Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

492 results about "Vitamine e" patented technology

Novel association of active ingredients, pharmaceutical and / or nutraceutical compositions containing it and their use in the prevention and repair of damage to the central and peripheral nervous system

PCT designated stage expiredWO2025146608A1Nervous disorderAntipyreticNervous systemNutrition
The present invention relates to a novel association or combination of active ingredients useful in the prevention and repair of neuronal damage, both centrally and peripherally. In greater detail, the present invention relates to an association or combination of i) an extract of Gastrodia elata and ii) at least one ingredient selected from the group comprising or, alternatively, consisting of citicoline, L-acetylcarnitine and, preferably, at least one vitamin of group D, and / or mixtures thereof, and / or at least one vitamin of group B, and / or mixtures thereof. Furthermore, the invention also relates to the pharmaceutical compositions and / or compositions for medical devices (Regulation (EU) 2017 / 745) and / or nutraceutical and / or food compositions comprising that association and to their use in therapy, in particular in the protection of the functionality of the nervous system and in the prevention and / or treatment of central and peripheral neuropathies.
Owner:FUTURA S R L SOVICO

Natural mixed feed additive and preparation method thereof

The invention relates to the technical field of feed formulas, and particularly discloses a natural mixed feed additive and a preparation method thereof. The natural mixed feed additive comprises the following raw materials in parts by mass: 4-7 parts of vitamin E, 5-15 parts of beta-carotene, 10-16 parts of soybean oil, 20-35 parts of deionized water, 5-8 parts of modified probiotic microcapsules and 1-5 parts of an emulsifier, wherein the modified probiotic microcapsules contain sodium alginate-pectin composite microencapsulated probiotics; the preparation method comprises the following steps: heating 10-16 parts of soybean oil to 35-45 DEG C, then adding 4-7 parts of vitamin E and 5-15 parts of beta-carotene, and stirring; adding 1-5 parts of an emulsifier into 20-35 parts of deionized water, heating to 45-55 DEG C, stirring, and then slowly adding into the mixed solution obtained in the step S1; 5-8 parts of modified probiotic microcapsules are added, and stirring is conducted for 8-12 min under the condition of 100-200 r / min. The natural mixed feed additive disclosed by the invention has the advantage that the defect that the feed additive still has defects in the aspect of reducing intestinal diseases of animals can be overcome.
Owner:SHANDONG NEW ELEMENT BIOTECHNOLOGY CO LTD

Fusion vitamin D hydroxylase and application thereof in preparation of 25-hydroxyvitamin D2 and 25-hydroxyvitamin D3

The invention belongs to the technical field of gene engineering, and particularly relates to fusion vitamin D hydroxylase and application thereof in preparation of 25-hydroxy vitamin D2 and 25-hydroxy vitamin D3. The fusion vitamin D hydroxylase comprises a Vdh-K1 heme structural domain of which the amino acid sequence is shown as SEQ ID NO.1, a CYP116B65 redox structural domain of which the amino acid sequence is shown as SEQ ID NO.3, and a linker for connecting the Vdh-K1 heme structural domain and the CYP116B65 redox structural domain. The fusion vitamin D hydroxylase is a self-sufficiency enzyme, and can realize stable catalytic conversion of vitamin D2 and vitamin D3 on the premise of not depending on an Fdx and Fdr assisted electron transfer system.
Owner:SICHUAN UNIV

Application of pediococcus pentosaceus in preparation of products for improving pork quality and intestinal flora

PendingCN120188846ABacteriaAnimal feeding stuffBiotechnologyTibetan pig
The invention provides application of pediococcus pentosaceus in preparation of a product for improving pork quality and intestinal flora, and relates to the technical field of animal feeding. The pediococcus pentosaceus disclosed by the invention is pediococcus pentosaceus LL2018368, is separated from the digestive tract of a Diqing Tibetan pig and is preserved in the China General Microbiological Culture Collection Center (CGMCC), and the preservation number is CGMCC No.18709. The pediococcus pentosaceus disclosed by the invention has the advantages that the pediococcus pentosaceus can be used for preparing the pediococcus pentosaceus; the pediococcus pentosaceus LL2018368 is added into drinking water of the Du-Si pigs, the influence of the pediococcus pentosaceus LL2018368 on archaea, meat quality, tissue fat-soluble vitamins and excrement metabolite composition in the excrement of the Du-Si pigs is studied, and the result shows that the pediococcus pentosaceus LL2018368 enables the species of the archaea in the excrement to tend to be consistent, so that the content of the archaea in the excrement of the Du-Si pigs in the excrement of the Du-Si pigs in the excrement of the Du-Si pigs is increased. The contents of vitamin A and all-trans-retinol in kidney tissues are increased, and the probiotic functions of amino acid and fat metabolism related bacteria and enzymes are improved.
Owner:YUNNAN ANIMAL SCI & VETERINARY INST

