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78 results about "D-alpha-Tocopheryl Acetate" patented technology

Vitamin E, as d alpha Tocopheryl Acetate, is a major antioxidant and the primary defense against lipid peroxidation. Vitamin E is particularly important in protecting the body's cells from free radical and oxidative damage.

Seacucumber-blueberry instant particles and processing method thereof

ActiveCN101897458ARich in nutrientsSignificant nourishing and health effectsFood preparationNutrientNutritional composition
The invention relates to seacucumber-blueberry instant particles and a processing method thereof. Seacucumber, blueberry and barbary wolfberry fruit are taken as major raw materials, vitamin C, citric acid, xylitol, a sweetener and an excipient are taken as auxiliary raw materials and nutrient components such as zinc gluconate, taurine, vitamin E acetate, collagen, L-carnitine, calcium gluconate and the like are added as required by different people. The method comprises the following steps of: performing pretreatment, biological enzymolysis, extraction and drying on the raw materials; extracting active components in the raw materials; and mixing, pelletizing, drying and disinfecting the active components to obtain the instant particles. Protein in the seacucumber is hydrolyzed to exist in the form of small molecule peptides so that the protein is easy to be absorbed by human bodies, the activities of nutrient substances in a mixture are kept, the active components are stabilized in a product, the original juice, original taste and original colors of the raw materials are kept and the medicinal value, nutrient value and drinking value of the mixture of a plurality of raw materials are enhanced. The particles have the advantages of bright color, uniform form, stable property, rich nutrition, pleasant sweetness and sourness, convenient drinking and remarkable nourishing effect.
Owner:辽宁阿里郎生物工程股份有限公司

Predextrinization acetate starch and its preparation method

InactiveCN1903884AWide variety of sourcesThe process flow is simple and applicableAcetic anhydrideSodium hydroxide
The present invention discloses a kind of pregelatinized acetate starch and its preparation method. It is made up by using water as medium, using various potato or cassava starches, acetic anhydride, hydrochloric acid and sodium hydroxide as raw material through 11 processes of maxing paste, esterification, neutralization, washing, drying, screening, mixing paste, pregelatinizing, pulverizing, screening and packaging. It can be used in the frozen food and instant food of food industry.
Owner:四平帝达变性淀粉有限公司

Gumbo-containing vermicelli and preparation method thereof

InactiveCN104366270AMaintain nutritional functionMaintain health functionFood preparationCarrageenanVitamin C
The invention discloses to gumbo-containing vermicelli and a preparation method thereof, and relates to the field of food processing. The gumbo-containing vermicelli is prepared from the following raw materials in parts by weight: 70-84 parts of high gluten flour, 15-29 parts of gumbo pulp, 0.1-0.15 part of a color fixative (sodium tripolyphosphate, sodium hexametaphosphate, sodium erythorbate or ascorbic acid), 0.8-1.5 parts of edible salt, 0.03-0.08 part of a modifier (carrageenan, starch acetate, propylene glycol alginate or propylene glycol) and 0-1.6 parts of water. The vermicelli is produced by taking the gumbo primary pulp and the flour as raw materials, the inherent nutrition and health functions of gumbo are maintained, the smoothness of the vermicelli is improved, and the vermicelli is good in mouth feel; the vermicelli has the advantages of being nutritional, bright in color and good in mouth feel; the vermicelli product contains rich amino acid, vitamin A, dietary fiber, vitamin C and mineral substances including calcium, iron, zinc and selenium which are essential elements for resisting fatigue, delaying aging and replenishing blood for a human body, thus having a good health care function; after being eaten for a long time, the gumbo-containing vermicelli has effects of nourishing and protecting the stomach as well as strengthening the kidneys and tonifying deficiency.
Owner:ANHUI YANHU FLOUR

Preparation method of vitamin A acetate

The invention provides a preparation method for vitamin A acetate. The preparation method comprises the following steps: carrying out an addition reaction on a C15 phosphonium salt and a C5 aldehyde in the presence of an alkali compound to generate an ylide salt; and subjecting the ylide to a decomposition reaction to obtain the vitamin A acetate, wherein the content of ylide in a reaction system in a reaction process is less than or equal to 0.06 mol / L. According to the preparation method, on the basis of a C15 + C5 Wittig reaction, the content of ylide in the reaction system in the reaction process is controlled, and the vitamin A acetate with high purity, high trans-isomerization selectivity and high yield is obtained. The preparation method is suitable for any-scale reaction and can be carried out in batches and conducted semi-continuously or completely continuously; and the obtained vitamin A acetate is low in chromatic value, good in oxidation resistance and thermal stability, low in deterioration rate, beneficial to long-term stable storage and very good in market competitiveness.
Owner:WANHUA CHEM GRP CO LTD

