55results about How to "Anti-free radical" patented technology

The invention provides a ganoderma lucidum mycelia powder production process which comprises the following steps of: (1) making grain culture mediums; (2) preparing liquid strains; (3) inoculating the grain culture mediums; (4) sending bottles with inoculated strains into a mycelia growth room; (5) sending the bottles into a bottle digging workshop after the bottles of culture mediums are full of mycelia and digging the mycelia out of the bottles; (7) drying the mycelia in a hot air dryer; (7) grinding the dried corn mycelia, wheat mycelia and soybean mycelia into coarse powder in a proportion of 58-62%: 34-36%: 4-6%; (8) placing the ground coarse powder into a mixing agitator, adding water to agitate evenly and puffing after the water content is up to 10%, wherein the puffing temperature is controlled within 109-111 DEG C; and (9) sending the puffed granular mycelia into an ultra-micro grinder to grind into 150-mesh powder, and packing to obtain finished products. The ganoderma lucidum mycelia powder produced by the method is good in taste and easy to digest and has the advantages of adjusting the immunity and improving the anti-hypoxia capability of organisms.

The invention discloses a dragon fruit yogurt and a manufacturing method thereof. The dragon fruit yogurt is prepared from the following raw materials in parts by weight: 40-60 parts of dragon fruit, 20-30 parts of tuckahoe, 200-300 parts of milk, 20-30 parts of zymocyte, 25-30 parts of white granulated sugar, 5-8 parts of a stabilizer, and 10-15 parts of honey. The dragon fruit yogurt disclosed by the invention is prepared from the processed dragon fruit with peel and the tuckahoe which are used as main raw materials, so that the fresh flavor and the rich nutrition of the dragon fruit can be kept; the dragon fruit yogurt is special in taste, green, healthy, and capable of maintaining beauty, keeping young, invigorating the spleen and soothing the nerves, so as to enable a user to be joyful in the body and mind.

The invention discloses a composition for anticorrosion of cosmetics. The composition is characterized by consisting of the following components in percentage by weight: 5-20% of p-hydroxy phenyl ethyl ketone, 15-30% of 1,2-hexanediol and 20-40% of a traditional Chinese medicine composition which is prepared by extracting and refining honeysuckles, radix scutellariae and radix glycyrrhizae. A preparation method for the composition comprises the following steps: mixing p-hydroxy phenyl ethyl ketone, 1,2- hexanediol and the traditional Chinese medicine composition, and stirring for uniformly dissolving, thereby obtaining the composition. The composition disclosed by the invention has a good anti-corrosion effect and is free of arm on the body skin as the adopted raw materials are safe and no-stimulation compounds, so that the defect that the harm of the existing preservative on the body skin is great is overcome. Besides, the p-hydroxy phenyl ethyl ketone in the composition has a good anti-sensitive and free-radical-resistant effect, and the 1,2- hexanediol further has a good moisturizing effect, and therefore, the traditional Chinese medicine further has the effects of resisting free radical and whitening skin.

The invention relates to the field of cosmetics, in particular to milk-white or slightly blue-light toning lotion. The milk-white or slightly blue-light toning lotion provided by the invention comprises a matrix of a water agent, a phase transition temperature (PIT) emulsifying body and auxiliary materials. The toning lotion provided by the invention can increase the water content of skin and has a moisturizing property which is more excellent than that of oil-free transparent toning lotion.

The invention discloses an oral preparation of ginkgo leaf total flavonoid aglycone, a preparation method and an application thereof, pertaining to the field of traditional Chinese medicine. Total flavonoid glycosides extracted from ginkgo leaves are hydrolyzed to obtain ginkgo leaf total flavonoid aglycone which is then added with special auxiliary materials for preparing a highly efficient preparation, thereby greatly increasing the bioavailability of the ginkgo leaf total flavonoid aglycone. The preparation has significant curative effects in the treatment of coronary disease, hyperpiesis, cerebral thrombosis, cerebral infarction, apoplexy, dizziness, psychosis, nephritis, bronchitis, Parkinson's disease, diabetes, tumor, leukemia and other diseases.

