60 results about "Syringa oblata" patented technology

The invention provides a method for simultaneously producing and preparing three active constituents, including Syringin, chlorogenic acid and 1, 5-dicaffeoylquinic acid by cell culture of herba saussureae involucratae on large scale. The method comprises application of flask shaking suspension culture and bioreactor culture, and separation and preparation process for the three constituents in the cultured cell. The invention provides a new method for production of the three medicinal active constituents, and the new method can provide enough resource for clinical medicine application; moreover, the method can protect the rare wild plants resource while realizing harmless, pollution-free and low-cost large scale production of the herba saussureae involucratae active constituents, so that the resources crisis is eased effectively.

The invention relates to a method for extracting and separating ligustrin, which is to extract the ligustrin by the decoction method through crushing of excrementum passeris (Syringa oblata Lindl.var. alba Hort.ex Rehd.) branches. A ligustrin extract is eluted by 20 to 60 percent alcohol solution through an XDA-1 or AB-8 macroporous absorption resin column, and undergoes chromatographic separation through a silica gel column, and then ligustrin crystals with the purity over 97 percent can be obtained. The method comprises the following techniques: extraction of the ligustrin from the excrementum passeris, separation of macroporous resins and the silica gel column, crystallization and so on. The method has the advantages of low cost, simple and convenient operation, convenient industrialized production and so on. Both the stability and the reproducibility of the techniques are good; the purity of products obtained is more than 97 percent; and the method is suitable for extraction in mass production.

The invention discloses a compound microorganism preparation for preventing and treating rice blast and a preparing method of the compound microorganism preparation. The compound microorganism preparation is prepared from streptomyces tsusimaensis fermentation liquor, syringa oblata streptomycete fermentation liquor, asburiae bacillus fermentation liquor and beautiful Bacillus pumilus fermentation liquor. According to strains of the compound microorganism preparation, rice can be induced to generate disease resistance through the comprehensive utilization of interspecific or intraspecific antibiosis, competition, hyperparasitism and bacteriolysis of microorganisms and through secondary metabolite, various antibiotics such as streptomyces sparsogenes, nonactin and valinomycin can be generated, and a superstrong suppression effect can be generated on pathogenic bacteria of rice blast; the four strains used in the compound microorganism preparation can be directly separated and obtained from soil, all have the root trace growth-promoting effect, can breed and grow on the surfaces of crops or inside plants or in soil while secreting certain secondary metabolite towards the rhizosphere of plants in an orientation mode, and can improve absorption of plants to nutritive substances, stimulate the growth of plants and perform the role of fertilizer.

The invention discloses spicy bean paste, which is mainly prepared from soybean, chili powder, Sichuan pepper powder, monosodium glutamate, white sugar, sodium guanylate, edible vegetable oil, aniseed powder and Syringa oblata powder in a certain weight ratio. The spicy bean paste can be prepared into bean paste of various specifications, and can be eaten directly with fresh flavor and good taste.

The invention belongs to the field of extraction of natural medicines, and particularly relates to a syringa oblata lindl extract, a preparation method and uses thereof, wherein the syringa oblata lindl extract contains 3,4-di-(3-methoxy-4-hydroxybenzyl)tetrahydrofuran, secoisolariciresinol, 2,3-di-(3-methoxy-4-hydroxybenzyl)-3,4-epoxybutanol, 2-hydroxy-3,4-bis-(3-methoxy-4-hydroxybenzyl)tetrahydrofuran, 2-(3,4-methylenedioxybenzyl)-3-(3-methoxy-4-hydroxybenzyl)-1,4-butanediol, and cubebin. According to the present invention, the experiment results show that the syringa oblata lindl extract can significantly prolong the mouse sleep time and significantly reduce the mouse autonomic activity number, and has significant nerve calming effect.

