278results about How to "Has antioxidant activity" patented technology

The invention relates to a spirulina phatensis polysaccharide and an extraction method thereof. The extraction method comprises the following steps: after multigelation and wall breaking of a spirulina phatensis powder suspension, centrifuging to obtain a cell lysate 1 and cell debris; adding ammonium sulfate in the cell lysate 1 until the saturation is 50%, after salting-out precipitation, centrifuging to remove phycobiliprotein to obtain a supernatant, and evenly mixing the supernatant and the cell debris to obtain a cell lysate 2; obtaining a spirulina phatensis polysaccharide crude extract by using a hot water extraction method; adding the crude extract to an ethanol/ammonium sulfate aqueous two-phase system, and extracting to obtain a bottom-phase solution of spirulina phatensis polysaccharide with higher purity; after the bottom-phase solution is desalted by dialysis, eluting by using a Sephadex G-150 chromatographic column and a DEAE Sephadex A-50 anion exchange column to obtain a pure spirulina phatensis polysaccharide solution; and freeze-drying, thereby obtaining a pure spirulina phatensis polysaccharide finished product. The extraction method can be used for avoiding the traditional complicated protein removal operation steps, has low cost, high yield, and high purity and activity of polysaccharide, and is suitable for intermittent and large-scale production and processing.

The invention relates to a nutritious powder containing Andrias davidianus, and a production method thereof. The nutritious powder is prepared by mixing and processing coarse grain starch and a nutrient, the coarse grain starch comprises one or more of rice starch, corn starch, sweet potato starch, potato starch and soybean starch, the nutrient contains an Andrias davidianus nutrient, the Andrias davidianus nutrient comprises one or more of Andrias davidianus meat powder, Andrias davidianus protein powder, Andrias davidianus bone meal, Andrias davidianus internal organ powder, Andrias davidianus skin powder, Andrias davidianus secretion powder, Andrias davidianus blood powder and Andrias davidianus oil, and the weight ratio of the coarse grain starch to the Andrias davidianus nutrient is 100:0.1-40. The production method of the nutritious powder containing Andrias davidianus is different because of the difference of the coarse grain starch. The Andrias davidianus nutrient contained in the nutritious powder has comprehensive nutrient components, so the nutritious powder can promote the growth of children, improve the intelligence and memory, enhance the hematopoiesis and immunity functions, prevent cardiovascular and cerebrovascular diseases and cancers, maintain beauty and keep young.

The invention discloses an antioxidation active synthetic peptide and a purpose thereof. a polypeptide provided by the invention is any one of the following polypeptides 1) to 3): 1) a polypeptide shown by a sequence I in a sequence table; 2) a polypeptide shown by a sequence 2 in the sequence table; and 3) a polypeptide shown by a sequence 3 in the sequence table. According to the invention, it is proved by experiments that three polypeptides with antioxidation activity are synthesized; as the antioxidation peptide has the advantages of small molecular weight, high activity, easiness in artificial synthesis, low cost and so on, the antioxidation peptide can be widely applied to large-scale production in industries, such as foods, cosmetics, medicines and the like; and the antioxidation active synthetic peptide disclosed by the invention can be specifically used as an antioxidant in aspects, such as cosmetics, food healthcare products, animal feed additives, medicines and the like.

An extract of Rosa rugosa Thunb is disclosed, and contains rose extract (30%) which contains polyose (84.74%), protein (8.57%) and gallic acid derivative (6.69%). It plays such roles as suppressing erythrocyte haematolysis by 100% and peroxidization of tissue lipid by more than 90% and increasing the activity of antioxidant enzyme. It can be used to prepare antioxidant for preventing and treatingdiseases and increasing immunity.

Provided is a giant salamander nutritional noodle and a production method therefor. The giant salamander nutritional noodle is made from flour and nutrients. The nutrients contain giant salamander nutritional ingredients which comprise one or more of giant salamander meat powder, giant salamander protein powder, giant salamander bone powder, giant salamander internal organ powder, giant salamander skin powder, giant salamander secretion powder, giant salamander blood powder and giant salamander oil. The weight ratio of the giant salamander nutritional powder to the flour is 100: 0.1-45. The production method comprises steps: the flour and the nutritional ingredients are mixed, watered to be wet, compressed to form noodles, and dried. The giant salamander nutritional noodle can effectively solve the problem of unreasonable nutrition structure of noodles wherein only giant salamander protein powder is added. The giant salamander nutritional noodle can promote children's growth and development, enhance intelligence and memory, strengthen hematopoietic and immune functions, prevent cardiovascular and cerebrovascular diseases and cancers, maintain beauty, keep young or the like.