Whitening and repairing composition containing PDRN and polypeptide and application of whitening and repairing composition

The invention relates to a whitening and repairing composition containing PDRN and polypeptide and application of the whitening and repairing composition. The composition comprises sodium hyaluronate, PDRN, polypeptide, vitamin C and cane sugar. Sodium hyaluronate, nucleic acid and polypeptide are adopted, so that the activity of collagen in the skin is enhanced, the moisture of cuticle and the integrity of a fiber structure are kept, the content of melanin in the epidermis is reduced, the skin barrier is repaired, the skin blood circulation is improved, anti-oxidation and anti-inflammatory treatment is performed, the skin color is brightened, and chromatosis is relieved, and sodium hyaluronate, nucleic acid and polypeptide are matched with one another; meanwhile, the release rate of nutritional ingredients is slowed down after the composition is injected into the skin, the action time is prolonged, and a better anti-degradation effect is achieved.
Owner:SUZHOU BOCHUANG TONGKANG PHARM TECH CO LTD

Preparation method of Witzia coagulans IOB502 microbial inoculum and application of Witzia coagulans IOB502 microbial inoculum in recovery of intestinal motility

The invention provides a preparation method of a Witzia ciliaris IOB502 microbial inoculum and an application of the Witzia ciliaris IOB502 microbial inoculum in the aspect of recovering intestinal motility, the Witzia ciliaris IOB502 microbial inoculum is prepared by adopting a method of carrying out low-oxygen stress staged fermentation on chickpeas by adopting the Witzia ciliaris IOB502, and the generation of vitamins B1 and B2 can be promoted. The microbial inoculum does not affect physiological development of important organs such as liver, spleen and small intestine of mice, can improve defecation symptoms of the mice with constipation, increase defecation times and water content of excrement, improve intestinal movement of the mice with constipation, promote smooth passage of intestinal contents, effectively improve colon injury of the mice with constipation, and improve the constipation rate of the mice with constipation. Comprising mucous membrane layer thinning and mucus secretion reduction.
Owner:TIANJIN MEDICAL UNIVERSITY GENERAL HOSPITAL +1

Flammulina velutipes culture method and culture material

The invention relates to the technical field of flammulina velutipes planting, in particular to a flammulina velutipes culture method and compost, which comprises the following steps: S1, preparing purple sweet potato water; the preparation method comprises the following steps: washing fresh purple sweet potatoes, mixing with water in proportion, boiling, cooling, filtering, and taking filtrate as purple sweet potato water for later use; s2, preparing a culture material; the raw materials comprise corncobs, rice bran, bran, cottonseed hulls, sugar beet pulp, soybean hulls, corn flour, brewer's grains, calcium carbonate and shellfish fossils. The preparation method comprises the following steps: weighing solid raw materials in proportion, stirring the raw materials in a stirrer for 10 minutes to obtain a mixture, uniformly mixing the mixture, adding the purple sweet potato water prepared in the step S1, fully stirring the mixture until the mixture is uniformly mixed, and controlling the water content of a final culture material to be 62-68% to obtain the culture medium. The purple sweet potato water is used for completely replacing tap water to serve as a culture material component, the purple sweet potato water is not only a solvent, but also a natural nutrient solution rich in anthocyanin, polysaccharide, vitamins and mineral substances, flammulina velutipes hyphae can absorb and convert the substances, and the anthocyanin content in sporocarp is remarkably increased.
Owner:ANHUI KANGHENG BIOTECHNOLOGY CO LTD

Livestock water heater with a controlled composition dispenser and related method

A portable submersible livestock water quality dispensing device and design for a livestock drinking station is provided. The portable submersible livestock water quality dispensing device has a heating element and a variable pressure pump with internal compartments or inserts for accommodating biocides, minerals, vitamins and medicaments and preferably a rotatable circulation device and method for their controlled release and dosing.
Owner:CHAMBERLAIN MATTHEW +2