The invention relates to a skin health-care product, in particular to a health-care product which can take care of the face skin and oral lip. The weight proportions of the components of the invention are as follows: respectively 5 to 8 portions of bletilla striata, angelica anomala, ampelopsis japonica (thunb) makino, atractylodes, white lotus bud, white semen pharbitidis, dolichos lablab, white muscardine silkworm, white poria cocos, syringa oblata var.affinis lingelsh and rhizoma typhonii, respectively 2-5 portions of white asarum heterotropoides, schizonepeta tenuifolia briq, pubescent angelica, notopterygium and ledebouriella seseloides; apart from the above components, at least one of the following components can be added, respectively 2-5 portions of pearl powder, nardostachys chinensis batal and spirodela polyrrhiza(L) schleid of respective and 5-8 portions of white pigeon feces. With the functions of dispelling spots, removing wrinkles, and keeping moistures, the invention can make the skin smooth and the oral lip bright with obvious health-care and beautifying effects and no toxic and side effects.

The invention provides a traditional Chinese medicinal acne removing and skin cleansing lotion, and a preparation method thereof, and belongs to the technical field of traditional Chinese medicinal acne removal. The acne removing and skin cleansing lotion is prepared from a propolis extract product, white vinegar, white sugar water, rice washing water, green tea, a tomato extract liquid, a strawberry extract liquid, day lily, Herba Houttuyniae, Pseudobulbus Cremastrae seu Pleiones, dahurian angelica root, watermelon peel, loquat leaf, mulberry bark, Radix Scutellariae, Spica Prunellae and Syringa oblata alba. The traditional Chinese medicinal acne removing and skin cleansing lotion has the efficacies of oil removal and acne removal, and can be used to make masks, facial cleansers, acne removal creams and like cosmetics. The traditional Chinese medicinal acne removing and skin cleansing lotion solves the problems of large irritation and easy skin allergy of present acne removal cosmetics, is a safe, mild and lasting acne removal cosmetic with substantial bacterium preventing, inflammation eliminating, grease secretion balancing, wound healing promoting and pigmentation inhibiting functions, can eliminate local redness induced by acnes, can fade acne scars, has good acne regeneration resistance and acne removal effects, and is suitable for treating whelks and acnes of various people.

The invention discloses a plant-sourced liquid weedicide and a preparation method thereof. With natural plant leaves as raw materials, michelia alba leaves, lilac leaves and pterocarya stenoptera leave are ground and then immersed in clear water to obtain a mixed solution of plant active components. The natural plant active components contained in the plant-sourced liquid weedicide are degraded and volatilized very easily, do not pollute the environment, are environment-friendly and have a good effect of inhibiting weed growth, and the plant-sourced liquid weedicide can be applied to both grassy weeds and broad-leaved weeds and also has a good control effect on weeds resistant to chemical weedicides such as glyphosate. Tests show that the fresh fruit mass control effects of the plant-sourced liquid weedicide on bromegrass, ryegrass and bluegrass are 90.88%, 93.23% and 91.05% respectively, the fresh mass control effects thereof on sisymbrium sophia and lithospermum arvense are 90.78% and 92.34% respectively, and namely, the plant-sourced liquid weedicide has a relatively good control effect on both the grassy weeds and the broad-leaved weeds, has the fresh mass control effects higher than 90% and can be popularized and applied as a biological weedicide on a large scale.

The invention discloses a method for simultaneously separating and preparing syringoside and oleuropein from syringa oblata lindl. The method comprises the following steps: with syringa oblata lindl (Syringa oblata Lindl.) branches as a raw material, extracting by adopting a homogenization method; carrying out gradient elution by adopting two ethanol solutions with different concentration after adsorbing by a macroporous resin column; respectively carrying out column chromatography separation and recrystallization by adopting silica gel, so as to obtain syringoside crystal and oleuropein crystal. The method comprises the processes of syringoside extraction from the syringa oblata lindl, oleuropein extraction, macroporous resin and silica gel column separation and the like; the method has the advantages of being low in raw material cost, simple in process, and suitable for large-scale industrial production; the used solvent and resin can be recycled; and the purities of the obtained two products both are greater than 95%.

