1139 results about "Catechin" patented technology

A process for producing a purified product of green tea extract, which includes subjecting an aqueous solution of green tea extract to solid-liquid separation by filtration and / or centrifugal separation to obtain another aqueous solution of green tea extract, said another aqueous solution having a turbidity of from 0.2 to 2.0 as measured with a concentration of non-polymer catechins in it adjusted to 1 wt %, and then allowing the another aqueous solution of green tea extract to pass through a polymer membrane having a membrane pore size of from 0.05 to 0.8 μm such that the turbidity of the another aqueous solution of green tea extract is reduced to lower than 0.2 as measured with a concentration of non-polymer catechins in it adjusted to 1 wt %.

An oral composition for at least one or treating and inhibiting an oral inflammatory condition comprising: a Camellia extract including at least about 30% epigallocatechin gallate, at least about 50% total catechins, and at least about 60% total polyphenols; and a substantially water insoluble non-cationic anti-bacterial agent.

The invention discloses a method for processing fragrant black tea, comprising the following steps: (1) picking the raw materials of tea and airing the raw materials green; (2) airing the tea in the sun at 4-6pm; (3) cooling, rocking green and spreading and airing the tea; (4) rolling the tea after the green colors of the leaves fade away and the fragrance slightly smells; and (5) fermenting the rolled tea until the green color of the tea disappears, the fragrance smells and the leaves become tawny, then curing and spreading and airing the tea until the tea is dry enough. In the method, various types of fresh leaves are used as the raw materials and rich fragrance is gained by introducing part of the processes in oolong tea processing. By the processing method, esterified catechins in thetea are degraded, thereby reducing bitterness of the tea, and the finished tea has aromatic fragrance and pleasant taste through the steps of rolling, fermenting, curing, etc. The tea produced by themethod has no additive, conforms to the safe and healthy tea consumption trend and has broad market prospect.

The present invention provides one kind of viscose fiber with antibacterial and antifouling tea component, and the viscose fiber contains antiseptic comprising at least one of natural tea pigment, tea polyphenol and catechin. The powder or solution of at least one of natural tea pigment, tea polyphenol and catechin in the amount of 1-10 wt% is added into viscose spinning fluid to result in lasting antibacterial and antifouling functions. The viscose fiber has also the fragrance of tea, dyeing effect and no side effect on human body, and is suitable for use in making underwear, other costumes and bedding.

A composition is provided to treat and / or prevent for treating skin conditions including fine lines and wrinkles, acne rosacea, surface irregularities of the skin and hyper-pigmentation melasma of the skin, which includes use of a topically applied composition such as an ointment, lotion, cream, serum, gel or pad applied formulation, containing an effective amount of polyphenols, such as green tea based polyphenols, including but not limited to catechins, such as epigallocatechin gallate (EGCG), epigallocatechin (EGC), epicathechin 3-gallate (ECG) and epicatechin (EC). The formulation is preferably composed of 90 percent polyphenol isolates, derived from green tea with potent antioxidant properties, to assist in minimizing free-radical induced skin damage.

The present application describes a composition for blood glucose control containing green tea extracts (GTE) with gallated catechins (GC) and macromolecule to prevent the intestinal absorption of GC.

The present invention proposes formative agent of protein complex, in which a polyphenol is useful component, and the agent is useful as gene complex, cell adhesion inhibitor or immune tolerogen. The polyphenol of forming the agent is selected from catechin group consisting of epigallocatechin-gallate, tannic acids, or proanto-dianisidine, a protein of the protein complex is selected from proteins consisting of animal proteins composed of polypeptide chain of peptide-combined amino acids, vegetative proteins, nucleus proteins, glycogen proteins, lipo-proteins and metal proteins, the gene complex comprises by compositing genes by polyphenol catechins in order to introduce genes to cells of animals or human bodies, a cell composed of the cell adhesion inhibitor is selected from cells consisting of an animal cell including a stem cell, skin cell, mucosa cell, hepatocyte, islet cell, neural cell, cartilage cell, endothelial cell, epidermal cell, osteocyte or muscle cell isolated from human or animal organism, or sperm, ovum or fertilized egg of domestic animals or fishes and a tissue or an organ for transplantation of the immune tolerogen is selected from the tissue or the organ consisting of skin, blood vessel, cornea, kidney, heart, liver, umbilical cord, bowels, nerve, lung, placenta or pancreas.

A composition is provided to treat and / or prevent for treating skin conditions including fine lines and wrinkles, acne rosacea, surface irregularities of the skin and hyper-pigmentation melasma of the skin, which includes use of a topically applied composition such as an ointment, lotion, cream, serum, gel or pad applied formulation, containing an effective amount of polyphenols, such as green tea based polyphenols, including but not limited to catechins, such as epigallocatechin gallate (EGCG), epigallocatechin (EGC), epicathechin 3-gallate (ECG) and epicatechin (EC). The formulation is preferably composed of 90 percent polyphenol isolates, derived from green tea with potent antioxidant properties, to assist in minimizing free-radical induced skin damage.