Ascorbic acid-S-glutathione conjugate and derivative as well as preparation method and application of ascorbic acid-S-glutathione conjugate

The invention provides an ascorbic acid-S-glutathione conjugate, a derivative, a preparation method and application of the ascorbic acid-S-glutathione conjugate. The conjugate is obtained by activating ascorbic acid-6-hydroxyl by halogenation or sulfo group and then connecting the activated ascorbic acid-6-hydroxyl with sulfydryl of glutathione through thioether. The invention also discloses derivatives such as salts, esters, N-acylates, N-alkylates and the like of the compound. The stability of the series of compounds is greatly improved compared with that of vitamin C, and the whitening effect is obviously better than that of vitamin C and glutathione monomers. The invention also discloses a preparation method of the series of compounds and application of the series of compounds as antioxidants, whitening agents, nutritional supplements and the like in cosmetics, foods, feeds and medicines.
Owner:NANJING SHENG DE BAI TAI BIOLOGY SCI & TECH CO LTD

Instant sugar-free vitamin mineral composition and preparation method thereof

The invention relates to the technical field of functional food preparation, in particular to an instant sugar-free vitamin mineral composition and a preparation method thereof. The composition comprises vitamin microcapsule powder, vitamin mineral particles, maltodextrin and a food additive. The composition is prepared by a three-step method comprising the following steps: firstly, preparing fat-soluble vitamin, natural colloid, protein and the like into microcapsules; carrying out superfine grinding on water-soluble vitamins and mineral substances, granulating with maltodextrin and the like, and controlling the particle size of particles; and finally, mixing the components in proportion. Sugar-free wall materials such as natural vegetable gum, protein and fibers are adopted, traditional saccharides are not used, and the sugar-free wall materials have good instant solubility, dispersity and stability, can effectively cover bitter taste and metal taste of vitamins and mineral substances, are suitable for different people, especially people needing sugar control, and achieve comprehensive, stable and easy-to-absorb nutritional supplement.
Owner:NANTONG LICHENG BIOLOGICAL ENG CO LTD +1

Feed premix for improving chicken quality

The invention provides a feed premix for improving chicken quality. The fresh-keeping agent is prepared from the following components in percentage by weight: 5%-15% of a flavor enhancing component, 10%-25% of a tenderness improving component, 3%-10% of an antioxidant fresh-keeping component, 2%-3% of a function enhancing component and the balance of a carrier and a diluent, the function strengthening component is prepared from beta-alanine embedded citronella essential oil and konjac glucomannan zymolyte; the flavor enhancing component comprises a rosemary extract, a yeast culture and curcumin in a mass ratio of (2-4): (1-3): 1; the tenderness improving component comprises conjugated linoleic acid, L-carnitine modified by glutamine transaminase and betaine in a mass ratio of (3-5): (2-4): 1; the antioxidant fresh-keeping component is vitamin E and tea polyphenol in a mass ratio of (1-2): 1. Through multi-component synergism and functional targeting optimization, a three-dimensional quality improvement system with enhanced flavor, improved tenderness, oxidation resistance and fresh keeping is constructed, so that the chicken quality is comprehensively upgraded.
Owner:BAIHE (SHANGHAI) BIOTECHNOLOGY CO LTD

Methods of administering vitamin A and lactic acid to gilts

The present disclosure relates to the field of livestock farming, and specifically provides a feeding method for gilts in batch for promoting onset of puberty and alleviating estrus disorder of gilts, which is aiming at an industrial problem that a large number of gilts are culled due to delayed puberty onset or estrus disorder. The method includes: feeding, prior to onset of puberty for gilts with vitamin A combined with lactic acid; and performing, subsequent to the puberty onset of gilts, estrus synchronization treatment and insemination treatment on the gilts. By applying vitamin A combined with lactic acid, the present disclosure alleviates the delayed puberty onset or estrus disorder of the gilts, reduces the feeding duration and feeding cost of the gilts, facilitates synchronous estrus treatment of the gilts.
Owner:CHINA AGRI UNIV

Vitamin D3 and 7-dehydrocholesterol eutectic and preparation method and application thereof

The invention relates to a vitamin D3 and 7-dehydrocholesterol eutectic as well as a preparation method and application thereof. The eutectic is prepared from the following raw materials: vitamin D3 and 7-dehydrocholesterol in a molar ratio of (1-1.2): (1-1.2). The yield of the obtained eutectic substance is high, the preparation method is easy to operate, high-toxicity raw materials and waste residues difficult to treat do not exist, and the vitamin D3 eutectic method is more environmentally friendly and high in eutectic efficiency.
Owner:INNOBIO CORP LTD