The invention discloses a dragon fruit jam production process. The dragon fruit jam production process comprises steps as follows: a) careful selection, b) cleaning, c) pulp taking, d) jam preparation, e) canning and f) sterilization. Compared with the prior art, the dragon fruit jam production process has the characteristics that dragon fruit jam has rich nutrition, good taste, simple production and good health care function on human bodies, the benefits of related jam processing manufacturers can be improved, ever-increasing demands of vast consumers are met, and the dragon fruit jam production process has higher economic benefits and social benefits.

The invention discloses a composition containing corn kernel extract and application of the composition containing the corn kernel extract, belongs to the technical field of cosmetics and aims to provide a composition which is capable of effectively reducing pollutant attachment, improving a natural barrier function and anti-irritation ability of the skin, removing free radicals and enhancing an antioxidant defense system while supplementing moisture and energy to the skin and effectively resisting skin allergy, aging and other problems caused by pollutants outside. The composition is mainly prepared from, by weight, 8-30 parts of corn kernel extract, 5-25 parts of moringa pterygosperma seed extract, 5-15 parts of bonamite extract, 5-10 parts of Chondrus crispus extract and 5-15 parts of Boldo leaf extract. The invention further relates to the application of the composition as an additive of anti-pollution skin care products.

The invention relates to a maca health-preserving wine which is prepared from the following raw materials in parts by weight: 60-80 parts of maca and 20-40 parts of Polygonatum sibiricum. The maca wine can enhance the immunity of the organisms; the compounding of the maca and Polygonatum sibiricum can lower the influence of the mustard oil glycoside substances in the maca; and the maca wine has favorable mouthfeel, is capable of enhancing the drug effect, regulating the hormone level of the organisms, activating procreation, regulating the blood fat and blood pressure and assisting in digestion, has certain regulating effects on climacteric syndrome and aging of women, and is suitable for long-term drinking.

The invention provides a production process of ganoderma mycelium powder. The production process comprises the preparation of a grain culture medium, wherein the fabrication of the grain culture medium comprises the following steps: (1) cleaning the selected high-quality maize, wheat, chickpea, peas and black buckwheat, respectively putting the cleaned raw materials into a digester, controlling the temperature to be 100+ / -2 DEG C and controlling the pressure to be 0.05MPa, and respectively boiling the maize for 60-80 minutes, the wheat for 15-20 minutes, the chickpea for 35 minutes, the peas for 35 minutes and the black buckwheat for 10 minutes; (2) evenly stirring the raw materials by virtue of an automatic bottle filling machine after digesting, and putting the stirred raw materials into bottles, and sterilizing in a sterilizing tank, wherein the mixture comprises 50% of maize, 15% of wheat, 15% of chickpea, 10% peas and 10% of black buckwheat; and the weight of each bottle is about 1kg; and (3) when the sterilizing pressure is reduced to zero and the temperature is reduced to 80-90 DEG C, feeding to a forcible cooling room to cool, and when the temperature is reduced to 28 DEG C, feeding to a sterile inoculation chamber to inoculate. The ganoderma mycelium powder produced by the process is suitable for being eaten by all people, and is free of a toxic or side effect.

The invention discloses a cordyceps and sea cucumber polypeptide tableted candy with effects of tonifying the kidney and producing germs. The cordyceps and sea cucumber polypeptide tableted candy is prepared from the following components in percentage by weight: 35 to 50% of cordyceps polypeptide compound, 10 to 15% of sea cucumber polypeptide, 15 to 20% of rhizoma polygonati, 10 to 16% of oysterpeptide, 10 to 16% of fructus lycii, and the balance of medical or food health-care auxiliary materials. The cordyceps and sea cucumber polypeptide tableted candy has the advantages that by utilizingthe specialty of the cordyceps polypeptide compound, the effects of the sea cucumber polypeptide, the rhizoma polygonati, the oyster peptide and the fructus lycii can be further enhanced; by reasonably compounding the components, the functions of nourishing Yin and tonifying the kidney, and producing germs are realized, and the purpose of enhancing the kidney function of the human body is realized; by adopting the raw materials with homology of medicine and food, the safety level is highest, namely that the food raw materials can be reasonably compounded without limiting the usage amounts; theeffects and safety are simultaneously realized, any side effect is avoided, and the dose extreme is avoided.