Device and method for preparing vitamin A acetate by multistage continuous tandem reaction extraction

The invention relates to a method for preparing vitamin A acetate by multistage continuous tandem reaction extraction, which adopts a multistage continuous tandem reaction extraction device and comprises a reaction extraction stirring kettle, a high-speed shearing mixer, a pump, a cyclone hydraulic separator and an oil-water separator. The method comprises the following steps: continuously introducing a raw material F1, an alkali liquor F2 and an extraction agent E0 into a multi-stage continuous tandem reaction extraction device, and carrying out wittig reaction synthesis to obtain the vitaminA acetate. The method has the advantages that the reaction and extraction processes can be simultaneously carried out in the multi-stage continuous tandem reaction extraction device, and the solid phase generated in the reaction process can be separated in time, so that the side reaction is favorably reduced, and the yield of the vitamin A acetate is improved; and compared with the traditional batch production process, the process provided by the invention realizes continuous production, shortens the production period and can reduce the production cost.
Owner:WANHUA CHEM GRP CO LTD

Synthesis method of alpha-acetyl-gamma-butyrolactone

The invention relates to the technical field of chemical synthesis, and discloses a synthesis method of alpha-acetyl-gamma-butyrolactone. The method comprises: carrying out inert gas replacement on afirst reaction kettle, adding metal sodium in the inert gas atmosphere, and raising the temperature until the metal sodium is molten in order to obtain molten metal sodium; adding gamma-butyrolactoneand acetate into a second reaction kettle, raising the temperature until the system is refluxed, dropwise adding molten liquid metal sodium into the system, carrying out a condensation reaction, and keeping the system refluxed for 1-16 h after the drop-by-drop addition of the liquid metal sodium is finished; and neutralizing the system with an acid solution after the condensation reaction is finished, carrying out phase splitting, and carrying out distillation and reduced pressure rectification on the obtained organic phase to obtain the alpha-acetyl-gamma-butyrolactone. A solvent-free technology is adopted, and the reaction process is controlled by controlling the dropping speed of the liquid metal sodium, so the method has the characteristics of stable and safe reaction, and avoiding ofthe problems of environmental pollution and difficult separation caused by using benzene substances as a solvent and an extractant in the traditional process.
Owner:LINHAI LIANSHENG CHEM

Preparation method for 3,5-estradiene-3,17beta-diacetate

The invention relates to a preparation method for 3,5-estradiene-3,17beta-diacetate. The preparation method comprises the following steps: sequentially adding nandrolone, p-toluenesulfonic acid monohydrate, isopropyl acetate and magneton No. 15 into a reactor, introducing condensed water, carrying out a heating reaction in an oil-bath pot and slowing adding isopropenyl acetate when reflux condensation of the obtained system begins; after completion of a reaction, carrying out evaporation to remove a solvent; cooling the system, adding pyridine, and adding isopropanol drop by drop until a white solid product is precipitated; carrying out low-temperature cooling and pumping filtration and then carrying out cleaning with cold isopropanol; collecting the white solid product and then carrying out drying so as to obtain a pure 3,5-estradiene-3,17beta-diacetate product. According to the invention, nandrolone is used as a substrate and a one-pot method is employed for carbonyl and hydroxyl acetylation protection so as to synthesize the product; the method is simple in process, mild in conditions and friendly to environment and has yield of up to 85%; and the synthesized product has critical application value in the fields of medicines, veterinary drugs and pesticides and is an important pro-drug for tibolone.
Owner:HUBEI UNIV OF TECH