Nutrition enhancer beneficial to bone health of middle-aged and elderly people, preparation method of nutrition enhancer and application of nutrition enhancer in preparation of medial care food

The invention provides a nutrition enhancer beneficial to bone health of middle-aged and elderly people, a preparation method of the nutrition enhancer and application of the nutrition enhancer in preparation of medial care food, and belongs to the field of nutritious food. The nutrient supplement comprises a plant fermentation product, osteopontin peptide, collagen peptide, N-acetylglucosamine and calcium, vitamins and mineral substances can be added, and the plant fermentation product is obtained by performing anaerobic fermentation on rhizoma drynariae and chestnuts through a complex microbial inoculant composed of lactobacillus reuteri and bifidobacterium longum subsp. Longum; the collagen peptide is prepared by performing enzymolysis on bovine bones through alkaline protease and flavourzyme; the hydrogel is prepared by adopting a sodium alginate-calcium chloride-carboxymethyl chitosan micro-capsule embedding process. An in-vitro experiment shows that the nutrition enhancer can remarkably promote osteoblast proliferation, differentiation and mineralization; animal experiments show that the bone mineral density of osteoporosis model mice can be effectively improved. The nutrition enhancer disclosed by the invention is suitable for preparing care food and bone health products, and has a remarkable effect of improving bone health of middle-aged and elderly people.
Owner:HENAN UNIVERSITY OF TECHNOLOGY

Microcapsule, preparation method therefor, and use thereof in preventing and / or treating damage to salivary glands caused by radiation therapy

A microcapsule containing vitamin C and nitrate, said capsule comprising a wall material and a core material encapsulated in the wall material. The wall material comprises pectin and sodium carboxymethyl cellulose, and the core material comprises vitamin C, nitrate, and chitosan. The raw materials of the microcapsule comprise, in parts by weight: pectin 0.7-1.2 parts by weight, sodium carboxymethyl cellulose 0.7-1.2 parts by weight, chitosan 1 part by weight, and vitamin C and nitrate in a total amount of 0.3-1.2 parts by weight, the molar ratio of vitamin C to nitrate ions being 1:1-1:5. A use of the microcapsule in the preparation of a drug for preventing and / or treating damage to the salivary glands caused by radiation therapy, in particular a use in the preparation of a drug for preventing and / or treating damage to the salivary glands caused by radiation therapy for nasopharyngeal carcinoma.
Owner:CAPITAL UNIVERSITY OF MEDICAL SCIENCES +1

Nutritional composition as well as preparation method, application and product thereof

The invention belongs to the technical field of biological medicines, and particularly relates to a nutritional composition as well as a preparation method, application and a product thereof. The nutritional composition provided by the invention consists of nicotinamide, B vitamins and a fungal polysaccharide compound, the vitamin B consists of vitamin B1, vitamin B2, vitamin B6, vitamin B12 and folic acid; the fungal polysaccharide compound is composed of a lucid ganoderma extract, a mushroom extract, an agaricus blazei murill extract, a hericium erinaceus extract, a coprinus comatus extract, a grifola frondosa extract and a cordyceps militaris extract. Western medicine source substances (nicotinamide and B vitamins) and traditional Chinese medicine source substances (fungal polysaccharide compounds) are combined, and the nutrition composition is prepared through combination of the Chinese medicine and the western medicine. The nutritional composition has remarkable effects of enhancing immunity, delaying senescence, resisting fatigue and resisting oxidation, and shows extremely wide application prospects in the field of preparation of health-care products, medicines and cosmetics.
Owner:ENMU EN (SHIYAN CITY) HEALTH IND CO LTD

Culture medium and culture method of fibroblast stem cells and application of fibroblast stem cells in facial beautification

The invention provides a culture method of fibroblast stem cells and application of the fibroblast stem cells in facial beautification, and relates to the technical field of cell biology. The culture medium provided by the invention comprises a basic culture medium, a growth factor, an immunomodulatory factor, an antioxidant protective agent and amino acid, the growth factors comprise bFGF, TGF-beta and EGF (Epidermal Growth Factor); the immunoregulation factors comprise IL-6 (Interleukin-6) and IL-10 (Interleukin-10); the antioxidant protective agent comprises vitamin C and glutathione. Through scientific combination of the growth factor, the immune factor and the antioxidant, the culture medium and the culture method significantly improve the proliferation efficiency, the passage frequency and the functional stability of the fibroblast stem cells, and efficient and safe cell products are obtained.
Owner:SHENZHEN XINSHENGYUAN CELL TECHNOLOGY CO LTD

