 1.0 wt% of a rare earth salt of lanthanum.

The invention discloses polyunsaturated oil powder rich in phytosterol and a preparation method thereof. The method comprises the steps of dissolving phytosterol and oryzanol into oil rich in polyunsaturated fatty acids, and performing dispersion and dissolution at 25-90 DEG C; adding an oil phase in which phytosterol is dissolved into an aqueous phase of a saponin aqueous solution; performing pre-dispersion by a homogenizer, performing high pressure homogenization or ultrasonic homogenization, and obtaining nanoscale oil-in-water emulsion; and obtaining the polyunsaturated oil powder rich in phytosterol through drying of the obtained oil-in-water emulsion. The preparation process is simple and all natural and promotes bioavailability of phytosterol and omega-3polyunsaturated fatty acids; after the polyunsaturated oil powder rich in phytosterol is eaten, serum total cholesterol, low density lipoprotein cholesterol and triglyceride can be reduced synergistically, and the polyunsaturated oil powder can be widely applied to the fields of foods, medicines and cosmetics and is particularly applied to beverages and milk powder and the like.

The invention discloses a preparation method of a hydrogenation catalyst for unsaturated oils and fats and belongs to the technical field of catalytic materials. The preparation method comprises the steps of taking nickel as an active ingredient, a magnesium salt as an auxiliary and silicon oxide and aluminum oxide as carriers, adding polyethylene glycol to the system to arouse coprecipitation, next, performing roasting decomposition and hydrogen introducing reduction in nitrogen environment, and then adding the product to a hardened oil and stirring to be even, and cooling, solidifying and pelletizing to obtain the catalyst. The preparation method of the catalyst is simple and high in catalytic activity.

A process for producing oleochemical polyols comprises the steps of epoxidizing unsaturated oil using an organic acid together with oxygenated water or a per-acid to obtain epoxidized oil; washing the epoxidized oil with salt water to remove unused organic acid together with oxygenated water or a per-acid; neutralizing acidic condition of the washed epoxidized oil with a base; washing the neutralized epoxidized oil with a salt solution until the pH of the neutralized epoxidized oil reaching 6.5 to 7.5 to removed the base residue; drying the washed neutralized epoxidized oil under vacuum; and reacting the washed neutralized dried epoxidized oil with polyhydric alcohol in the presence of boron trifluoride-diethylether complex to produce the oleochemical polyols. The oleochemical polyols are then subjected to the same washing, neutralizing, washing and drying process as in preparing the washed neutralized dried epoxidized oil.

A composition comprising a competitive inhibitor and an edible long chain polyunsaturated oil or a blend of edible oils, wherein the edible long chain polyunsaturated oil or the blend of edible oils comprises one or more long chain polyunsaturated fatty acids and a pro-oxidant.

The invention discloses a method for preparing texture phospholipid and lecithin, comprising the following steps: mixing concentrated phospholipids and unsaturated oil and adding lipase for catalyzing phospholipid for ester exchange reaction; inactivating lipase after reaction, removing non-esterified fatty acid, concentrating and drying to obtain powder texture phospholipid crude product; and further extracting, decoloring and concentrating the powder texture phospholipid crude product to obtain pasty texture lecithin, freezing and drying to obtain the powder texture phospholipid product B. For the texture lecithin prepared by the invention, ester exchange occurs at saturated fatty acid at 1 and 3 of phospholipid positions at the same time and are all replaced by unsaturated fatty acid, thus having abundant nutrition and being healthy for human bodies; the method in the invention has the advantages of mild reaction conditions and no damage of product structure, especially can protect unsaturated bonds in unsaturated fatty acid well.

Aldehyde-free bio-based resin and composite materials include flexible or rigid thermoset resins of epoxidized oils derived from unsaturated oils which are cured with crosslinking carboxylic acids, natural food acids, anhydrides and acid anhydrides, and may be combined with different lignocellulosic fibers, forestry products or waste, with up to 100% renewable content.