The invention relates to a method for detecting an Acanthopanax senticosus and Glycyrrhiza uralensis preparation. The Acanthopanax senticosus and Glycyrrhiza uralensis preparation comprises Acanthopanax senticosus and Glycyrrhiza uralensis. The method is characterized in that the method comprises a qualitative detection of the Acanthopanax senticosus and Glycyrrhiza uralensis preparation and a quantitative detection of the Acanthopanax senticosus and Glycyrrhiza uralensis preparation, wherein the qualitative detection is carried out for respective identification of Acanthopanax senticosus and Glycyrrhiza uralensis by thin layer chromatography, and the quantitative detection is carried out for respective detection of contents of syringing and glycyrrhizic acid by high performance liquid chromatography. The invention also relates to an application of the method.

The invention relates to a herbicide prepared by taking a lilac leaf extract as an active component as well as a preparation method and application of the herbicide. The herbicide prepared by taking the lilac leaf extract as the active component is prepared from the following components by mass percent: 70-80% of the active component and the balance of auxiliary components, wherein the auxiliary components comprise a surface active agent and filler. The components of the plant-derived herbicide provided by the invention originate from the plant bodies, and the bio-herbicide takes natural products as herbicidal active component, so that the herbicide is easily degraded and is safe and environment-friendly. The herbicide has a good prevention effect on gramineous and broad-leaved weeds, especially has a special effect for the broad-leaved weeds, and can be used as a selective herbicide for gramineous crops. Compared with the prior art, the plant-derived herbicide provided by the invention has the characteristics of being high in activity, remarkable in prevention effect, higher in selectivity, and the like. The herbicide has no harm to crops and no pollution to the environment, is free from pesticide residue, does not easily cause drug resistance, and is environmentally safe.

The invention discloses a medical disinfectant and a preparation method thereof and belongs to the technical field of medical disinfection. The medical disinfectant is prepared from raw materials in parts by weight as follows: 5-10 parts of a mint leaf extract, 5-10 parts of eucalyptus leaf essential oil, 5-8 parts of a lilac extract, 1-3 parts of essence, 1-3 parts of borneol, 100-150 parts of ethanol and 80-100 parts of water. The prepared medical disinfectant can be used as a spray and is suitable for daily disinfection of the medical occasion, the mint leaf extract, the eucalyptus leaf essential oil and the lilac extract are selected as bactericidal active substances to replace hydrogen peroxide, and the medical disinfectant has the advantages of good smell, no toxic or side effects onthe human body, high use durability, good disinfection effect and the like.

The invention discloses a clayed soil conditioner containing straw biomass charcoal. The clayed soil conditioner is prepared from the following raw materials in parts by weight: 1 to 2 parts of yellow phosphorus slag, 3 to 5 parts of humic acid, 4 to 6 parts of waste residues of a brewhouse, 40 to 60 parts of sand, 5 to 8 parts of oyster shell, 1 to 2 parts of pseudolari cortex, 1 to 2 parts of radix scutellariae, 0.8 to 1 part of garlic leaves, 0.2 to 0.4 part of herba hyperici perforati, 1 to 2 parts of syringa oblata, 130 to 140 parts of straws, 1 to 2 parts of alkyl glycoside, 0.2 to 0.3 part of glycine betaine, 0.4 to 0.8 part of carrageenan, and 1 to 2 parts of chitosan.

A raditional Chinese medicinal Fructus Broussonetiae pill for treating the hepatic cirrhosis disease mainly solves the disadvantages of bad curative effects and side effects of present western medicines for treating the hepatic cirrhosis disease. The pill comprises 50 parts of Fructus Broussonetiae, 20 parts of Poria cocos and 9 parts of Syringa oblata alba. The Fructus Broussonetiae is decocted three times in a concentrate manner, and the obtained decoctions are concentrated to form a paste; and the Poria cocos and the Syringa oblata alba which are fine powders are uniformly mixed with the concentrated paste to form a paste or a pill, the pill likes a phoenix tree seed in size, the pill is taken three times each day, and 6g of the pill is taken each time. The pill is taken until the urine is unobstructed and the swelling disappears. The pill has the advantages of hepatic cirrhosis disease effective-treatment rate of above 95%, hepatic cirrhosis disease cure rate of above 80%, and no toxic side effects.