Multi-layer structure platelet-rich plasma preparation tube and extraction method

The multi-layer structure platelet-rich plasma preparation tube comprises a vacuum blood collection tube body, a rubber plug is installed at the top end of the vacuum blood collection tube body, and a calcium gluconate solution layer is arranged at the bottom in the vacuum blood collection tube body. A separation gel layer II is arranged on the upper side of the calcium gluconate solution layer in the vacuum blood collection tube body, and a vitamin C solution layer is arranged on the upper side of the separation gel layer II in the vacuum blood collection tube body. The invention has the beneficial effects that through the design of the separation gel layer I and the separation gel layer II, the effective isolation of the vitamin C solution layer and the calcium gluconate solution layer from the ACDA solution layer before centrifugal separation is realized, chemical reaction or degradation is avoided, and a mixture of vitamin C and PRP is conveniently and quickly obtained through centrifugal operation after blood drawing, so that the blood drawing efficiency is improved. The method is used for tissue repair, regeneration and whitening, the operation process is simplified, and the product quality and safety are improved.
Owner:BEIJING HANBAIHAN MEDICAL EQUIP CO LTD

Composition for preservation of vitamin D and vitamin K, substitute matrix and application

The invention provides a composition for preservation of vitamin D and vitamin K, an alternative matrix and application, and relates to the technical field of detection reagents. The composition comprises 0.5-3 mol / L of sodium pyrosulfite, 0.5-3 mol / L of sodium hydrogen sulfite and 0.5-3 wt% of lipoprotein lipase, and the technical problems that vitamin D and vitamin K are unstable and prone to failure are solved.
Owner:BEIJING JISHUITAN HOSPITAL

Qualitative and quantitative detection method for vitamin A and vitamin E in food

PendingCN121253704AComponent separationSaponificationMatrix matched calibration
The invention discloses a qualitative and quantitative detection method for vitamin A and vitamin E in food. The qualitative and quantitative detection method comprises the following steps: step 1, pre-treating a sample and accurately adding an isotope internal standard: adding d6-alpha-tocopheryl acetate and d8-retinol acetate into the sample before saponification and preparing a blank matrix; 2, pre-treatment parameter QbD-DOE collaborative optimization, wherein a response surface method is adopted for conducting center composite design on the saponification temperature, time and BHT concentration, and the interaction effect of all the factors is analyzed to determine an optimal operation window; step 3, intelligently optimizing chromatography-mass spectrometry conditions and tuning parameters; step 4, constructing a matrix matching calibration curve and performing WLS quantitative analysis: performing gradient dilution on a standard substance by utilizing a blank matrix extracting solution, adding an isotope internal standard to prepare a 5-7-point matrix matching calibration curve, fitting the curve by adopting a weighted least square method, and verifying the correlation and intercept change of the calibration curve every day; and 5, multi-dimensional qualitative confirmation and intelligent diagnosis system operation.
Owner:SHAANXI INST OF PROD QUALITY SUPERVISION & INSPECTION

Cardioprotective compound composition based on improving coenzyme Q10 absorption rate and its preparation

This invention discloses a cardioprotective compound composition and its preparation based on improving the absorption rate of coenzyme Q10, relating to the fields of pharmaceuticals and functional foods. The core active ingredients of this composition consist of coenzyme Q10, vitamin E, and black pepper extract, with a specific mass ratio range for each. It can also be combined with pharmaceutically acceptable carriers and antioxidant synergists to prepare various oral formulations. This invention, through the construction of a ternary active component with a specific ratio, achieves in vivo synergistic effects on absorption promotion and antioxidant regeneration, solving the technical problems of low oral bioavailability and insufficient accumulation of myocardial-targeted activity in existing coenzyme Q10 preparations. It significantly improves the conversion efficiency of coenzyme Q10 into a usable active form for cardiomyocytes and can be widely applied in the preparation of drugs and functional foods for the prevention or treatment of heart diseases.
Owner:ENWEIDA (HAINAN) CONSULTING SERVICES CO LTD

