30 results about "Olea europaea leaf" patented technology

The invention discloses a method for extracting Olea europaea leaf polyphenol by an aqueous two phase system. The method comprises the following steps of adding dried and crushed Olea europaea leaves into the aqueous two phase system containing hydrophilic low molecules organic solvent and inorganic salt solution, mixing, performing ultrasonic extraction, and extracting the Olea europaea leaf polyphenol to an upper phase; performing enrichment on the upper phase with macroporous resin, eluting the upper phase with the organic solvent, and concentrating and drying eluant to obtain the Olea europaea leaf polyphenol; the recovery rate of the Olea europaea leaf polyphenol is more than 90 percent, and the purity of the Olea europaea leaf polyphenol is more than 80 percent. The aqueous two phase extraction technique, which is a new isolation technique, is applied to isolation and extraction of the Olea europaea leaf polyphenol by combing with the traditional ultrasonic-assisted organic solvent extraction technique, therefore the method has the advantages that the product yield is high, the product purity is high, extraction is rapid, the condition is mild, equipment is simple, the Olea europaea leaf polyphenol is easy to amplify, and the like.

The present invention discloses an olive leaf food with health-care function its preparation method and use. Said food not only comprises olive leaf 10-100 weight portions, but also comprises ginkgo leaf 5-50 weight portions of ginkgo leaf extract. Said product possesses several health-care functions of raising immunity of human body, resisting thrombosis, curing hypertension and arteriosclerosis, reducing blood sugar, delaying senility, preventing cancer, resisting cancer and regulating internal secretion, etc. and has no toxic side effect.

The invention discloses a preparation method of an olive leaf extract microemulsion containing hydroxytyrosol and application of the olive leaf extract microemulsion. The preparation method comprises the following steps of: extracting an olive leaf extract rich in hydroxytyrosol from olive leaves; and carrying out appropriate microemulsion processing on the extract to improve the stability and enlarge the adaptability. The preparation method disclosed by the invention has the outstanding advantage of preparing the olive leaf extract microemulsion product rich in hydroxytyrosol and can be widely applied to the fields of medicines and food. For example, the olive leaf extract microemulsion can be applied to edible fat and oil and is used for preventing the fat and oil from rotting.

The invention discloses a method for extracting oleuropein from olea europaea leaves and belongs to the technical field of plant extraction. The method for extracting the oleuropein from the olea europaea leaves comprises the following steps: extracting pre-treated olea europaea leaf powder through polished round-grained rice and polished glutinous rice fermentation liquid; adding cellulase and pectinase to further release effective components in the olea europaea leaf powder; and then centrifugally separating, carrying out rotary evaporation for concentrating and drying to obtain the oleuropein. The embodiment shows that the operation is simple and feasible and the raw materials are simple and easy to obtain; the polished round-grained rice and polished glutinous rice fermentation liquid is used for replacing organic dissolving, so that the obtained oleuropein has no organic solvent residues and is safe and healthy; finally, the purity of the oleuropein extracted from the olea europaea leaves is up to 85% and more and the yield is up to 90% and more; and the oleuropein can be widely applied to production of foods and drugs and is suitable for industrial production.

The invention provides an oil-control anti-inflammatory plant combined extract. The plant combined extract is prepared from the following raw materials in parts by mass: 15-45 parts of olive leaves, 15-45 parts of swertia pseudochinensis, 15-45 parts of ligustrum lucidum fruits, 4-25 parts of coptis chinensis, 4-25 parts of angelica sinensis and 4-25 parts of liquorice. The invention further provides a preparation method and application of the plant combined extract. According to the plant combined extract, component raw materials of specific types and dosage ratios are mixed and extracted, and when the obtained product is applied to skin care products, the instant oil control effect and the long-acting oil control effect are obviously improved, oil control takes effect quickly and is notprone to relapse, and compared with common oil control plant extracts, the plant combined extract has the remarkable oil control advantage; moreover, I-type 5 alpha-reductase and II-type 5 alpha-reductase can be effectively inhibited, IL-1beta, TNF-alpha and COX-2 inflammatory factors which are over-expressed due to breeding of anaerobic bacteria acnes in skin hair follicles are inhibited, and theeffect of treating both symptoms and root causes is achieved.

The invention discloses a method for producing an olea europaea wine by utilizing olea europaea fruits and leaves. The method comprises the steps of adopting a fruits juice reserved after pressing the olea europaea fruits through a low-temperature cold pressing process and the olea europaea leaves as main raw materials, adjusting a sugar degree, smashing the olea europaea leaves, carrying out alcoholic fermentation, homogenizing through a high-pressure homogenizer, ageing, and blending to obtain the olea europaea wine with rich fruity flavor and rich nutrition. According to the method provided by the invention, the leaves produced during an olive tree pruning and rectifying process are fully utilized, and effective components such as oleuropein, hydroxytyrosol and flavonoid rich in the olea europaea leaves are reasonably transformed and utilized; plant cell walls and cell membranes of the olea europaea leaves are torn through the high-pressure homogenizer, so that intracellular organic matters in cells of the olea europaea leaves are fully released; meanwhile, under the action of the high-pressure homogenizer, the alcoholic fermentation is effectively terminated, yeast cells can be killed without the need for utilizing high temperature and adding SO2, the aroma component of the olea europaea wine is reserved favorably, and the quality of the olea europaea wine is improved.