The invention discloses a novel making formula of boiled pork slices, and belongs to the technical field of foods. The boiled park slices are made from 80-120 parts of pork lean, 1-3 parts of dried grapefruit peel, 16-30 parts of enoki mushroomes, 2-6 parts of fermented bean curd, 2-5 parts of fresh ginger, 5-9 parts of light soy sauce, 3-5 parts of mature vinegar, 0.5-1 part of star anise, 0.4-0.7 part of fructus gardeniae, 0.8-1.6 parts of perilla frutescens, 3-6 parts of fine salt, 20-30 parts of edible oil, 3-7 parts of pepper, 5-7 parts of dry chillies, 1-3 parts of chicken essence, 0.2-0.5 part of syringa oblata Lindl., 0.4-0.7 part of honeysuckle flowers, 2-7 parts of fragrant garlic, 4-7 parts of rice wine, 0.2-0.5 part of semen myristicae, 0.1-0.5 part of herba menthae, 6-12 parts of pickled mustard-green, 1-3 parts of starch, 15-30 parts of Chinese leaf lettuces and 3-5 parts of fermented soyabeans. According to the novel making formula of the boiled pork slices, the fresh and spicy taste is kept, and meanwhile the risk caused by the fact that a person is prone to get inflamed by eating too much is effectively reduced.

The invention particularly relates to a preparation technology of a special odor removal refreshing agent for kitchen and bath, and belongs to the technical field of refreshing agents. The refreshingagent is prepared from the following ingredients of jasmine flowers, pawpaws, pineapples, astragalus membranaceus, mature ginger, flowers of syringa oblata lindl, flowers of wisteria sinensis sweet, green heart orange young fruits, herba portulacae and the like. The refreshing agent takes combined plant ingredients as raw materials, is healthy and non-poisonous, green and environmentally friendly.Jasmin oil can be extracted from jasmine flowers, and the main ingredients in the jasmin oil are benzyl alcohol and esters which have the effects of inflammation diminishing and detoxification. Flowers of syringa oblata linda contain eugenol which has very strong sterilizing power. Aromatic oil can be extracted from flowers of wisteria sinensis sweet, contains cyanide, can prevent alcohol from rot and deterioration, and has the efficacy of killing insects and removing odors. The green heart orange young fruits, alias orange young fruits, belongs to a small leaf early sprouting species, is suitable for making green tea particularly the variety of longjing tea, and tea polyphenol contained in green heart orange young fruits has very strong oxidation resistance and physiological activity, isa scavenging agent for biological free radicals, and can block forming of a variety of cancerogenic substances such as ammonium nitrite.

A facial mask for removing acne scars consists of: 20-30 parts of Angelica dahurica, 40-50 parts of Bletilla striata, 40-50 parts of Bai Poria, 40-50 parts of Radix Sinensis, 35-45 parts of white silkworm, 40-50 parts of Atractylodes macrocephala, 40-50 parts of cloves, 20-30 parts of mung beans, 10-15 parts of chrysanthemums, 15-20 parts of pearl powder, 40-50 parts of coix seed. The advantages are: heat-clearing and damp-drying, sterilizing, lightening and whitening, moisturizing and wrinkle-removing, softening the skin, and eliminating the marks left by acne on the face.

The invention discloses a preparation process and a quality control method of an Eleutherococcus senticosus reference extract, the Eleutherococcus senticosus reference extract is prepared by decocting and extracting Eleutherococcus senticosus decoction pieces as a raw material, in the preparation process, the powder yield and the content of syringin which is an effective substance can be effectively controlled by reasonably controlling the decoction times, the water addition amount, the decoction time and the like, the stability of the radix acanthopanacis senticosi reference extract component is ensured, and the process is stable in operation. The quality control method can realize the stability and reliability of the preparation process of the Eleutherococcus senticosus reference extract.