Cosmetic water-in-oil emulsion comprising a volatile oil, a hydrophobic film-forming polymer, a polyoxyalkylenated linear polydimethylmethylsiloxane and a vitamin b 3

PCT designated stage expiredWO2025153358A1Cosmetic preparationsMake-upBenzoxazolePolymer science
The present invention relates to a composition in the form of a water-in-oil emulsion, comprising: a) at least one oily continuous phase comprising at least one volatile oil chosen from volatile hydrocarbon oils, volatile silicone oils and their mixtures, and b) at least one aqueous phase dispersed in said oily phase, the amount of water being greater than or equal to 20% by weight, with respect to the total weight of the composition, and c) at least one hydrophobic film-forming polymer, and d) at least one emulsifying surfactant chosen from polyoxyalkylenated linear polydimethylmethylsiloxanes with an HLB ≤ 8.0, and e) at least 3.0% by weight of a vitamin B3 and / or one of its derivatives, with respect to the total weight of the composition, said composition not containing a water-soluble organic UV screening agent comprising at least one benzylidenecamphorsulfonic acid group nor a water-soluble organic UV screening agent comprising at least one benzoxazolesulfonic acid group.
Owner:LOREAL SA

Cement concrete admixture based on vitamin C and water glass as well as preparation method and application of cement concrete admixture

PendingCN120622835AVitamin CVitamin
The invention belongs to the technical field of concrete materials, and particularly relates to a cement concrete admixture based on vitamin C and water glass as well as a preparation method and application of the cement concrete admixture. 40-45% of a water glass solution; and the balance water. Compared with the prior art, the problems that in the prior art, the improvement effect of an admixture on the performance of cement concrete, especially the fluidity, the setting time and the strength is limited, multi-performance synchronous improvement cannot be achieved, and an existing admixture has negative effects on the cement concrete are solved. According to the cement concrete admixture provided based on the vitamin C and the water glass, the vitamin C and the water glass are combined according to a specific proportion, so that the workability of concrete can be remarkably improved, the setting time can be adjusted, the early-stage and later-stage strength can be improved, and the durability of the concrete can be enhanced.
Owner:TONGJI UNIV

Fat-soluble component nano-emulsion and preparation method thereof

The invention relates to the technical field of preparation of health-care products, in particular to a fat-soluble component nano-emulsion and a preparation method thereof. The preparation method comprises the following steps: stirring and dissolving the antioxidant and the caprylic / capric triglyceride, adding the vitamin D3 and the retinyl palmitate, and stirring and dissolving to obtain an oil phase; stirring the starch sodium octenylsuccinate in purified water until the starch sodium octenylsuccinate is dissolved, adding glycerol, and uniformly stirring and mixing to obtain a water phase; adding a small amount of water phase into the oil phase, and stirring at high speed to obtain primary emulsion; adding the primary emulsion into the residual water phase, stirring at a high speed, shearing and homogenizing to obtain a nano embedding emulsion; adding citric acid, cane sugar and sodium ascorbate into purified water, adding the nano embedding emulsion, and uniformly stirring to obtain a concentrated solution; and diluting the concentrated solution and adjusting the pH value to obtain the fat-soluble component nano-emulsion. The fat-soluble component nano-emulsion provided by the invention has good safety; the product can be easily absorbed and utilized by a human body, and is convenient for people to quickly supplement vitamin A and vitamin D3 required by the body.
Owner:HEILONGJIANG RENHETANG PHARM CO LTD

Method for simultaneously detecting multiple fat-soluble vitamins

The invention relates to the field of detection, in particular to a method for simultaneously detecting multiple fat-soluble vitamins, which comprises the following steps: (S.1) carrying out protein precipitation and liquid-liquid extraction on a sample to be detected to obtain an extract containing fat-soluble vitamins; (S.2) carrying out derivatization reaction on the extract by using a PTAD derivatization reagent; and (S.3) analyzing the derivatized product by adopting a liquid chromatography-tandem mass spectrometry method, wherein the detected target fat-soluble vitamins comprise vitamin A, vitamin E, 25-hydroxy vitamin D2, 25-hydroxy vitamin D3, vitamin K1, vitamin K2 and vitamin K2. According to the application, PTAD is creatively adopted as a unified derivatization reagent, simultaneous and efficient derivatization of seven fat-soluble vitamins is successfully realized, the detection sensitivity of low-content targets, especially vitamin D, K2 and the like, is greatly improved, and the core problems of weak signal response and difficulty in accurate quantification are solved.
Owner:CHANGCHUN INSTITUTE OF APPLIED CHEMISTRY CHINESE ACADEMY OF SCIENCES +1

