38 results about "Malus toringoides" patented technology

The invention relates to the technical field of Chinese medicinal materials, and in particular to a method for preparing an altitude stress resistant medicament. The method comprises the following steps: (1) preparing thick pastes of safflower, rhodiola and Tibet coriander; (2) preparing dry malus toringoides powder; and (3) mixing raw materials. A lozenge prepared by adopting the method can effectively relieve headache, anorexia, lassitude, weakness, dizziness and the like caused by altitude stress, and provides a new choice for clinically preventing and treating altitude stress symptoms and relieving various symptoms caused by altitude stress.

The invention provides a method for separating and purifying phloretin. According to the method, enzymolysis or acid hydrolysis is not adopted, the phloretin is separated from rosaceae Malus Sect. Sorbomalus plant first, the purity of the prepared phloretin can reach over 98 percent, and the phloretin is high in recovery rate; and the method provides a new way for the separation and puridicaiton of the phloretin, and basis is established for research on the exclusive components of the Malus toringoides(Rehd.) Hughes. and the Malus tiansitoria(Batal.)Schneid. simultaneously.

The invention discloses a cutting seedling method for malus toringoides. The cutting seedling method for the malus toringoides comprises the following steps of treating a cutting bed; laying cobblestones under the cutting bed; laying a window gauze on the cutting bed; laying mixing materials comprising nutrient soil and perlite on the window gauze; sterilizing soil; shearing semi-lignified branches, which grow normally, are not affected by plant diseases and insect pests and have plump buds, from a malus toringoides seed tree with the age about 10 years; timely bringing back the branches and manufacturing cutting slips; performing earlier-stage treatment on the cutting slips and performing cutting; and performing management after cutting. By using the cutting seedling method, the operation is simple, the yield is high, requirements on production of nursery-grown plants of the malus toringoides can be met, and the nutrient soil 3 and the perlite 1 serve as a cutting medium which is loose and breathable, has rich nutrition and can provide nutrition for the nursery-grown plants during earlier-stage growth. After the cutting slips are rapidly dipped in 1200mg / L of naphthaleneacetic acid liquor, cutting can be directly performed on the cutting slips, the cutting time is shortened, and the work efficiency is improved; the cutting yield is higher than 90%; the nursery-grown plants grow healthily and strongly; and the excellent performance of the maternal malus toringoides is kept. Compared with a seed raising method, the cutting seedling method has the advantages that cutting propagation is not limited by seasons, branches can be treated by cutting immediately after being shearing from the tree, and the operation is simple and feasible.

The invention provides health protection tea, which is prepared by adoption of leaves, roots, barks or stems of Malus toringoides(Rehd.) H ughes as raw materials. The invention also provides a method for preparing the health protection tea and application of the health protection tea. The health protection tea not only has good luster and mouthfeel but also has good health protection efficacy. As proved by clinical experiments, the health protection tea has obvious function of reducing blood fat and blood sugar after being continuously drunk for 15 to 30 days, wherein people drink 1 to 2 packets of the health protection tea per day (each packet of the health protection tea contains 0.5 to 10 grams of the Malus toringoides(Rehd.) H ughes as calculated by the prior crude drug and preferably contains 2 grams of the Malus toringoides(Rehd.) H ughes).

The invention discloses a seedling method for improving the emergence rate of malus toringoides seeds. The seedling method comprises the steps of when malus toringoides fruits turn red or dark red, collecting the malus toringoides fruits, drying full seeds obtained from the malus toringoides fruits in shade in a room, packing the seeds into a sack, and storing on a ventilated place; carrying out after-ripening on an embryo after cold stratification; carrying out deep-ploughing in a selected nursery land for one time in the winter of the last year, and making a seedbed which is lightly protruded in middle according to 120cm width, 10cm height and about 25cm width of step ditch; loosening soil in the last ten-day period of March of the next year, applying a composite fertilizer as a base fertilizer, and disinfecting the soil; seeding through an artificial sowing way, covering with humus soil, completely watering for one time, building a plastic tent for preserving the heat and covering in a moisture-preserving manner; and after seeding, keeping the seedbed wet, removing a mulching film in real time when buds begin to hump, and carrying out final-singling by a plant spacing of 8-10cm when 4-6 true leaves appear on each of the seedlings. The seedling method adopts a manner of directly seeding after adopting the cold stratification for one time, is simple and easy in operation, and reduces seed usage and seedling cost; and the seed emergence rate is greater than 60%, so that the seedlings are stronger in growth.