The invention discloses an ultrasonic-assisted extraction method for a polysaccharide extract and a pectin extract of okra. The method comprises the following steps: freeze-drying and pulverizing the okra to obtain a dried okra powder; conducting hot water extraction on the dried okra powder under ultrasonic assistance, collecting a liquid supernatant, namely an okra polysaccharide-pectin aqueous solution, after centrifuging; deproteinizing after concentrating the okra polysaccharide-pectin solution; leaving to stand after adding ethyl alcohol into the deproteinized okra polysaccharide-pectin aqueous solution, drying an upper layer to obtain the okra pectin extract, and freeze-drying after dialyzing a lower layer to obtain the okra polysaccharide extract. Through the method, the pectin extract and the okra polysaccharide extract are obtained at the same time, the used time is short, the energy consumption is low, the operation is simple, and the polysaccharide with the antioxidant activity and the high quality pectin are obtained.

The invention discloses a processing method for grape seed superfine powder reinforcement cookies and belongs to the technical field of food processing. The method comprises the following steps: performing superfine grinding on grape seeds to obtain superfine powder; adding the grape seed superfine powder into cookies through power mixing, flower extrusion molding, baking and cooling processes to obtain the grape seed superfine powder reinforcement cookies with antioxidant function activity and rich dietary fibers. Through the superfine grinding, the dietary fibers in the grape seeds have high processing applicability, good taste and brownish red-chocolate color, and patterns of a product are more attractive; wine grape skin residues serving as new food resources are finely and deeply developed, so that the comprehensive utilization rate of the grape skin residue resources is improved, the economical benefit is higher, and a processing technology is simple, and suitable for industrial production.

The invention discloses a method for producing giant salamander polypeptide powder liver protection capsules. The method comprises the following steps of: performing low-temperature drying, grinding, fat removal, controllable composite enzyme digestion, centrifugation, filtration, two-time membrane filtration, vacuum concentration, freeze drying and crushing on fresh giant salamander meat to obtain giant salamander polypeptide powder; encapsulating the giant salamander polypeptide powder, and packaging to obtain a finished product.

The invention discloses a compound antifreeze agent and application thereof and belongs to the field of food processing. The compound antifreeze agent in the formula comprises the following components in parts by weight: 2 to 8 parts of antifreeze polypeptide, 2.5 to 4.5 parts of trehalose and 0.2 to 0.5 part of polyphosphates. According to the compound antifreeze agent disclosed by the invention, the antifreeze polypeptide is taken as a main protecting agent and is combined and compounded with micromolecules to obtain a high-efficiency compound low-temperature protection formula; by using the high-efficiency compound low-temperature protection formula, the stability of minced fish products can be better kept in the low-temperature storage process of the minced fish products, the gel strength and the water holding capacity of surimi products are improved, and the protection can be provided for low-temperature storage and transportation of the surimi products; a preparation process of the antifreeze polypeptide is mature and simple and low in production cost, and is suitable for industrial production; in addition, the antifreeze polypeptide is high in low-temperature protection activity and sweetness-free, and can be used for keeping the flavor of the surimi products.

The invention discloses Lactobacillus plantarum SR9-3 with functions of reducing cholesterol and antioxidant activity. The Lactobacillus plantarum SR9-3 is characterized in that a lactic acid bacterium separated from traditional fermented sour meat of minority nationalities in Guizhou goes through an antioxidation test and is identified, and an identification result is that the lactic acid bacterium is Lactobacillus plantarum SR9-3, the Lactobacillus plantarum SR9-3 is preserved in CCTCC (china center for type culture collection) on September 26, 2016, and the preservation No. is CCTCC No: M 2016529. The Lactobacillus plantarum SR9-3 is a functional lactic acid bacterium and has good feature in the aspects of reducing cholesterol and antioxidant activity, the removal rate of cholesterol of an egg yolk source is 21.98%, and the removal rate of cholesterol in a culture medium with 1% of lecithin is 31.84%; in the aspect of antioxidation, the total reducing capacity is 24.62%, the eliminating ability of DPPH and the eliminating ability of OH are 46.32% and 257.92% respectively, and the anti-lipid peroxidation ability is 67.13%. The strain has potential in developing a probiotics strain and is applied in health-care food or fermented food.