The invention discloses a traditional Chinese medicine formula capable of removing freckles and whitening. The traditional Chinese medicine formula is prepared from the following raw materials in parts by weight: 20-30 parts of gleditschia horrida, 20-40 parts of Kwa roots, 20-40 parts of radix angelicae, 20-40 parts of vigna radiata, 30-40 parts of hyacinth bletilla, 20-30 parts of radix ampelopsis, 20-40 parts of bombyx batryticatus, 25-35 parts of rhizoma typhonii, 20-30 parts of pearl essence, 20-40 parts of sandalwood, 30-40 parts of spikenard, 25-40 parts of rhizoma kaempferiae, 20-40 parts of radix saposhnikoviae, 20-40 parts of Syringa oblata, 30-40 parts of hawk dung white, 20-30 parts of pharbitis choisy, 20-40 parts of tribulus terrestris, 20-40 parts of cortex dictamni, 30-40 parts of white poria cocos, 25-35 parts of radix platycodonis and 20-40 parts of rumex madaio. The invention further discloses two use methods for the traditional Chinese medicine formula, i.e., the traditional Chinese medicine formula is separately prepared into facial masks and pills for use. The formula disclosed by the invention is reasonable in proportioning ratio and free of toxic or side effects and is safe and natural, and prepared freckle-removing whitening traditional Chinese medicine facial masks and freckle-removing whitening traditional Chinese medicine pills are convenient in use,have the effects of moistening, nourishing, dispelling facial color spots and whitening skin and are applicable to a variety of crowds.

The invention relates to an agent for treating cervical hypertrophy. The agent is prepared from the following materials in parts by weight: 1-10 parts of stylophorum lasiocarpum, 10-20 parts of selaginella delicatula, 10-20 parts of root of common peony, 1-10 parts of liquorice root, 10-20 parts of bunge corydalis herb, 1-10 parts of medicinal cyathula root, 1-10 parts of morinda officinalis, 10-20 parts of tengyuch euonymus bark, 1-10 parts of periostracum cicada, 10-20 parts of etlingera yunnanense, 1-10 parts of ilex serrata, 10-20 parts of phtheirospermum japonicum, 1-10 parts of korsakow's monochoria, 10-20 parts of buddleia officinalis maxim, 1-10 parts of calendula root, 5-15 parts of tamarix chinensis, 1-10 parts of fruit of indigo plant, 5-15 parts of syringa oblata lindl, 10-20 parts of woodfordia fruticosa, 1-10 parts of Chinese buckeye seeds and 10-20 parts of pleurotus albellus. The agent disclosed by the invention has a significant effect on treatment of cervical hypertrophy, and is worthy of clinical application and popularization.

The invention discloses a grape beverage. The grape beverage is prepared from the following raw materials in parts by weight of 50-100 parts of grapes, 50-100 parts of rosa roxburghii tratt fruits, 20-50 parts of blueberry fruits, 5-15 parts of honey, 5-15 parts of Chinese wolfberry fruits, 10-30 parts of passion fruits, 10-30 parts of red jujubes, 2-5 parts of dried rose flowers, 2-5 parts of dried syringa oblata, 30-60 parts of white granulated sugar, and 500-1000 parts of water. Various fruits are used for preparing the beverage, so that the beverage is rich in various nutrient elements, absorption requirements of people for trace elements are met, the nutrient value is high, and various fruits can provide various taste and can bring different experience for people. The beverage also has delicate fragrance of flowers, and is easier to love by people.