The invention discloses a method for improving the bouquet and quality of liquor. The method includes the steps that a1, rice is washed and soaked in water for 40-50 min, and then drained and cooked for 40-50 min, and steamed rice with the water content of 30-40% is prepared; a2, fresh tender shoots, stems and leaves of fragrant ainsliaea, indigofera bungeana, litsea mollis, olive leaves and melastoma dodecandrum lour are mashed into a pasty state; a3, orange peels, radix et rhizoma rhodiolae crenulatae, bulbus lilii, fructus crataegi, radix astragali and piper betle are subjected to digestionto prepare a compound extracting solution; a4, a product in a step b is mixed with fresh distillers' solubles, the steamed rice, the compound extracting solution, a yeast solution and a rhizopus mother bacteria solution evenly, and then the mixture is fermented; b, the soaked sorghum is cooked thoroughly and cooled to the room temperature, distiller's yeast in the step a is added, the adding amount of the distiller's yeast is 0.1%-1% of the weight of the raw materials; c, after saccharification, clear water of 1-2 times the weight of the raw materials is added to distillers' solubles to obtain converted mash; and d, the converted mash is fermented and distilled. The brewed liquor is rich in bouquet, mellow in vinosity and good in refreshing performance, dost not burn mouth and is not spicy, and is high in liquor yield.

The invention discloses an olea europaea leaf extractive feed additive and application thereof. The olea europaea leaf extractive feed additive is prepared by the method comprising the following steps: preparing olea europaea leaves which are naturally dried in the shade as the raw materials; preparing an ethyl alcohol-water green organic mixing system with certain concentration as an extracting solvent; quickly extracting under a room temperature with ultrasonic assistance; filtering and drying to obtain olea europaea leaf extractive rich in active ingredients. The olea europaea leaf extractive prepared by the method is used as the feed additive and capable of promoting animal growth, improving the resistance to oxidative stress as well as improving immunity; the olea europaea leaf extractive feed additive is applicable to the field of nonreactive animal feed additives.

The invention relates to acne preventing cosmetics. The acne preventing cosmetics are characterized by comprising the following components in parts by weight of 1-15 parts of a plant extracting solution, 3-8 parts of an emulsifying agent, 4-26 parts of an emollient, 3-15 parts of a hydrating agent and 0.1-0.3 part of dipotassium glycyrrhizinate, wherein the plant extracting solution is a mixed solution of an olea europaea leaf extracting solution and a centella asiatica extracting solution.

The invention discloses olive and lemon flavored scented tea herb which is prepared from the following components in parts by weight: 50-60 parts of olea europaea tea, 5-6 parts of green tea, 1-3 parts of herba menthae haplocalycis, 1-3 parts of fructus foeniculi, 2-4 parts of cortex cinnamomi, 10-15 parts of cocoa beans, 15-20 parts of liquorice roots, 5-10 parts of herba cichorii, 1-3 parts of rhizoma zingiberis, 1-3 parts of fructus piperis, 5-6 parts of flos caryophylli and 3-7 parts of flos chrysanthemi. The invention also discloses a preparation method which comprises the following steps: preparing the olea europaea tea: removing water from picked olea europaea leaf tips, during water removal, rising the temperature to 120-150 DEG C within 2min, stir frying the olea europaea leaf tips for 10-15min, then cooling to 90-100 DEG C, stir frying the olea europaea leaf tips for 10-15min, rolling the fried olea europaea leaf tips after water removal, and then drying the rolled olea europaea leaf tips to obtain the olea europaea tea. By innovatively preparing the olea europaea into tea to be used and innovatively matching the olea europaea tea with the green tea, the herba menthae haplocalycis, the fructus foeniculi, the cortex cinnamomi, the cocoa beans, the liquorice roots, the herba cichorii, the rhizoma zingiberis, the fructus piperis, the flos caryophylli and the flos chrysanthemi, the olive and lemon flavored scented tea herb can have the efficacy of clearing heat from throat, maintaining beauty, keeping young, improving eyesight and promoting gastric digestion.

The invention discloses an olive and caramel Rooibos tea which is prepared from the following components in parts by weight: 30-40 parts of olea europaea tea, 45-60 parts of Rooibos tea and 10-15 parts of caramel. The invention also discloses a preparation method which comprises the following steps: preparing the olea europaea tea: removing water from picked olea europaea leaf tips, during water removal, rising the temperature to 120-150 DEG C within 2min, stir frying the olea europaea leaf tips for 10-15min, then cooling to 90-100 DEG C, stir frying the olea europaea leaf tips for 10-15min, rolling the fried olea europaea leaf tips after water removal, and then drying the rolled olea europaea leaf tips to obtain the olea europaea tea. According to the olive and caramel Rooibos tea and the preparation method, by innovatively preparing the olea europaea into tea to be used and innovatively matching the olea europaea tea with the Rooibos tea and the caramel, a new tea is prepared and can have the efficacy of clearing heat from throat, resisting oxidation and relieving discomfort of skin.