The invention provides lactobacillus paracasei with antioxidant activity and application thereof, in particular to a new strain of lactobacillus paracasei NCU662. The preservation number is CGMCC 11886. The invention further relates to a composition containing the bacterial strain. The bacterial strain or the composition of the bacterial strain has certain antioxidant activity. Besides, the bacterial strain and the composition of the bacterial strain also have good gastrointestinal tract environment endurance and high adhesion performance and have a good inhibition function on gram-positive and gram-negative pathogenic bacteria. The bacterial strain can be a composition in a food mode and can be used for fermenting bulk fruits and vegetables to produce probiotics efficient fermented fruit and vegetable products, such as pickle, beverages and pulp, which are sour, fresh, delicious, rich in nutrition, strong in natural fruit and vegetable flavor and good in health-care function. No essence and flavor, pigment, acidulant, stabilizer, preservative or other food additives need to be added to the products, and all flavors are generated from probiotics fermented fruit and vegetable raw materials.

The invention discloses a preparation method of a purple sweet potato health drink. The preparation method comprises the following steps of: with purple sweet potatoes as a raw material, carrying out pretreatments, such as selecting, cleaning, peeling, slicing and pulping to obtain purple sweet potato pulp, carrying out enzymolysis, enzyme deactivation and centrifugation on the pulp to obtain purple sweet potato juice, then adding auxiliary materials, such as a sweetening agent, citric acid and a stabilizing agent to blend, filling and sterilizing to obtain the purple sweet potato health drink. The purple sweet potato health drink is palatable in scour and sweet mouthfeel, unique in flavor and rich in nutritions and has the health care functions of resisting oxidative activity and cancer, delaying senescence, strengthening physique, improving eyesight and the like. The purple sweet potato health drink does not contain harmful additives, is an environment-friendly health drink suitable for people of all ages, is wide in consumer group and has a wide market prospect.

The invention discloses a resveratrol dimer derivative containing a Combretastin A-4 structure and preparation and application methods thereof, belonging to the technical field of medical engineering. By analyzing and researching reported anti-tumor activity and structure-activity relationship related to resveratrol and a derivative of the resveratrol, a series of derivatives with novel structures formed by polymerization of Combretastin A-4 and the resveratrol can be obtained through design and preparation. Through preliminary anti-tumor pharmacological tests, the prepared new compound is confirmed to have broad-spectrum tumor inhibitory activity to cancer cells.

The invention relates to a method for separating and purifying polysaccharides from winter jujubes, which comprises the following steps: extracting primary crude polysaccharides from winter jujubes through water extraction and alcohol precipitation processes; carrying out deproteinization treatment on the primary crude polysaccharides through an enzyme-trichloroacetic acid process, and carrying out centrifugal separation to obtain primary supernatant liquid; adding activated carbon into the primary supernatant liquid to carry out decolorizing treatment to obtain secondary supernatant liquid; carrying out membrane filtration on the secondary supernatant liquid to obtain secondary crude polysaccharides; carrying out primary chromatography on the secondary crude polysaccharides on an ion exchange column to obtain polysaccharide DP1 crude products and polysaccharide DP2 crude products; and respectively carrying out secondary chromatography on the polysaccharide DP1 crude products and the polysaccharide DP2 crude products after primary chromatography on a gel chromatography column to obtain polysaccharide DP1 pure products and polysaccharide DP2 pure products. According to the invention, the winter jujube polysaccharides DP1 and DP2 obtained from the winter jujube polysaccharides separated and purified from the winter jujubes have certain antioxidant activity, the product purity is high, the energy consumption is low, and high-quality polysaccharides lay the foundation for better development and utilization in the fields of foods, health products, cosmetics and the like in the future.

The invention discloses a rubber plant translationally controlled tumor protein, an encoding gene thereof and an application of the rubber plant translationally controlled tumor protein. The translationally controlled tumor protein named HbTCTP (Hevea brasiliensis translationally controlled tumor protein) comes from Hevea brasiliensis which belongs to euphorbiaceae rubber category. The translationally controlled tumor protein is a protein (a) or a protein (b). The protein (a) is a protein which is composed of amino acid sequences showed in a second sequence of a sequence table. The protein (b) is a derivative protein, which is provided with antioxidant activity, of the second sequence by using one or more amino acid residues to substitute and/or delete and/or add the amino acid sequences. Experiments show that the rubber plant translationally controlled tumor protein can inhibit active oxygen cutting supercoiled plasmid DNA (deoxyribonucleic acid) generated by a metal catalytic oxidation system, so that the rubber plant translationally controlled tumor protein has antioxidant activity and can eliminate active oxygen in rubber plants.