The invention relates to a method for preparing preservative-free mesembryanthemum crystallinum extract from lyophilized mesembryanthemum crystallinum powder. The method comprises steps as follows: H1, raw material selection; H2, equipment cleaning; H3, freeze drying; H4, superfine grinding; H5, irradiation sterilization H6, ultrasonic extraction; H7, centrifugal impurity removal; H8, micro-pore filtration sterilization. The method is characterized in that: the technology is simple, hydroponic mesembryanthemum crystallinum planted in a plant factory is selected as a raw material, so that highquality of the extract is guaranteed, effective active ingredients of the mesembryanthemum crystallinum are completely reserved with a low-temperature cryodesiccation based powder preparation technology and an ultrasonic enhanced extraction technology, the prepared mesembryanthemum crystallinum extract contains no preservatives, and furthermore, the mesembryanthemum crystallinum extract is rich innutritional ingredients such as mineral substances, amino acids, inositol, beta-carotene, vitamins and the like, has whitening, freckle-removing, moisturizing, anti-allergic repairing and anti-agingeffects and the like, and can be used for preparing high-end cosmetics with moisturizing, soothing, whitening, freckle-removing, anti-allergic repairing, compacting and anti-aging functions and the like, and considerable economic benefit is produced.

The invention provides a production method of pitaya and grape composite fruit vine. The production method comprises the following steps of (1) preparation: preparing the pitaya, the grape and crystal sugar at a weight ratio of 3.6 to 4.2: 2.0 to 2.5: 1; (2) washing the grape with clean water, then drying the washed grape, washing the grape with cold boiled water, drying the grape, placing the grape and the crystal sugar into a wine jar, sealing the wine jar, and placing the wine jar in a shade place to enable the grape to be fermented for 3 to 5 days; (3) washing the pitaya with clean water, drying the pitaya, washing the pitaya with cold boiled water, drying the pitaya, peeling the pitaya, and cutting the pitaya into slices; (4) placing the sliced pitaya and the crystal sugar into the wine jar, placing an appropriate amount of lemon on the topmost surface, sealing the wine jar, and enabling the sliced pitaya and the grape to be fermented for 150 to 180 days; (5) separating the juice and the slag, and filtering the wine; and (6) bottling the wine. The production method is simple, feasible and low in cost, the original flavor of the pitaya and the grape can be maintained, and the produced wine is mellow, sweet and tasty and has high nutritive healthcare value; and moreover, the produced wine dose not contain any chemical composition, so that the safety and healthy requirement in eating of people can be met.

The invention provides a tannic acid-epoxy silane coupled compound and a preparation method thereof. The method comprises the following steps of: (1), dissolving tannic acid and trihydroxymethyl aminomethane in a solvent; (2), adding gamma-glycidyl ether oxypropyl triethoxysilane (KH561) into the solution obtained in the step (1); and (3), heating and stirring the mixed solution obtained in the step (2), so that homogeneous solution is obtained, and then, obtaining the tannic acid-epoxy silane coupled compound by refrigeration. The method in the invention is low in raw material cost, simple, convenient and green in preparation process and free from metal ion; and the obtained product has the antibacterial property, the oxidation resistance property, the free radical resistance property andthe like, has a special aroma similar to red wine, and has good adhesion capacity to skin and other materials.

The invention discloses a codonopsis pilosula extractive capable of eliminating nitrite and a preparation method. The preparation method disclosed by the invention comprises the following steps of: crushing codonopsis pilosula, preparing ethanol leaching liquor, centrifuging supernate, distilling ethanol in a grading manner, and preparing and using hydrosolvent. The codonopsis pilosula extractive disclosed by the invention comes from natural raw materials; furthermore, codonopsis pilosula also has excellent antioxidation and immunological enhancement; and the codonopsis pilosula extractive has the advantages of being simple in operation process, short in production time, free from any additive and applicable to production and popularization.

The invention discloses a Chinese lantern-plant tea. According to the Chinese lantern-plant tea, persistent calyx of the Chinese lantern-plant is taken as a main raw material, and the Chinese lantern-plant tea is prepared by the following process steps: pretreating the raw materials, removing green, twisting, drying, performing secondary twisting, seasoning, airing, baking, freezing and sterilizing. The Chinese lantern-plant tea is convenient to make and easy to preserve and transport, the bitterness of the persistent calyx of the Chinese lantern-plant is reduced through the making tea water of the Chinese lantern-plant tea, and the Chinese lantern-plant tea has the characteristics of sweet and mellow mouthfeel and bright-colored tea water, is suitable for being drunk for a long time and has the health effects of reducing fever and causing diuresis, removing lung poison, resisting radicals and improving the immunity.