The invention discloses a method for the low-temperature extraction of seabuckthorn seed oil, and a compound product so as to solve the problem in the existing method that unsaturated oil and fat in the seed oil is likely to oxidize and a compound grease product has low effective active ingredients. The compound product of the seabuckthorn seed oil is compounded by the following raw materials in parts by weight: 45-55% of seabuckthorn seed oil, 40-50% of fructus hippophae oil and 5-15% of olive oil. The method for the low-temperature extraction of the seabuckthorn seed oil comprises the following steps: preprocessing: carrying out edulcoration on fructus hippophae raw materials, draining after clean water rinsing is carried out, then, drying in an oven at a drying temperature of 40-50 DEG C, and then, pressing the fructus hippophae to a thin pancake shape of which the thickness is 0.01-0.03mm; then, carrying out low-temperature extraction to obtain crude seabuckthorn seed oil; carrying out centrifugation and edulcoration on the crude seabuckthorn seed oil to obtain finished product seed oil. According to the method, subcritical equipment is applied to extract the seabuckthorn seed oil, the seabuckthorn seed oil is compounded with the fructus hippophae oil to obtain compound seabuckthorn grease with higher stability.

A shortening system, such as a spray shortening system; for instance, a shortening system containing unhydrogenated or non-hydrogenated vegetable oil, such as a highly unsaturated, non-hydrogenated or unhydrogenated vegetable oil, e.g., soybean oil or canola oil and a minimum or minor amount (e.g., by weight about 3-10%, advantageously about 3-7%, more advantageously about 3-6% or about 3-5% or less than about 6% or less than about 8%) of conserved trans monoglyceride and/or diglyceride, advantageously a monoglyceride or a mono-and diglyceride that is mostly monoglyceride, based on a highly unsaturated oil, such as a highly unsaturated vegetable oil, e.g., canola or soybean oil, which has been selectively and partially hydrogenated so as to result in conservation of the geometric isomer of the C18:1 ester, namely the C18:1t or elaidic ester, as well as to methods for making and using such a shortening system, products from the use of such a shortening system, and the monoglyceride and/or diglyceride constituent of the shortening system, and methods for making and uses thereof.

The invention relates to the field of chemistry and relates to long-term stable oil PTFE dispersions, such as can be used, for example, in transmissions or bearings, and a method for the production thereof. The object of the present invention is therefore to disclose a long-term stable oil PTFE dispersion as well as a simple and cost-effective method for the production thereof. The object is attained with an oil PTFE dispersion comprising PTFE particles and a monoolefinically or polyolefinically unsaturated oil, wherein molecules of the olefinically unsaturated oil are covalently/chemically coupled to PTFE (primary) particle surfaces via radical reactions, and wherein a permanent charge separation between the PTFE particle surfaces and the coupled oil molecules is present and a fine dispersion of the PTFE particles in the oil or oil mixture is present. The object is furthermore attained through a method in which the modified PTFE (emulsion) polymers are mixed with persistent perfluoro (peroxy) radicals jointly with an olefinically unsaturated oil and subsequently the modified PTFE (emulsion) polymers are subjected to a mechanical stress.

The invention belongs to the technical field of photocureable coatings, and particularly relates to a transparent hydrophobic photocureable coating and a preparation method thereof.The preparation method comprises the following steps: raw materials are evenly mixed to obtain the photocureable coating, and the raw materials comprise unsaturated grease, a cross-linking agent and a photoinitiator; and the surface of a substrate is coated with the photocureable coating, the substrate is irradiated under ultraviolet light, and the transparent hydrophobic photocureable coating is obtained. The transparent hydrophobic photocureable coating meets the national environmental protection requirement in the processing process and the final product application, the preparation method is simple, the requirement for equipment is not high, the cost is extremely low, the viscosity is moderate, the transparent coating requirement is met, and the transparent coating is hard, resistant to scraping, low in surface tension and good in durability.

The invention includes an aqueous coating composition having a substituted succinimide compound, wherein the substituted succinimide compound has an acid value of at least about 30 mg KOH/g of the substituted succinimide compound. The substituted succinimide compound may be the reaction product of an unsaturated oil comprising at least one non-aromatic unsaturated carbon-carbon bond, a polymer derived from the unsaturated oil, or a combination thereof with maleic anhydride and a primary amine.