The invention discloses a traditional Chinese medicine composition for treating periodontitis and a preparation method thereof. The composition is characterized in that the components and weight ratio of raw materials of the effective components in the composition are 150-400 of lilac leaves and 25-250 of licorice. The preparation method comprises the following steps: the lilac leaves and the licorice are taken by weigh ratio; the lilac leaves and the licorice are made into micropowder by the ultrafine powder method, mixed evenly and filled in capsules, thus obtaining the composition. The composition has the good efficacies of relieving inflammation, swelling and pain and is mainly used for treating periodontitis and gingivitis, which has good curative effect, takes effect quickly, no adverse reaction and convenient use.

The invention discloses a traditional Chinese preparation for treating gastropathy. The traditional Chinese preparation for treating gastropathy is characterized by comprising the following components by weight part: 15-25 parts of charred fructus crataegi, 10-20 parts of radix glycyrrhizae, 12-18 parts of magnolia officinalis, 6-12 parts of syringa oblata, 5-15 parts of fructus ammomi rotundus, 6-12 parts of tuber pinellia and the like. The components of the traditional Chinese preparation disclosed by the invention supplement each other by drawing upon the strength of each other to increase the efficacy, is low in cost, and has no toxic or side effect and the functions of soothing and softening the liver, activating stagnation and regulating stomach, strengthening spleen and supplementing qi, and promoting blood circulation, removing blood stasis and easing pain. The traditional Chinese preparation is warm but not dry, is supplementary without stagnation, is a mild medicine and can be administrated for long term; long-term clinical practice shows that the traditional Chinese preparation has no any toxic or side effect.

The invention relates to an agent for treating cervical hypertrophy. The agent is prepared from the following materials in parts by weight: 1-10 parts of stylophorum lasiocarpum, 10-20 parts of selaginella delicatula, 10-20 parts of root of common peony, 1-10 parts of liquorice root, 10-20 parts of bunge corydalis herb, 1-10 parts of medicinal cyathula root, 1-10 parts of morinda officinalis, 10-20 parts of tengyuch euonymus bark, 1-10 parts of periostracum cicada, 10-20 parts of etlingera yunnanense, 1-10 parts of ilex serrata, 10-20 parts of phtheirospermum japonicum, 1-10 parts of korsakow's monochoria, 10-20 parts of buddleia officinalis maxim, 1-10 parts of calendula root, 5-15 parts of tamarix chinensis, 1-10 parts of fruit of indigo plant, 5-15 parts of syringa oblata lindl, 10-20 parts of woodfordia fruticosa, 1-10 parts of Chinese buckeye seeds and 10-20 parts of pleurotus albellus. The agent disclosed by the invention has a significant effect on treatment of cervical hypertrophy, and is worthy of clinical application and popularization.

A preparation method of a pockmark removal mask comprises the following steps: removing impurities from 20-30 parts of dahurian angelica root, 40-50 parts of bletilla striata, 40-50 parts of Smilax scobinicaulis C.H. Wright, 40-50 parts of Ampelopsis japonica, 35-45 parts of silkworm larva, 40-50 parts of Rhizoma Atractylodis Macrocephalae, 40-50 parts of Syringa oblata alba, 20-30 parts of mung bean, 10-15 parts of chrysanthemum flower, 15-20 parts of pearl powder and 40-50 parts of pearl powder, cleaning above materials, drying the cleaned medicinal materials at a temperature not exceeding 70DEG C, crushing the dried medicinal materials, grinding the crushed medicinal materials, sieving the ground medicinal materials by a 120 mesh sieve, uniformly stirring above medicinal material powder, bagging the stirred powder, and carrying out cobalt 60 irradiation disinfection. . The mask has the efficacy of clearing heat, drying dampness, sterilizing, fading spots, whitening, moistening skins, removing wrinkles, softening skins, and eliminating pockmarks on faces.