The invention discloses dragon fruit juice ice. The dragon fruit juice ice is prepared with the following raw materials by weight: 40-50 parts of dragon fruit fresh pulp, 10-15 parts of condensed milk, 5-10 parts of black sesame, 5-8 parts of sugar, 40-50 parts of ice cube, and 5-6 parts of water. The dragon fruit comprises vegetable albumin and anthocyanin which are scarce in ordinary plants, rich vitamins and water-soluble dietary fiber, so that the dragon fruit juice ice is rich in nutrition and unique in function. The dragon fruit juice is mixed with the ice cube, so that the summer-heat relieving effect is good after drinking.

The invention relates to the technical field of traditional Chinese medicine health-care products and in particular relates to an antioxidant and free radical resisting health preservation and care product and a preparation method thereof. The antioxidant and free radical resisting health preservation and care product is characterized by being prepared from the following components in parts by weight: 5.0 to 40 parts of B-carotene, 2.0 to 20 parts of lutein, 2.0 to 20.0 parts of coenzyme Q10, 5.0 to 30.0 parts of procyanidine, 10.0 to 50 parts of poria cocos, 5.0 to 40 parts of tea polyphenol, 5.0 to 40 parts of VC (Vitamin C), 2.0 to 20 parts of astaxanthin, 0.01 to 0.03 part of selenium element, 8.0 to 35.0 parts of seabuckthorn fruit, 6.0 to 25 parts of ginkgo leaf PE and 2.0 to 15.0 parts of resveratrol. The antioxidant and free radical resisting health preservation and care product has the advantages of resisting oxidation, resisting free radical, enhancing immunity, accelerating rehabilitation of a sick body, protecting internal organs and the like.

The invention discloses an antibacterial deodorizing agent for a refrigerator and a preparation method thereof and relates to the technical field of the deodorizing agents. The antibacterial deodorizing agent is prepared from the following raw materials in parts by weight: 24-26 parts of herba lythri salicariae extract, 20-22 parts of honeysuckle flower extract, 13-16 parts of eucalyptus leaves oil, 4-6 parts of lauramidopropyl betaine, 4-6 parts of modified shell powder, 1-2 parts of potassium sorbate, 1-2 parts of humectant, 0.2-0.5 part of preservative, 45-50 parts of porous-type carrier and deionized water. The preparation method comprises the steps of preparing solvent components and the like. The antibacterial deodorizing agent disclosed by the invention is environment-friendly and safe, has no irritation, is fresh in odor, can realize lasting bacteriostasis and has a certain cleaning action.

The invention relates to a key preparation method of yellow peach-chocolate brulee. The prepared yellow peach-chocolate brulee has beautiful appearance, refreshing and fragrant aroma of chocolate and orange and mellow taste and is crispy, soft and delicious with outstanding characteristics; and through organic matching of chocolate and yellow peach and pudding and brulee, the finished product has the advantage of rich and balanced nutrients. The technology is easy to operate, the processing conditions are convenient to control, and large-scale production is realized.

The invention discloses a method for preparing scented tea by using pigments extracted from natural crops and belongs to the technical field of drink formulae or preparation methods, in particular to a method for preparing scented tea. The method comprises: extracting pigments from edible flowers, fruits and natural purple sweet potatoes; and combining the pigments to form a formula and making drinks. With rich pigment extracted from the purple sweet potatoes, the color of the drinks changes from rose red to pink to light pink and purple and the like with the increase of the brewing times. The unique scented tea color is derived from the pigment of the purple sweet potatoes, and this is the core value. Pure purple sweet potato pigment has the functions of resisting cancer and oxidization,improving the elasticity of blood vessels, improving micro circulation, improving skin smoothness, inhibiting inflammation and allergy, improving joint flexibility and the like.

The invention discloses a compound ganoderma lucidum health-preserving tea which comprises sessile ganoderma lucidum powder, Ganoderma applanatum(pers)pat powder, Coriolus versicolor powder, a mulberry phellinus igniarius extract, Fuscoporia punctata powder and Inonotus obliquus powder. The invention also discloses a preparation method of the compound ganoderma lucidum health-preserving tea. Multiple mushrooms are adopted, thereby eliminating the in-vivo toxins and regulating the metabolic balance. The health-preserving tea has the effects of resisting free radicals, resisting oxidation and enhancing the immunity of organisms. All the components supplement each other, thereby achieving the optimal effects of treating diseases, prolonging the lifetime and preserving health.