A dietary supplement system includes a dietary supplement composition for oral administration by an individual in the morning, the composition, including (a) a telomere maintenance complex including: Purslane extract (aerial parts); Turmeric rhizome extract (95% curcuminoids); Quercetin dehydrate, Cayenne pepper fruit; Vanadium (as vanadyl sulfate); Fenugreek seed; Astragalus root extract, Omega fatty acid complex including linoleic acid; alpha-linolenic acid; oleic acid borage seed oil gamma-linolenic acid), evening primrose oil fish body oil (eicosapentaenoic acid; docosahexaenoic acid); (b) a calorie restriction mimetics and gene expression complex including Trans-resveratrol (from Polygonum cuspidatum root extract); Pterostilbene Fisetin 50% (Buxus microphlla Sieb (stem and leaf; Alpha lipoic acid, Coenzyme Q-10, Betaine HCl, Sulfur (from methylsulfonylmethane); L-Carnitine tartrate; L-Carnitine HCl, and (c) a free radical scavenger complex, including Green tea leaf extract catechin and polyphenols); Anthocyanins (from bilberry fruit and grape skin extracts).

The invention relates to a fermented tea. Accounting by the dry weight of the tea, the content of the tea polyphenol of the tea is less than 19 percent, and the total content of the catechin ECG and EGCG is less than 5 percent, and the content of the abrownins is relatively low. The manufacturing method of the fermented tea can be used for producing tea drink or mixed tea.

A palatable green leaf tea from Camellia sinensis var. assamica is disclosed. Infusion of 2 g of the leaf tea in 200 ml water for 1.5 minutes at 90° C. produces a beverage comprising catechins in an amount of between 0.01 and 0.1% by weight of the beverage. Also disclosed is a process for manufacturing the leaf tea product wherein fresh leaf from var. assamica is macerated using a combination of a rotorvane and double-cone processor.

The invention discloses a method for preparing low-caffeine high-tea polyphenol tea powder, which comprises the following steps of: extracting and roughly filtering tea leaves, centrifuging filtrate subjected to rough filtration at an ultrahigh speed, adsorbing centrifugate by using macroporous resin, performing graded elution by using aqueous solution of ethanol to separate caffeine from tea polyphenols, concentrating tea polyphenol eluent and drying concentrate. The tea polyphenol content of the low-caffeine high-tea polyphenol tea powder prepared by the method is more than or equal to 85 percent, wherein the catechin content is more than or equal to 60 percent, the EGCG content is more than or equal to 35 percent and the caffeine content is less than or equal to 1 percent. The method has the advantages of simple process, high extraction ratio, low cost and high product quality and safety; and the low-caffeine high-tea polyphenol tea powder prepared by the method can be used for preparing health-care food or cosmetic.

Provided is a tire rubber composition blended with an antioxidant that is derived from a raw material other than petroleum resources, the tire rubber composition being capable of achieving an oxidation resistance equal to or higher than a conventional level and of improving forming processability and a low hysteresis loss property. The tire rubber composition includes a blend of: 100 parts by weight of a diene rubber; 5 to 130 parts by weight of an inorganic filler; and 0.01 to 10 parts by weight of a tea extract containing a catechin.

To provide a packaged high-catechin beverage in which a low-caffeine green tea extract is added. A packaged beverage containing from 0.03 to 1.0 wt % of non-polymer catechins, in which a low-caffeine green tea extract obtained by a method of brining a green tea extract into contact with a 91 / 9 to 97 / 3 by weight mixture of an organic solvent and water, activated carbon, and acid clay or activated clay is added.

About 0.001 to 1 part by weight of a phenol component (B1) and / or about 0.001 to 10 parts by weight of an amino acid (B2) are added relative to 100 parts by weight of a polyacetal resin (A) to prepare a polyacetal resin composition. The phenol component (B1) may be a novolak phenol-series resin, a phenol aralkyl-series resin, a polyvinyl phenol-series resin, a polyhydric phenol, a polyphenol, a catechin compound, or a lignin. The amino acid (B2) may be an α-amino acid, a β-amino acid, a γ-amino acid, a δ-amino acid, or a derivative of an amino acid. The polyacetal resin composition may further contain an antioxidant, a heat stabilizer, a processing stabilizer, a weather (light)-resistant stabilizer, or a coloring agent. The polyacetal resin composition ensures marked inhibition of formaldehyde emission.

A weight-loss supplement comprising a satiety-promoting ingredient that includes a mixture of dietary fibers comprising glucomannan and a gum and; a thermogenic ingredient selected from the group consisting of caffeine, catechin-polyphenol and combinations thereof.