Preparation method of composition containing spirulina polysaccharide extract

The invention discloses a preparation method of a composition containing spirulina polysaccharide extract. The preparation method comprises the following steps of: heating and dissolving an A-phase raw material; heating and melting a B-phase raw material and adding the B-phase raw material into the A-phase raw material; stirring while adding; homogenizing; then adding a C-phase raw material in sequence in a stirring process; homogenizing and stirring to obtain the composition. The A-phase raw material comprises caprylic / capric triglyceride, CreamMaker-Blead, Gelmaker EMU and vitamin E acetate;or the A-phase raw material comprises jojoba oil, CreamMaker-Blead, avocado oil, cetostearyl alcohol, vitamin E acetate and Gelmaker EMU; the B-phase raw material comprises glycerol, sodium hyaluronate and de-ionized water; or the B-phase raw material comprises glycerol, sodium hyaluronate, sodium pyrrolidone carboxylate, 1, 3-butanediol and de-ionized water; and the C-phase raw material comprises spirulina extract, butterflybush flower extract, grape seed extract, ulmus pumila extract, asiaticoside extract, benzyl alcohol-DHA and essence. The product disclosed by the invention has relativelygood stable properties including heat resistance, cold resistance and the like, has a relatively good cleaning effect on DPPH and. OH and has relatively good moisture retention.
Owner:CHINA PHARM UNIV

Whitening cream and making method thereof

A whitening cream comprises avocado oil, squalane, caprylic / capric glyceride, dimethicone, EMT-10, Olivem 1000, glabridin, apricot kernel oil, bisabolol, vitamin E acetate, glycerin, xanthan gum, seamollient, allantoin, 1,3-propylene glycol, methylparaben, deionized water B, arbutin, deionized water C, a wheat germ extract product, methylisothiazolinone and an essence. A making method of the whitening cream comprises the following steps: 1, mixing the seventh material with the ninth material and the tenth material; 2, adding the first material, the second material, the third material, the fourth material, the fifth material, the sixth material and the eighth material into an oil pot, and heating; 3, mixing the eleventh material with the twelfth material; 4, pouring the seventeenth material into a water pot, adding a mixture obtained in step 3, and adding the thirteenth material, the fourteenth material, the fifteenth material and the sixteenth material into the water pot; 5, heating an emulsifying pot; 6, mixing the eighteenth material, the nineteenth material and the twentieth material; 7, pumping the material in the oil pot into the emulsifying pot; 8, pumping the material in the water pot into the emulsifying pot; 9, cooling; 10, adding a mixture obtained in step 1 and a mixture obtained in step 3 into the emulsifying pot, and adding the twenty-first material and the twenty-second material; 11, sampling; 12, discharging; and 13, packaging. The whitening cream has whitening, spot fading, ageing resisting, allergy resisting and skin endurance improving effects.
Owner:DALIAN MEILE BIOLOGICAL TECH DEV

Electric hammer gas cylinder lubricating grease and preparation method thereof

The invention discloses electric hammer gas cylinder lubricating grease and a preparation method thereof. The electric hammer gas cylinder lubricating grease is prepared from the following raw materials in parts by weight: 30-50 parts of jojoba oil, 20-40 parts of shea butter, 3-5 parts of rhamnolipid, 2.5-4.5 parts of oleyl myristate, 4-8 parts of melamine cyanurate, 3-6 parts of zinc dihydrogen phosphate, 5-10 parts of silicone powder, 8-14 parts of beewax, 2-4 parts of lanthanum fluoride, 10-15 parts of lithium lanocerate, 4-7 parts of iso-propyl xanthogen disulfide, 2-3 parts of vitamin e acetate, 6-9 parts of polyepoxysuccinic acid and 1.5-2.5 parts of methyl benzotriazole. The lubricating grease disclosed by the invention has excellent wear resistance and extremely good load bearing capacity, capacity of bearing long-time movement, lasting lubricating performances, a very long service life, capacity of reducing equipment maintenance and consumption of the lubricating grease, excellent water resistance, adhesion and rust resistance, and capacity of being firmly adhered on the metal surface to protect the metal from being worn and corroded. The electric hammer gas cylinder lubricating grease is suitable for lubricating various electric hammer gas cylinders, and especially suitable for lubricating and sealing the electric hammer gas cylinder which is in high-speed operation for a long time.
Owner:任新年

Antioxidant skin balm

This invention pertains to therapeutic antioxidant-lesion / abrasion / mole healing and / or removal compositions comprising therapeutically effective amount of antioxidant / free-radical fighting agents. In one embodiment, the lesion healing composition comprises (a) honey; (b) grape seed extract / proanthocyanidins powder; (c) ascorbic acid (vitamin C with rosehips); (d) d-alpha tocopheryl acetate (natural vitamin E); (e) soy oil; (f) purified water, grape seed oil. The therapeutic antioxidant may be used topically (on external skin) or orally (in mouth or throat areas). The antioxidant composition is sticky in texture and not suitable for applying over a wide area as a moisturizer.
Owner:PERRIN JUDITH LOUISE SANDERSON
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