203 results about "Olive leaf" patented technology

Methods, systems and formulations for normalizing and improving human body chemistry and the body's natural ability to heal itself. In one embodiment a system including effective amounts of a digestive enzyme, soluble and insoluble fiber, laxative, probiotics, vitamin C, potassium, protease enzymes, lipase, lysine, taurine, proline, choline, inositol, inositol hexaphosphate, policosanol, charcoal, bentonite clay, thyme, ascorbic acid, magnesium citrate, calcium citrate, methylsulfonyl methane, cayenne pepper, magnesium, potassium, ester-c, ginger and niacin, lysine calcium, stevia leaf, citric acid, a tincture of bayberry bark, juniper berries, yam root, cramp bark, golden seal root, fennel seed, uva ursi leaves, ginger root, lobelia herb, catnip herb, and peppermint leaf, golden seal root, Echinacea angustifolia root, ginger root, and licorice root, a tincture of black walnut hulls, venus fly trap, chaparral, wormwood, licorice root, slippery elm, cloves and comfrey root, burdock root, sheep sorrel, rhubarb root, slippery elm, olive leaf and yarrow flower is provided.

The invention provides fodder for laying hen and a preparing method thereof, and belongs to the technical field of laying hen fodder. The fodder comprises, by weight, corn, corn gluten meal, dried blood, monocalcium phosphate, shells, alfalfa, oat, carrot powder, pumpkin powder, tuber onion seeds, beer yeast powder, traditional Chinese medicine concentrated powder, complex vitamin and compound trace elements. The traditional Chinese medicine concentrated powder is obtained by mixing hericium erinaceus, sea-buckthorn, astragalus membranaceus, scutellaria baicalensis, rhodiola rosea, medlar, leonurus, honeysuckle and olive leaves according to the mass ratio of 1-3:1-2:1-2:1-2:1-3:1-3:1-2:1-3:1-3, and then digestion, concentration and drying are conducted. The fodder for the laying hen can improve egg quality, is deep in color of egg yolk and good in forming, effectively improves the disease resistance of the laying hen and prolongs the peak laying period of the laying hen.

The invention discloses a method for extracting oleuropein from olive leaves, which comprises the following steps of: extracting with water or a mixed solvent of alcohol and water, and then concentrating an extracting solution to separate the extracting solution through three steps in sequence: absorbing through using macroporous resins and eluting with a solvent of the alcohol and the water, absorbing through using decolouration resins, and extracting through using an organic solvent, wherein the macroporous resins have an excellent adsorption effect for the oleuropein and are used for eluting to remove other impurities, and the decolouration resins have an excellent adsorption effect for pigments in the olive extracting solution and are used for absorbing and removing pigments; separating and purifying the oleuropein in the extracting solution step by step; at last, acquiring an oleuropein extract with high content. The content of the oleuropein is more than 40 %, even up to 80-90 %.

The invention discloses a fattening pig feed containing Chinese herbal medicines. The fattening pig feed comprises the following raw materials: corn, wheat bran, saccharified sweet potato vine powder, cottonseed meal, oat, fish meal, conch meal, talcum powder, dicalcium phosphate, table salt, vitamin C, 25-hydroxyl vitamin D3, dried marine algae powder, beet pulp, mannan oligosaccharides, nettle powder, alfalfa powder, pumpkin powder, purslane powder, tuber onion seeds, olive leaf meal, green tea powder, fleeceflower roots, heartleaf houttuynia herbs, malt, honeysuckles, medicated leaven, poria cocos, haws, radix codonopsis, Chinese yam, composite trace elements, a multi-enzyme preparation and a microecological preparation. The fattening pig feed containing the Chinese herbal medicines, provided by the invention, is reasonable in formula, comprehensive in nutrients and good in palatability, can meet the nutritional requirements of the growth of fattening pigs, can improve the immunity of the fattening pigs, and can prevent the diarrhoea of the fattening pigs; besides, the content of nucleic acid in pork can be increased, and the content of cholesterol in the pork can be reduced, so that the quality of the pork is improved.