The invention discloses a flower bud stem cell and an extraction method thereof, and a flower bud stem cell essence. The extraction method comprises the following steps: A, collecting gardenia flower buds, lilac flower buds, lotus flower buds and crithmum maritimum flower buds, cleaning the collected flower buds, disinfecting and sterilizing the surfaces of the flower buds, and respectively selecting three healthy petals in each bud to extract stem cells; B, cutting the gardenia flower buds, the lilac flower buds, the lotus flower buds and the crithmum maritimum flower buds into shapes with a length of 3 mm, a width of 3 mm and a height of 2 mm, wherein each piece contains a cambium; and C, treating each prepared flower bud by using a high-pressure penetrating fluid so as to allow cortex in differentiated tissue to be inactivated, wherein the cambium is kept active. The extraction method disclosed by the invention is short in culture period and high in yield and active ingredient content; the flower bud stem cells can reduce wrinkles; and the flower bud stem cell essence disclosed by the invention can effectively reduce wrinkles and make skin smoother.

The invention relates to a returned pigment removing, spot removing, whitening and skin caring cream and a preparation technology thereof. The cream comprises, by weight, 1-2 parts of camellia, 1-2 parts of Syringa oblata alba, 2-5 parts of bletilla striata, 1-2 parts of Typhonium giganteum Engl., 30-50 parts of safflower, 25-30 parts of Radix Codonopsis, 35-40 parts of Rhizoma Polygoni Cuspidati, 30-50 parts of apricot kernel, 60-70 parts of wheat, 5-8 parts of Santalum album L., 3-6 parts of Siebold Wildginger Herb, 3-6 parts of Divaricate Saposhnikovia Root, 3-6 parts of Radix et Rhizoma Nardostachyos, 1-3 parts of dahurian angelica root, 5-10 parts of glycerol, 8-10 parts of tea polyphenol, 20-30 parts of embryo oil, 20-30 parts of arbutin, 10-15 parts of tartaric acid, 10-15 parts of glycerin, 10-15 parts of ethanol, 10-15 parts of liquid paraffin, 10-15 parts of ethylparaben, 10-15 parts of plant essence, 10-15 parts of white Vaseline, 100-150 parts of deionized water, 6-8 parts of lemon powder, 5-8 parts of aloe powder and 3-4 parts of dahurian angelica root. The cream fundamentally solves skin darkening, pigment return and other beauty treatment problems, and has the advantages of obvious effect, no toxic side effects and convenience for popularization.

The invention provides a method for extracting hydroxytyrosol from syringa oblata. By means of hydrolytic in-situ extraction, ester bonds in oleuropein can be hydrolyzed totally and transformed into free hydroxytyrosol, so that content of hydroxytyrosol in extract liquor is increased, wherein OH-ion exchange resin serves as a catalyst to promote hydrolysis of oleuropein, and a chlorinated solventserves as an extracting agent to extract free hydroxytyrosol. Therefore, in the hydrolytic in-situ extraction process, hydrolysis of oleuropein and extraction of free hydroxytyrosol are completed simultaneously. Meanwhile, with adoption of the hydrolytic in-situ extraction, complicated two steps of operation for hydrolysis and extraction are avoided effectively, operation procedures and solvent dosage are reduced, production cost is low, and yield of hydroxytyrosol is high.

The invention discloses a syringa oblata flower essential oil extraction device and a use method thereof.The syringa oblata flower essential oil extraction device comprises a bottom plate, supporting legs are welded to the top of the bottom plate, the number of the supporting legs is four, the supporting legs are arranged in a rectangular array, mounting parts are welded to the tops of the supporting legs, and the mounting parts are of a disc-shaped structure; an extraction bin is welded to the top of the mounting part, supporting plates are welded to the positions, located on the two sides of the extraction bin, of the top of the mounting part, and the two sets of supporting plates are correspondingly arranged in parallel. According to the syringa oblata flower essential oil extraction device and the use method thereof, the hatch cover during lifting is arranged to be matched with the heating bin of a movable structure, so that the heating bin can be directly taken out to clean internal flower raw materials after essential oil extraction operation is carried out, convenience is provided for cleaning work of workers to a certain extent, and the working efficiency is improved. Meanwhile, the working efficiency of flower extraction is improved to a certain extent, and the practicability of the device is greatly improved.