Composition for reducing homocysteine ​​levels

The present invention provides a homocysteine-reducing composition that rapidly lowers blood homocysteine ​​levels to an appropriate level without causing any concerns about side effects. [Solution] A composition for reducing homocysteine ​​levels, comprising one or more B vitamins selected from vitamin B6, vitamin B12, and folic acid, and β-NMN as active ingredients. The β-NMN content is in the range of 22.32% to 89.29% by weight. Vitamin C and vitamin B2 may also be added.
Owner:NODA PHARMACEUTICAL CO LTD

Nutritional composition for rapidly and uniformly supplementing nutrition for delivery of pregnant women and preparation method thereof

The invention provides a nutritional composition for quickly and uniformly supplementing nutrition for delivery of pregnant women and a preparation method of the nutritional composition. The invention provides a nutritional composition. The nutritional composition comprises maltodextrin, protein powder, glucose, triglyceride powder, fruit powder, fructose, mineral substances, vitamins and salt. The invention further provides a preparation method and application of the nutritional composition, a composition or a kit containing the nutritional composition, a non-treatment method and the like.
Owner:THE OBSTETRICS & GYNECOLOGY HOSPITAL OF FUDAN UNIV

Probiotic oral burst and process for preparing same

The application provides probiotic oral burst balls and a preparation process, and belongs to the technical field of probiotic embedding. The probiotic oral burst balls comprise core materials and wall materials. The core materials comprise probiotic raw materials, a flavoring agent, mannose, xylitol, mannose oligosaccharide, glycine, vitamin E and a solvent 1, and the solvent 1 is an oily solvent. The wall materials comprise trehalose, gelatin, cyclic dextrin and a solvent 2, and the solvent 2 is an oily solvent. The probiotic oral burst balls prepared by the preparation process have the characteristics of temperature resistance, acid resistance and storage resistance.
Owner:THANKCOME BIOLOGICAL SCI & TECH CO LTD

Essential oil composition for treating eczema-like skin symptoms and application thereof

The invention relates to the technical field of treatment of eczema-like skin symptoms, in particular to an essential oil composition for treating eczema-like skin symptoms and application thereof, and the essential oil composition comprises the following components in parts by weight: 10-20 parts of lavender essential oil, 5-10 parts of tea tree essential oil, 30-40 parts of olive oil, 5-10 parts of squalane, 0.5-1 part of vitamin E and 1-5 parts of plant extract. The lavender essential oil and the tea tree essential oil are compounded, and the olive oil, the squalane, the vitamin E and the plant extract are supplemented, so that symptoms such as skin erythema, papule and pruritus caused by eczema can be effectively relieved, and good anti-inflammatory, antibacterial, moisturizing and repairing effects are achieved. The composition has the advantages of simple components, simplified preparation process, low production cost and wide application range, and can better meet clinical requirements.
Owner:HEBEI XIANGSHENGTANG MEDICAL EQUIPMENT CO LTD

Soft capsule helpful for improving function of chloasma as well as preparation method and application of soft capsule

The invention provides a soft capsule helpful for improving the function of chloasma as well as a preparation method and application thereof, and relates to the technical field of health care products. The soft capsule comprises a mulberry leaf extract, a seville orange flower extract, a grape seed extract, an almond extract, donkey-hide gelatin powder, vitamin C and vitamin E. The soft capsule provided by the invention exerts the overall effect of improving chloasma through a multi-target synergistic mechanism from inside to outside: the mulberry leaf extract and the grape seed extract block melanogenesis from the source and resist ultraviolet damage by inhibiting tyrosinase activity and strongly resisting oxidation; the seville orange flower extract is used for soothing liver and regulating qi, and regulating internal pathogenesis; the almond extract and the donkey-hide gelatin powder have the effects of promoting blood circulation to remove blood stasis and nourishing yin and blood, improve microcirculation and nourish skin; vitamin C and vitamin E form an anti-oxidation cycle, so that melanin intermediates are directly reduced, and cell membranes are protected. All the raw materials supplement each other to jointly achieve the comprehensive effects of fading stains, brightening the skin color and improving the skin quality.
Owner:KANGHEJIAN BIOTECHNOLOGY (GUANGDONG) CO LTD +1