The invention discloses a lotus root, rhizoma dioscoreae and pueraria lobata chocolate and a preparation method. The lotus root, rhizoma dioscoreae and pueraria lobata chocolate comprises lotus root powder, rhizoma dioscoreae powder, pueraria lobata powder, wheatmeal, white granulated sugar and other raw materials at a certain percentage. The preparation method comprises the following steps: (1) mixing the raw materials at a certain ratio, adding water, agitating, inputting the uniformly agitated size into a rolling scratch board drier to dry into slices, and rotating and mashing at a slow speed to obtain lotus root, rhizoma dioscoreae and pueraria lobata crisp chips; (2) heating and melting cocoa butter; (3) adding the lotus root, rhizoma dioscoreae and pueraria lobata crisp chips to the melted cocoa butter, and mixing; (4) moulding the mixed lotus root, rhizoma dioscoreae and pueraria lobata chocolate size; (5) cooling and hardening; (6) releasing the hardened lotus root, rhizoma dioscoreae and pueraria lobata chocolate from a mould; and (7) metering and packing the lotus root, rhizoma dioscoreae and pueraria lobata chocolate. The lotus root, rhizoma dioscoreae and pueraria lobata chocolate is rational in a formula and convenient in operation, has the effects of fighting free radicals, resisting oxidation, resisting aging, resisting tumor, strengthening spleen and replenishing stomach, aiding digestion, nourishing kidney and boosting essence, replenishing lung and relieving cough, lowering blood sugar and preventing cardiovascular disease.

The invention discloses an anti-aging medical biological repair dressing containing traditional Chinese medicines and a preparation method of the anti-aging medical biological repair dressing. The anti-aging medical biological repair dressing is prepared from ganoderma lucidum, poria cocos, mulberry leaves, common perilla, ginkgo seeds, tribulus terrestris, bletilla striata and white chrysanthemum, a traditional Chinese medicine mixed concentrated solution is prepared from the traditional Chinese medicines, the traditional Chinese medicine mixed concentrated solution and other ingredients areadded into a sodium hyaluronate mixture to prepare a transparent solution, the transparent solution is homogenized to be even, cooled to 38 DEG C and subjected to still standing till the solution is completely swelled, and then the whitening medical biological repair dressing containing the traditional Chinese medicines is obtained. The anti-aging medical biological repair dressing containing thetraditional Chinese medicines has three effects of professional biological whitening, skin repairing and moisturizing, a formula is simplified and effective, the component effect and the action mechanism are clear, pertinence and speciality are high, safety is high, and the blank of a special medical-grade anti-aging medical biological repair dressing product is filled.

The present invention discloses alcoholism-dispelling and liver-protecting Chinese caterpillar fungus oligopeptide tableting candy. The tableting candy comprises the following components in parts by weight: 25-35 parts of Chinese caterpillar fungus polysaccharide compounds, 15-25 parts of kudzuvine root, 8-12 parts of Chinese yams, 14-18 parts of corn oligopeptide, 10-14 parts of Chinese wolfberryfruits, 16-20 parts of albumin peptide and the balance medical or food health-care accessory materials. The particularity of the Chinese caterpillar fungus polysaccharide compounds realizes the further enhancement of the functions of the albumin peptide, kudzuvine root powder, Chinese yams, corn oligopeptide and Chinese wolfberry fruits. The various ingredients are reasonably combined to realizethe purposes of accelerating alcohol metabolism, protecting liver and preventing liver damage. Moreover, the medicinally and edibly homologous raw materials are used; the food raw materials having thehighest safety level and not limited in use amount are reasonably combined; and the tableting candy has effects and safety, and is free of side effects and dose limiting value.

The invention discloses a sophora flower cleanser which is prepared by mixing 20%-40% of sophora flowers, 1%-10% of aloe, 5%-15% of hyaluronic acid, 5%-20% of alkyl glycoside, 1%-10% of a solubilizer and the balance of water at a normal temperature, wherein the sophora flowers are extracts of active ingredients thereof. The sophora flower cleanser disclosed by the invention is prepared by a natural and moderate formula, is free from any side effect and safe to people of all skin types, is capable of delaying aging, has activities of diminishing inflammation, resisting allergy, resisting free radicals, resisting oxidation and the like, and is specifically suitable for skins with problems of allergy, pimples, acnes and the like.