Provided are packaged, tea-based beverages, which stably contain catechins at high concentration, are free of any salty taste, and have the inherent flavor and taste of tea. They contain the following ingredients (A) and (B):(A) from 320 mg / 500 mL to 1,300 mg / 500 mL of non-polymer catechins, and(B) water, wherein:(C) the content of non-epicatechins in the non-polymer catechins is from 40 to 80 wt. %,(D) the content of gallates in the non-polymer catechins is from 35 to 100 wt. %,(E) the weight ratio of the non-polymer catechins to sodium ions is from 12 to 16, and(F) the pH is from 5 to 7.

The invention relates to a plant active component composition with slow anti-allergic action. The plant active component composition is mainly prepared from natural plant active components: 0.1-5wt% of glycyrrhetinic acid, 0.05-1wt% of apigenin, 0.05-1% of table gallic catechin gallic acid ester, 0.1-3wt% of asiaticoside, 0.1-5wt% of baicalin and 0.1-10wt% of fucus serratus extract. The composition is used for preparing cosmetics or personal care products with a plurality of effects of resisting skin allergy, diminishing inflammation, relieving itching, resisting oxidation, moisturizing and the like. The composition is safe and free of toxic and side effects, and can be compounded with a plurality of components, sensitive skin and dry skin are effectively improved, and the barrier function of the skin is reinforced.

A consumable composition with antioxidants is described. The consumable composition comprises theaflavin, thearubigin and catechin and has good taste and appearance characteristics. The consumable composition can be black tea having green tea catechins as additives.

A synergistic flame retardant composition comprising a phenolic compound comprising condensed tannin, hydrolysable tannin, lignin, cardanol, quercetin, catechin, epicatechin, anthocyanidin, catechol, dopamine, hydroxytyrosol, adrenaline, 4-hydroxyphenylacetic acid, gallic acid, digallic acid, methyl gallate, ellagic acid, phloroglucinol, hexahydroxydiphenic acid, luteic acid, casuarictin, or a combination thereof; and a phosphorus-containing compound comprising a C5-7 carbocyclic polyol substituted with at least one phosphate group.

Provided is a packaged beverage comprising the following ingredients (A) and (B):(A) non-polymer catechins in an amount of from 0.092 to 0.5 g / 100 mL beverage,(B) an alcoholic precipitate in an amount of 0.015 g / 100 mL beverage or less in terms of the amount of magnesium, at a weight ratio (A) / (B) ranging from 30 / 1 to 50000 / 1. The packaged beverage of the present invention is the best suited beverage for health promotion, because drinking of it permits transfer of a large amount of catechins to the blood form the beverage and their absorption in the body is excellent.

The disclosed item is a composition comprising catechins and sialic acid to provide an effective prevention and treatment for Helicobacter Pylori infection. This composition inhibits growth of Helicobacter pylori, and can increase the antioxidant activity of gastric mucosal cells through reducing the production of O2.−, H2O2 and NO, and decreasing the expression of inducible nitric oxide synthase (iNOS) in cells. The apoptotic damage of stomach caused by Helicobacter pylori was decreased through up-regulation of autophagy to enhance the defensive ability of gastric epithelial cells toward Helicobacter pylori. Therefore the composition can be used in the treatment or prevention on damages caused by Helicobacter pylori infection.

The present invention relates to the production of malic polyphenol as one polyphenol mixture with apple peel slag. Apple peel pomace is used as material in extracting malic polyphenol mixture through the technological processes of extraction, adsorption, separation, spray drying or decompression drying. The malic polyphenol mixture consists of catechin, epicatechin, phloretin and proanthocyanin,has several physiological activity and may be used in antioxidant, antimutagent and anomalism resisting medicine. Using apple peel pomace to replace apple in producing malic polyphenol can reduce production cost.

The invention discloses a tea extract containing theanine and catechin, in which, the theanine content is 3-4wt% of the tea extract by dry weight. The invention further discloses the preparation method: lixiviating the tea and / or crushed tea stems by the water of 0-70 degrees centigrade; filtering by centrifugation; filtering by organic membrane; and filtering by the Dalton ultra-filter with molecular weight retaining range of 1000-5000; concentrating by counter permeable membrane; where, all the filtering and concentrating by counter permeable membrane are under the temperature of 10-35 degrees centigrade; degerming, and obtaining concentrated juice state tea extract; and further drying to obtain tea powder state tea extract. The tea extract of the present invention has substantial health caring effects of enhancing immunity, soothing nerves, restoring consciousness and improving attentiveness and memory; and achieves the advantages of good cold water dissolvability, clear tea water,fresh taste and fragrant smell. The preparation of the invention can use tea stems as raw material, uses resource effectively, reduces cost, has simple processes, low energy consumption and no pollution.