The invention relates to a preparation method of olive leaf total flavonoids, in particular to a method for extracting olive leaf total flavonoids by adopting a homogenate-ultrasonic method. The method comprises the following treatment steps: drying olive leaves in the shade, crushing, adding 50-60% ethanol which is 1-2 times of the raw materials, and mixing and homogenizing in a homogenizer; after homogenizing, putting the material into an ultrasonic device, adding a 50-60% ethanol solution which is 3-5 times of the raw material, carrying out ultrasonic extraction for 90-120 minutes, carryingout vacuum concentration, and recovering ethanol to obtain a concentrated solution; loading the obtained concentrated solution on a column through 80-100-mesh polyamide resin, eluting, collecting aneluent, concentrating and drying to obtain the olive leaf total flavonoids. The method has the advantages of rapidness, high efficiency, low solvent consumption and the like, the reproducibility is good, and the resin can be repeatedly used.

The invention discloses a preparation method for an oleuropein component in olea europaea leaves. The method comprises the following steps: taking the dried olea europaea leaves, adding ethanol with avolume fraction of 60%-70%, performing heating reflux extraction for 2-4 times at 65-75 DEG C, wherein reflux extraction is performed for 2-3 h each time, combing the extracted liquids, performing rotary evaporation to recover a solvent, and after the liquid is nearly dried, dissolving the residues in water to obtain an extract liquid; putting AB-8 resin in a glass column with a resin height of 20 cm; and performing adsorption on the extract liquid through the column, after the adsorption is completed, washing the resin column by using distilled water with a volume of 3 times of a column volume, performing elution by using ethanol with a volume fraction of 65% and a volume of 6 times of the column volume, collecting a 65% ethanol eluent, recovering the solvent under reduced pressure, performing silica gel column chromatography separation, performing elution by using chloroform-methanol, collecting a 13:1 eluted fraction, and performing concentration to obtain the oleuropein component.The method is simple, fast, and easy to operate, and can comprehensively and effectively obtain the oleuropein component in the olea europaea leaves, and the oleuropein component has antibacterial, anti-inflammatory and anti-oxidation effects, and can be used for preparation of medicines.

The invention discloses a method for separating oleuropein from olive leaves through counter-current chromatographic continuous sampling. The method comprises the following steps: extracting the olive leaves, and conducting concentrating to obtain crude extract of the olive leaves; adopting a solvent system formed by mixing n-butyl alcohol, ethyl acetate, methanol and water as a two-phase solvent for counter-current chromatographic separation, wherein an upper phase of the solvent system is used as a stationary phase, and a lower phase is used as an original mobile phase; and dissolving the crude extract of the olive leaves in one part of the original mobile phase to prepare a sample solution, using the other part of the original mobile phase as a mobile phase, conducting continuous sample introduction and separation of oleuropein in the olive leaves by adopting an elution-extrusion mode to obtain oleuropein monomers, wherein an obtained compound has relatively high purity. According to the separation method disclosed by the invention, a sample introduction amount is increased through continuous sample introduction, solvent consumption can be reduced, a preparation amount is increased, and macro preparation of oleuropein in the olive leaves is facilitated.

The invention discloses a processing method of olea europaea tea. The processing method is characterized by comprising the steps of picking leaves, carrying out high-pressure spraying and washing, carrying out ultraviolet radiation and disinfection, carrying out air drying, carrying out fixation and baking. The processing method of the olea europaea tea, disclosed by the invention, has the advantages that olea europaea leaf raw materials are subjected to sterilization and disinfection by adopting a high-pressure spraying and washing manner and an ultraviolet radiation and disinfection manner; compared with traditional manual washing, the manners can be used for washing the raw materials more completely; secondary pollution which is possibly caused by health problems of operating personnel is avoided; processing steps of drying and dehydrating, and then frying and carrying out fixation are adopted so that a condition that nutrient components are lost, caused by the fact that the volume of cytoplasm is increased in a direct heating process and cell walls are broken, can be avoided.

The invention relates to a disinfection type hand sanitizer extracted from natural plants and having natural bacteriostatic and antiviral functions, which comprises the following components in parts by weight: 5-25 parts of a syringa microphylla leaf or Ass olive leaf extracting solution, 5-20 parts of an aucubin solution, 5-20 parts of alkyl glycoside, 0.5-8 parts of a mixture of citric acid and sodium citrate, 0.5-2 parts of polydatin, 0.5-2 parts of L-tartaric acid, 0.2-0.5 part of degraded konjac glucomannan, 0.1-0.5 part of one or two of melaleuca alternifolia essential oil, elsholtzia chinensis essential oil, pungent litse fruit oil, jasmine flower essential oil and eucalyptus globulus leaf essential oil, and the balance of purified water. The hand sanitizer disclosed by the invention can be used for washing shampoo, shower gel, tableware and vegetables, is also suitable for mildew prevention of chopping boards and furniture, disinfection of kitchens and baths and the like, can be free from cleaning, and is green and environment-friendly.