The invention discloses a process method for synchronously preparing oleuropein and olive total flavonoids from olive leaves. Olive leaves serve as raw materials, and the method comprises the following steps of: performing reflux or multiple extraction, series adsorption through macroporous adsorption resin, and gradient desorption; and recovering an organic solvent in desorption solution, and performing spray drying to respectively obtain high-content extracts of the oleuropein and the olive total flavonoids. The invention has the characteristics that: the high-content extracts of the oleuropein and the olive total flavonoids can be synchronously prepared, the production cost is low, the method is environmentally-friendly, and the process is simple.

A process for preparing the extract of olive leaf includes such steps as low-temp drying in dark condition, pulverizing, extracting in ethanol or methanol by reflux, immersing, seeping, or ultrasonic wave, filtering, vacuum concentrating, vacuum drying to obtain coarse extract, pulverizing, sieving, dissolving in water, filtering, membrane separation, and purifying by ion exchange.

The invention discloses a method of using crude extract of olive leaf oleuropein to prepare hydroxytyrosol. Compared with acid hydrolysis and alkali hydrolysis, the enzymolysis process for crude extract of olive leaf oleuropein is mild in method condition, and consumption of acid and alkali catalysts is reduced in the whole process. Hemicellulase is selected from ten enzymes as an enzyme best in oleuropein degrading effect by taking oleuropein degrading rate and hydroxytyrosol content as indexes, optimal process conditions include 60 DEG C of temperature, 5.5 of pH value, 40mg of enzyme amount and 6h of time, obtained HT content is 6.07%, and OE degrading rate is 85.28%.

The invention discloses a preparation method of an olive leaf extract and the olive leaf extract prepared by the preparation method. An olive leaf extract product of which the oleuropein content is greater than 90% is obtained through the processes of infiltration, enzymatic extraction, separation and drying on olive leaves. The whole method only comprises four steps, the adopted reagents are common non-toxic ingredients, the yield is high, the cost is low, the obtained product can be directly used for preparing medicines, health products and foods, and the method is very suitable for industrial production.

The invention provides a sweet-scented osmanthus biscuit. The sweet-scented osmanthus biscuit is characterized that raw materials include, by weight: 50 to 60 parts of white flour, 10 to 20 parts of glutinous rice flour, 10 to 20 parts of milk powder, 4 to 5 parts of black sesame powder, 2 to 3 parts of peanut powder, 1 to 2 parts of almond power, 5 to 10 parts of black rice, 5 to 10 parts of rice, 3 to 5 parts of dried sweet-scented osmanthus, 3 to 5 parts of dried sophora flower, 4 to 6 parts of dried lilac, 1 to 2 parts of olive leaf, 5 to 6 part of corn stigma, and 1 to 2 parts of clover. Compared with the traditional biscuit, the sweet-scented osmanthus biscuit adopts fried rice and is crispy and delicious; various petals are added, so that faint flower fragrance can be smelled; the sweet-scented osmanthus biscuit is simple in process and nutritious, and can be in customers' good graces.

The invention discloses a method for purifying hydroxytyrosol. The method for purifying the hydroxytyrosol comprises the following steps of: dissolving an oleuropein crude product by using deionized water under stirring; passing through an adsorption type macroporous resin chromatographic column, washing with the deionized water, performing elution by using ethanol aqueous solution, and collecting eluent; performing vacuum concentration until no alcohol exists to obtain refined oleuropein aqueous solution; adding an inorganic acid to react; adding sodium hydroxide to adjust the pH value to be 7 to obtain hydroxytyrosol-containing aqueous solution; performing vacuum concentration; performing extraction by using equivalent ethyl acetate; and laminating ester and concentrating to remove the ethyl acetate to obtain faint yellow paste hydroxytyrosol with purity of more than or equal to 80 percent. In the method, the characteristic of one-way conversion from the oleuropein in an olive leaf resource to the hydroxytyrosol is completely utilized, so that the conversion rate is high, the current situation that the oleuropein component is blindly separated in the purification process of the oleuropein is changed, the oleuropein is converted into the hydroxytyrosol with high economic value, economic benefit is improved, and difficulty in preparation of high-content hydroxytyrosol is greatly reduced.

The present invention relates to pharmaceutical, nutraceutical, health foods and medical device compositions comprising polysaccharides from Opuntia Ficus Indica cladodes in combination with antioxidant and anti-inflammatory plant extracts as well as those from Olive leaf, Capparis Spinosa buttons, anthocianosides from red oranges, black rice or from other natural sources and their combinations, useful for prevention and therapy of hemorrhoidal disease and related diseases. The invention compositions may, be applied topically or administered by oral route.