The invention provides compositions and methods of treating an ocular condition by administering to an eye of a patient having an ocular condition an effective amount of a catechin or polyphenol. The compositions and methods can be used to treat ocular conditions such as ocular infection, ocular inflammation, ocular cancer or benign eye tumors.

The invention belongs to the historical relic protection and repair technical field, in particular relates to an antibacterial solidifying agent of excavated bamboo and wood ware. The invention is characterized in that the solidifying agent comprises the following components in parts by weight: 4-100 parts of oligomeric chitosan, 20-200 parts of catechin, 600-1300 parts of polyethylene glycol, 850 parts of water and 150 parts of ethanol. The invention researches the fundamental substances of bamboo and wood and the structure and properties of inclusions, selects oligomeric chitosan of which structure is similar to the basic structural unit of cellulose and the polyphenol substance catechin existing in plants and provides a solidifying agent with natural antibacterial substances for excavated bamboo and wood ware. The solidifying agent maintains the solidifying effect of PEG, has bacteriostasis and antibacterial effect, is environmentally friendly and belongs to the green and environmentally friendly antibacterial solidifying agent.

The present invention provides a method for the preparation of a myceliated cacao bean or other agricultural product. This method includes providing cacao beans or other agricultural substrate, optionally hydrating the cacao beans or other agricultural product, and optionally pasteurizing or sterilizing the cacao beans or other agricultural substrate to provide prepared cacao beans or other agricultural substrate, and a step of inoculating the prepared cacao beans or other agricultural substrate with a prepared fungal component and culturing the inoculated cacao beans or other agricultural substrate to prepare the myceliated product. The methods of the instant invention result in prepared cacao beans or other agricultural substrate having reduced levels of undesirable taste components, such as theobromine, catechin, epicatechin, gallic acid equivalents, and / or 2-methoxy-3-isopropylpyrazine, and increased levels of myceliation products, such as fungal β-glucans, chitin, proteins, glycoproteins, pyrazines and polysaccharides, relative to starting cacao beans or other agricultural substrate.

The invention provides a processing method of high catechin beverage with low biter taste and belongs to the processing field of food. The processing method comprises the following steps of: 1) taking green broken tea, extracting three times continuously with water so as to obtain an extract liquid I, an extract liquid II and an extract liquid III; 2) coarsely filtering the extract liquid I, the extract liquid II and the liquid III so as to remove tea leaves; 3) respectively processing the extract liquid II and the extract liquid III by use of tannase so as to obtain the corresponding enzymolysis liquid I and enzymolysis liquid II; 4) mixing the extract liquid I, the enzymolysis liquid I and the enzymolysis liquid II to obtain a tea mixed liquid; 5) performing film separation process on the tea mixed liquid so as to obtain clarified tea water; 6) adding VcNa and cyclodextrin into the clarified tea water for mixing so as to obtain the tea beverage; and 7) filtering, sterilizing and bulking the tea beverage to obtain finished products. The tea beverage obtained by the processing method is a green-yellow tea beverage, wherein the content of catechin is more than or equal to 800mg / l; and the tea beverage belongs to a functional tea beverage with pure taste and crisp mouth feel and without obvious bitter taste.

The invention discloses a method for preparing total flavonoids of hovenia acerba. The method adopts one optional method of the solvent extraction method, the solvent extraction method, the macro-porous resin adsorption method, the liquid-liquid countercurrent distribution chromatography, the supercritical fluid extraction method or the column chromatography, or the free combination of the methods. The total flavonoids of hovenia acerba is prepared from any one part of hovenia acerba, such as fruit stems, fruits, seeds, seed-cases, roots, stems, leaves, flowers, branches, skins, skin and fruit residues, etc., and the combination thereof. The prepared total flavonoids is a combination of various flavonoid active components, wherein the total flavonoids comprises the main active components as follows: quercetin, kaempferol, (+)-dihydromyricetin, myricetin, north hovenia acerba alcohol, (+)-pyrocatechin, hovenia acerba I, hovenia acerba II, hovenia acerba III and the derivates thereof; the total percentage composition of various flavonoid components by the weight is 5% to 100%; and the preparation method is applicable to pharmaceutical industry, food industry, cosmetic industry and health-care product industry.

A functional material of the present invention is characterized in that it has: a loading component selected from functional components comprising the group consisting of catechins, vitamins, tannins, natural moisturizing factors and essential oils being derived from plants; and a functional ingredient being constituted of an organic polymer material in which the loading component is loaded on the surface or in the inside thereof, and which is a fine particle; and it exhibits dispersibility with respect to linseed oil. Since the functional material comprising the functional ingredient with the functional component loaded exhibits high dispersibility with respect to the oil, it turns out that it is possible to provide a functional material which exhibits good properties as fragrant cosmetics of good stability. In particular, a function material prepared by means of a spray-drying method is preferable.