The invention relates to a composition capable of resisting free radicals and improving a sunscreen index and cosmetics prepared by the composition. The traditional Chinese medicine composition is prepared from the following raw materials in parts by weight: 38-42 parts of a centella asiatica extract, 11-19 parts of a polygonum cuspidatum root extract, 13-17 parts of a scutellaria root extract, 8-12 parts of a tea extract, 6-14 parts of a liquorice root extract, 3-7 parts of a chamomile extract and 4-8 parts of a rosemary leaf extract. The composition not only has the effects of resisting freeradicals, resisting inflammation and the like, but also has the effect of enhancing the sun-screening capacity of a sun-screening agent, and the cosmetics prepared from the composition are mild in skin effect, small in irritation and high in safety.

The invention discloses a plant-derived hand-washing disinfectant and a preparation method thereof. Each liter of the plant-derived hand-washing disinfectant comprises 0.1-0.2g of resveratrol, 1.3-2g of sodium dodecyl sulfate, 40-50g of ethanol, 7-10g of propylene glycol, 10-17g of a traditional Chinese medicine composition, 1-2g of raw silk and the balance water. Water insoluble resveratrol is dispersed and used in a disinfectant so that high efficiency disinfection is guaranteed and antioxidation, free radical resistance and ageing prevention effects are obtained. Through synergism of resveratrol and a protein membrane formed from fibroin, the plant-derived hand-washing disinfectant has effects of disinfection, moisture retention, lubrication and skin care.

The invention discloses a skin-whitening sunscreen skincare product containing pawpaw stem cell extracts. The skin-whitening sunscreen skincare product comprises the following components by weight percent: 0.5%-5% of pawpaw stem cell extracts, 1%-6% of lithospermum extracts and 0.8%-8% of flos sophorae extracts. The pawpaw stem cells have high compatibility with human body, can be more easily absorbed by human body, have an excellent promoting function for the skin cell growth and can accelerate the cell metabolism and enhance the activity of skin cells; the lithospermum extracts with effectsof whitening skin, activating skin, accelerating metabolism and resisting against ultraviolet ray are added; the flos sophorae extracts and the pawpaw stem cell extracts have a synergistic effect forwhitening skin and resisting against sunlight; under the synergistic effect of various Chinese herb extracts, the product is capable of obviously improving the skin, promoting the capacity of resisting against ultraviolet rays and protecting the skin, and the effect is obviously better than that of a product with one or two plant extracts only.

The invention relates to the technical field of production of canned yellow peaches, in particular to a production method of canned yellow peaches, which comprises the following steps: cleaning and peeling yellow peaches, then removing pits, spraying yellow peach slices with alkali liquor, then washing the alkali liquor with clear water, putting the yellow peach slices obtained after the alkali liquor is washed into a hot solution containing citric acid, canning, then injecting hot sugar water with the temperature of more than 80 DEG C and the concentration of the sugar solution being 25-30%, adding 0.1%-0.15% of citric acid and 0.03%-0.05% of vitamin C into the canned yellow peaches, adding one or two of a honeysuckle flower extracting solution and a chrysanthemum extracting solution into the sugar solution, carrying out thermal exhaust or vacuumizing exhaust on the canned yellow peaches in an exhaust box, sterilizing the canned yellow peaches in boiling water, and cooling the canned yellow peaches. The production method of the canned yellow peaches is simple, has low overall requirements on processing equipment, is easy to realize continuous and automatic production, better improves the quality and production efficiency of the canned yellow peaches, reduces the production cost, and is easy for industrial application.

The invention relates to nutrient health-care selenium-enriched green tea dumplings and a making method thereof. A selenium-enriched tea leaf extraction solution is used for dough mixing, and filtered-out tea leaves are used for making fillers, so that the selenium-enriched tea leaves are sufficiently used, and besides, the mouth feel can also be improved; and the nutrient health-care selenium-enriched green tea dumplings can achieve the functions of resisting free radicals and resisting oxidation, and have good effect of resisting ageing.