The invention provides a method for preparing olive extract oil which has the advantages of no olive odor, excellent penetrability to skin and high inoxidability, as well as olive extract oil prepared by using the method. In the method, olive fruits and olive leaves are pulverized to obtain paste, and then the paste is prepared into olive extract oil, wherein before, after or during pulverization, the olive fruits and the olive leaves are processed by lactic acid fermentation.

The invention discloses a method for preparing olive leaf extract, belonging to the technical field of plant effective ingredient extraction and separation. The method for extracting and separating oleuropein from olive leaves in the invention has the following steps: extracting the olive leaves by polar solvent, precipitating by flocculant to obtain centrifugal solution and precipitate, extracting the centrifugal solution, further separating by preparative high performance liquid chromatography (HPLC) for acetic ether extractive phase, performing on-line detection by a differential refraction detector, objectively collecting oleuropein product segments, performing reduced pressure concentration on preparation liquid, and carrying out vacuum drying or spray drying to obtain the olive leaf extract in which the oleuropein content is larger than 90%. The invention has the advantages of simple procedures, realization of high purity oleuropein preparation, large preparation amount, high yield and good product quality and is suitable for industrialized production; and the prepared extract has no residual of harmful substances.

The invention discloses olive tea without bitterness. The olive tea without bitterness is prepared by the following steps: selecting leaves; washing; de-enzyming by using a microwave de-enzyming machine; dehydrating; immersing by using a mixed liquid of hawthorn and honeysuckle extraction liquids to remove bitterness; roasting; removing bitterness by using an ozone air purifier; ventilating and standing; and frying the tea. The process provided by the invention is simple and convenient to operate. Bitterness of olive teas can be effectively removed by bitterness removal by virtue of ozone and immersion by virtue of hawthorn and honeysuckle and moreover, the olive tea further has the functions of tonifying spleen and appetizing and clearing away heat and detoxifying. The olive leaves selected are relatively large in size. Just several olive leaves are needed for drinking, and the immersed tea leaves are further more attractive.

In order to solve the problems that in the existing olive tea preparation process, the nutrition of olive leaves is ruined in the processes of high temperature deactivation, sun-curing, and alkali soaking, the olive leave, only the taste of ingredient remains after the olive tea is soaked, the obtained olive is not high-quality purely natural olive tea, and the unique health care function of the olive leaves can not be sufficiently exerted, the invention provides olive tea and a preparation process thereof. The olive tea is prepared by selecting old leaves, tender leaves or tender shoots of olives. The preparation process comprises the following steps of spreading, moisture preservation, tea washing, dewatering, steaming, forming, curing, storing, frying, rolling depression, secondary curing and screening. The olive tea and the preparation process thereof, which are provided by the invention, have the beneficial effects that branches sheared from olive trees are efficiently utilized, the old leaves, tender leaves or tender shoots are selected, and a certain proportion of olive flowers is taken as the raw material, so that the waste materials can be turned into valuable materials, and further, the profits of enterprises and farmer households are enhanced. The olive tea has the advantages that the preparation process of the olive tea is unique, the nutrition in the olive leaves is kept to the maximum extent, and drinking the olive tea for a long time has a health care effect on human bodies.

The invention discloses a preparation method of long-circulation lipidosome of an olive polyphenol extract rich in hydroxytyrosol and verbascoside. Olive leaf is taken as a raw material, and is prepared into an olive polyphenol extract by extracting with 30 to 50 percent of ethanol, separating with a ceramic membrane and an ultrafiltration membrane and concentrating with a nanofiltration membrane; 90 percent of the hydroxytyrosol, 10 to 40 percent of an oleuropein extract and 90 percent of the verbascoside are compounded to prepare the olive polyphenol extract rich in the hydroxytyrosol and the verbascoside; the hydroxytyrosol and verbascoside polyphenol as model materials, lecithin, cholesterol, a Tween-80 surfactant and the like are prepared into the corresponding lipidosome. The lipidosome has the advantages that the bioavailability of the olive polyphenol extract is remarkably increased, and high encapsulation efficiency, uniform particle size distribution, good stability, slow release property, oxidation resistance and an antibacterial effect are achieved. The preparation method is simple and feasible, equipment is simple, and the application of the lipidosome in the medicine field can be widened.