The invention provides an L-carnitine composition, an L-carnitine preparation and a preparation method and application thereof. The composition can comprise L-carnitine or a salt thereof acceptable pharmaceutically, kreatine, branched-chain amino acid, glutamine and soybean peptide. The composition used for improving tolerance can increase the combustion of fat in a human body, effectively oxidize the fat in the human body and decompose the fat into energy, implements nutrition required by the human body, and improves the athletic ability.

The present invention provides a lactobacillus paracasei subsp. paracasei. The lactobacillus paracasei subsp. paracasei is deposited in the China General Microbiological Culture Collection Center andhas deposit number of CGMCC NO.17893. The lactobacillus paracasei subsp. paracasei has certain antioxidant capacity, can remove DPPH and hydroxyl radicals, also has good salt resistance, acid resistance, bile salt resistance, gastric juice resistance, intestinal juice resistance, and hydrophobicity, thus increases chances of playing a probiotic role, and can be used in fields of fermented feeds, fermented food, health-care food, etc.

The invention discloses a hyroxy-pyridone derivative with multiple biological activities. The hyroxy-pyridone derivative has any of the following general molecular formulas (please see the specifications), wherein in the general molecular formula 1, R refers to CH2C6H5 or CH3 or CH(CH3)2 or CH(CH3)CH2CH3 or CHCH2(CH3)2 or CH2CH2SCH3, and R' refers to an alkyl radical or a hydrocarbon oxygroup; in the general molecular formula 2, R and R' refer to CH2C6H5 or CH3 or CH(CH3)2 or CH(CH3)CH2CH3 or CHCH2(CH3)2 or CH2CH2SCH3. The invention further discloses a preparation method of the hyroxy-pyridone derivative. The hyroxy-pyridone derivative can be used as a tyrosinase inhibitor or used for retaining freshness of cosmetics or foods.

The invention discloses a pharmaceutical composition with antioxidanting and aging-delaying function and preparation method thereof. The pharmaceutical composition is made from rhodiola rosea, tocopherol and grape seed extract (proanthocyanidins content >=95%) according to a certain weight proportion; and it can be made into any common oral taken preparation form. The traditional Chinese medicine composition in the invention achieves the functions of antioxidanting and aging-delaying.

The invention relates to a pedicularis nbutanol extract product and pedicularis ethyl acetate extract product extracted from compactear pedicularis plants, or pedicularis lignan methyl Densispicoside A compound (1) obtained and separated from pedicularis nbutanol and stereoisomeride (+)-isolarisiresinol 3a-O-Beta-D-glucopyranoside compound (2). In the free radical eliminating activity research animal experiment, the pedicularis lignan compound provided by the invention shows that the pedicularis lignan methyl Densispicoside A, (+)-isolarisiresinol 3a-O-Beta -D-glucopyranoside, and the compactear pedicularis ethyl acetate and nbutanol extract adopting the compounds as activities also have strong oxidation resisting activity and sports fatigue resisting activity in vivo, and have a wide foreground by being utilized as active constituent in the development of new natural oxidation preventive and sports fatigue resisting medicine.

The invention discloses a method for extracting and purifying polysaccharides from orange peels. The method includes the steps of firstly, preparing crude orange peel polysaccharides; secondly, purifying the crude orange peel polysaccharides, to be more specific, performing activated carbon decoloration, and using a Sevag method to perform deproteinization. The method has the advantages that the high-purity polysaccharides are obtained from the orange peels through the simple and efficient experiment method, the prepared polysaccharides have a certain anti-oxidation activity and are high in purity and low in energy consumption, and the high-purity polysaccharides have a huge application value in fields such as medicine, healthcare products and food.

The invention discloses a new phenolic acid compound, i.e. danshinolic acid M extracted from salvia miltiorrhiza bungered sage roots, the compound also can be extracted from a salvia miltiorrhiza bungered sage root injection, and the invention simultaneously also discloses a method for extracting the new compound respectively from the salvia miltiorrhiza bungered sage roots and the salvia miltiorrhiza bungered sage root injection. Pharmacological studies indicate that the danshinolic acid M has myocardial preservation and oxidation resistant activity, thereby the compound has the prospect of being further developed into an effective medicament for curing treating cardiovascular diseases and can be used in the quality control standard of the salvia miltiorrhiza bunge red sage root injection.