The invention discloses a method for extracting hydroxytyrosol from olive leaves and belongs to the technical field of plant active ingredient extraction. The method disclosed by the invention is characterized in that the olive leaves are used as raw materials, alkali liquor with the pH value being 11 to 14 is used for carrying out heat insulation extraction under the condition of 80 to 100 DEG C, obtained extraction liquid is concentrated and passes through a macroporous adsorption resin column, methyl alcohol or ethanol is used for washing the column, the thin layer chromatography tracking detection is carried out, and alcohol washing eluent is collected; and the alcohol washing eluent is concentrated, extracting agents are used for extraction, extraction phases are collected, concentration and drying are carried out, and the hydroxytyrosol is obtained. Compared with the prior art, the method has the advantages that the olive leaves are subjected to heat insulation extraction by the alkali liquor with the pH value being 11 to 14 under the condition of 80 to 100 DEG C, the extraction and hydrolysis steps are simultaneously carried out, the extraction efficiency is high, and in addition, the hydrolysis reaction is complete; and on the other hand, the extraction and hydrolysis steps can be synchronously carried out, and the transition step is not needed between the two steps, so the work procedure is simplified, the labor and the material are saved, the production cost is reduced, and the industrial production is easily realized.

The invention provides novel Chenopodium quinoa and olive vinegar and a preparation method of the novel Chenopodium quinoa and olive vinegar. The novel Chenopodium quinoa and olive vinegar is characterized in that the novel Chenopodium quinoa and olive vinegar is prepared from the following raw materials in weight percentage: 8.5-1.2% of Chenopodium quinoa, 8.5-1.2% of grain sorghum, 7.9-8.5% of bran, 9.9-10.5% of sorghum husk, 3.7-4.1% of hard liquid, 55-59% of olive leaf and 0.1-0.06% of additive. The vinegar is subjected to ultra high-temperature instant sterilization after vinegar spraying is finished, bacteria in the vinegar can be killed thoroughly due to high ultra high-temperature instant sterilization temperature; and besides, secondary sterilization is carried out after sedimentation, all bacteria in the vinegar are killed, and the health of a drinker is ensured; and according to the novel Chenopodium quinoa and olive vinegar, Chenopodium quinoa and olive leaf are used for making vinegar, and the nutritional and health-care ingredients of the table vinegar are increased.

The invention relates to a plant herbal nursing gel for cleaning, conserving and protecting female and a preparation method thereof. According to skin structures and physiological principles of private parts of the female, the insufficiencies which exist in conventional related products on the market are systematically analyzed in all aspects based on main components such as laws and regulations, uses, applicable people and technology recipes; a stereoscopic balanced nursing new mechanism for cleaning, conserving and protecting the private parts of the female is provided; modern plant herbal extractives such as European horse chestnut extractive, centella extractive, olive leaf extractive, green tea extractive, peppermint extractive, oat beta-glucan, trehalose, cranberry extractive and beetroot extractive and natural source surface active agents such as olive oil carboxylic acid sodium, sodium lauroyl sarcosine, quillaia bark extractive are selected; biochemical active ingredients such as fish scale collagen protein, ascorbic acid phosphate sodium, allantoin and nicotinamide are coordinated. A new product fit in with the modern concept of being natural, safe and healthy is provided for the nursing of the private parts of the female.

The invention discloses an extraction process for hydroxytyrosol from an olive leaf, belonging to the technical field of extraction of active components from medicinal plants. The extraction process comprises the following steps: crushing the olive leaf into coarse powder, carrying out percolation extraction by using ethanol with a concentration of 80%, subjecting liquid extract to adsorption with D101 resin, then carrying out elution by using ethanol with a concentration of 60% and carrying out concentration and drying on eluate so as to obtain oleuropein with a concentration of 45 to 55%; and hydrolyzing oleuropein with a sodium hydroxide solution, adding acid for neutralization after complete hydrolysis, carrying out precipitation and centrifugation, subjecting obtained centrifugate to adsorption with D101 resin and elution with hot ethanol, concentrating eluate, then repeatedly carrying out extraction with ethyl acetate four times, and carrying out concentration and drying on ethyl acetate-layer liquid so as to obtain hydroxytyrosol with a concentration of 80 to 90%. The extraction process for hydroxytyrosol from the olive leaf is high in the utilization rate of raw materials, and the prepared oleuropein and hydroxytyrosol can greatly meet market demands.

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 relates to a method for extracting oleuropein from olive leaves. The method comprises the following steps of: smashing olive leaves; adding saturated lime water in an amount of 8-15 times that of the olive leaves, and heating and extracting for 2-3 times; adjusting an extracting solution to be neutral; adding a filtered extracting solution into a macroporous resin column for adsorbing; gradually eluting with ethanol water; collecting active ingredients; concentrating under reduced pressure; adding water-saturated n-butyl alcohol into a concentrated solution for extracting for 3-5 times; collecting a n-butyl alcohol layer; recovering an organic solvent under reduced pressure to obtain an extract; adding ethanol for refluxing and dissolving; adding active carbon for decoloring for 1-2 hours; filtering the active carbon out; recovering ethanol; and performing freeze drying to obtain the oleuropein product. The method has the advantages of easy operating, no use of toxic reagents in a preparation process, environmental friendliness and high product content, and is suitable for industrial production.

The invention discloses a nephrite-containing daily commodity composition, as well as a preparation method and application thereof. The daily commodity composition comprises the following raw materials by weight percentage: 10 to 40 percent of nephrite, 0.005 to 0.01 percent of gold, 0.001 to 0.01 percent of silver, 0.1 to 5 percent of moringa extract, and 0.25 to 0.3 percent of natural preservatives, wherein the particle diameters of nephrite, gold and silver are 5 to 20 nm, 30 to 80 nm, and 25 to 50 nm respectively; the natural preservatives comprise 5 to 40 percent of a scutellaria extract, 5 to 40 percent of a hibiscus flower extract, and 20 to 60 percent of an olive leaf extract. The nephrite-containing daily commodity composition has the advantages that the friction coefficient is lower; the use feeling and the infrared ray reflectivity are excellent; the efficiencies of whitening, nourishing and repairing are high.

A method for extracting cleupin and amentoflavone from olive leaf comprises the following steps of: drying olive leaf, extracting the dried olive leaf by the use of an ethanol solution, filtering, carrying out vacuum concentration, extracting, absorbing by the use of a resin, eluting with ethanol, condensing the eluate, followed by crystallization and recrystallization to prepare pure cleupin and amentoflavone. Reagents used in the invention are all nontoxic cheap chemical reagents produced in quantity. During the whole process, a mature reagent recovery routine technology can be utilized, thus greatly reducing wastes discharged into the environment. As cleupin and amentoflavone can be simultaneously extracted, production cost is greatly reduced, and the olive leaf resource is also saved.

The invention discloses a traditional Chinese medicine composition for whitening and moisturizing, which is prepared from the following materials in parts by weight: 5-10 parts of Chinese herbaceous peony, 8-15 parts of lotus flower, 3-10 parts of Ganoderma sinensis, 4-15 parts of almond, 2-7 parts of motherwort, 3-12 parts of centella, 5-16 parts of silk, 7-18 parts of green bamboo, 2-6 parts of olive leaf, 5-15 parts of seaweed, 2-5 parts of oat, 3-9 parts of cactus, 1-5 parts of pearl, 3-12 parts of angelica sinensis, 7-15 parts of pawpaw, 4-16 parts of radix sophorae flavescentis, and 5-10 parts of garden burnet. The invention aims at providing the traditional Chinese medicine composition for whitening and moisturizing, which is scientific in collocation, and free of toxic and side effects, and can effectively prevent pigmentation.

The invention discloses a caulis dendrobii hypoglycemic solid drink and a preparation method thereof, and the caulis dendrobii hypoglycemic solid drink is composed of the following raw materials by weight: 35-45 parts of dendrobium huoshanense, 20-30 parts of carambola, 10-15 parts of raspberry, 5-10 parts of aloe, 3-6 parts of radices trichosanthis, 2-4 parts of ganoderma lucidum spore powder, 4-8 parts of balsam pear seed powder, 2.5-4.5 parts of water chestnut leaf, 4-6 parts of guava leaf, 3-5 parts of corn silk, 1-2 parts of ginseng flower, 2-3 parts of olive leaf, 1-2 parts of glucomannan and a proper amount of water. The caulis dendrobii hypoglycemic solid drink can promote and balance human body sugar metabolism, protects and repairs islet cells, reverses the complications, makes blood sugar content gradually tended to be normal, can effectively control blood sugar and lower blood sugar, is especially suitable for diabetics to drink, has good nutrition and health care function when drunk by normal people, opens up a new way for the deep processing of caulis dendrobii, improves the additional value and economic benefit of the caulis dendrobii, and is applicable to large-scale production.

The invention discloses a bean-dreg chili sauce which is characterized by comprising the following raw materials in parts by weight: 30-40 parts of chili, 10-20 parts of bean dregs, 5-6 parts of olive leaf, 3-5 parts of sunflower seeds, 0.01-0.03 part of poria cocos, 0.01-0.02 part of rhizoma alismatis, 0.02-0.03 part of coix seed, 0.01-0.02 part of wax gourd peel, 0.01-0.02 part of corn stigma, 0.01-0.02 part of plantain, 0.01-0.02 part of carnation, 0.01-0.02 part of dandelion, 0.01-0.02 part of fructus kochiae and 0.01-0.02 part of chestnut leaf. According to the bean-dreg chili sauce, the preparation process is simple and environment-friendly. Firstly, the wastes, namely the bean dregs with a high nutritional value, in preparation of bean curd, are added; secondly, a few traditional Chinese medicine ingredients with effects of clearing damp and promoting diuresis are added; lastly, various seasonings are added, thereby enriching the taste of the chili sauce.

The invention relates to a clothes care agent. The clothes care agent is prepared from, by weight, 5-8 parts of citric acid, 12-16 parts of baking soda, 10-13 parts of glycol ether, 4-7 parts of lignosulfonate, 12-17 parts of eugenol, 7-11 parts of sodium tripolyphosphate, 3-5 parts of ethyl alcohol, 11-16 parts of natural extracting solution, 6-10 parts of essential oil, 13-18 parts of microcapsule essence and 35-42 parts of deionized water. The natural extracting solution is prepared from, by weight, 20-25 parts of olive leaves, 5-10 parts of rosmarinus officinalis, 3-7 parts of aquatic plant, 8-12 parts of lavender and 6-9 parts of honeysuckle flowers. The invention also relates to a preparation method of the clothes care agent. The prepared clothes care agent has the good caring effecton the texture of clothes, clothes soaked with the care agent are soft and smooth, has a lasting fragrance, and the clothes care agent can also inhibit bacteria, deodorize and prevent ultraviolet rays, has multiple effects and can meet the multiple demands of consumers simultaneously.

The invention discloses a lonicera japonica rose tea and a preparation method thereof. The lonicera japonica rose tea is prepared from the following raw materials: 60-80 of Fagopyrum tataricum, 20-25 of rose, 10-15 of lonicera japonica, 4-6 of lophatherum gracile, 3-4 of lavender, 3-6 of cushaw vine, 4-6 of olive leaf, 6-8 of pineapple leaf, 8-12 of hawthorn, 4-6 of ginkgo leaf, 3-5 of cassia seed, and 8-10 of brown sugar. According to the lonicera japonica rose tea prepared by the method provided by the invention, color protection and oxidation prevention are employed, the functional components are maximumly preserved, also baking and cold soaking are employed so as to precipitate beneficial ingredients more easily, and compounding with other traditional Chinese medicines are realized, the health care value is enhanced, the taste and flavor are improved and reconciled, Fagopyrum tataricum is endowed with flavor, and organic combination with tea is achieved. The lonicera japonica rose tea is convenient to store and eat, can be drinkable after brewing, has light yellow and transparent tea color, is sweet and mellow, has the efficacy of refreshing people and benefiting intelligence, nourishing yin and clearing heat, helping produce saliva and slake thirst, promoting the circulation of blood and maintaining beauty, losing weight and reducing fat, etc., and is beneficial to body health.

The invention relates to an extraction method of olive leaf polyphenol. The method comprises the following steps: with water as a solvent, obtaining olive leaf polyphenol crude extract by adopting microwave extraction, then carrying out macroporous resin separation, pressure reduction and concentration, and vacuum freeze dehydration to obtain the olive leaf polyphenol. The method is characterized in that the the microwave power is increased for every other 20-60s in the microwave extraction process. The method has the beneficial effects that the use amount of the solvent can be reduced, the extraction yield is increased, and the purity is improved.