The invention discloses a traditional Chinese medicine composite extract containing nepeta angustifolia and having skin whitening and moisturizing function. The composite extract is prepared from, by weight, 10-30 parts of nepeta angustifolia10-40 parts of lycium ruthenicum murr, 10-30 parts of malus toringoides, 10-40 parts of highland barley and 10-30 parts of sealwort. The traditional Chinese medicine composite extract containing nepeta angustifolia is characterized by being capable of whitening and moisturizing skin and being natural and safe; meanwhile, inner components of the composite extract conduct synergistic interactions.

The invention discloses an extract of fructus malus toringoides and fructus malus tiansitoria and a preparation and detection method of 2-O-beta-D-glucopyranosyl-L-ascorbic acid from the fructus malustoringoides and fructus malus tiansitoria. Experimental results show that the 2-O-beta-D-glucopyranosyl-L-ascorbic acid is successfully separated from the fructus malus toringoides and fructus malustiansitoria, and is discovered in the fructus malus toringoides and fructus malus tiansitoria for the first time. Therefore, the 2-O-beta-D-glucopyranosyl-L-ascorbic acid can be used for the identification and quality control over the fructus malus toringoides and fructus malus tiansitoria, and a foundation is laid for the excavation of pharmacodynamic effects of the fructus malus toringoides andfructus malus tiansitoria.

The invention discloses a malus toringoides leaf extract tablet and a preparation method thereof, and relates to the field of pharmaceutical preparations. According to the present invention, the malustoringoides leaf extract tablet is prepared by using a malus toringoides leaf extract, a slow release agent, a filler and an adhesive as raw materials, wherein the malus toringoides leaf extract is prepared through microbial fermentation; the malus toringoides leaf extract has slow release property and blood glucose lowering effect; after the malus toringoides leaf extract is prepared into the molded tablet, the application range of the malus toringoides leaf is expanded, and the quality of the malus toringoides leaf can be controlled so as to improve the application safety; the slow releaseagent contains the corrosive and hydrophilic gelling slow-release framework materials, such that the suitable drug release rate can be achieved through the combination of the two materials; and the malus toringoides leaf extract tablet preparation method has advantages of reasonable process, simpleness and easy performing.

The invention provides a quality detection method of malus toringoides fruits, which adopts high performance liquid chromatography for detection, and comprises the following operation steps of: (1) preparation of a reference substance solution: taking a Chinese wolfberry acid reference substance, and adding water for dissolving to obtain the reference substance solution; (2) preparation of a testsolution: taking a to-be-detected sample, adding water for extraction, filtering, and taking subsequent filtrate as the test solution; (3) respectively sucking the reference solution and the test solution and injecting the reference solution and the test solution into a liquid chromatograph, wherein the chromatographic conditions are as follows: a chromatographic column uses octadecylsilane chemically bonded silica as a filler; and acetonitrile is used as a mobile phase A and 0.1% phosphoric acid solution is used as a mobile phase B for gradient elution. According to the quality detection method of malus toringoides fruit decoction pieces, the Chinese wolfberry acid is used as a determination index of the malus toringoides fruits and the decoction pieces of the malus toringoides fruits, good biological activity and certain specificity are achieved, a simpler and more effective method is provided for quality control over the malus toringoides fruit decoction pieces, and the method has awide application prospect.

The invention discloses malus toringoides fruit and leaf black tea and a preparation method thereof, and relates to the technical field of preparation of black tea. The preparation method of the malustoringoides fruit and leaf black tea comprises the following steps of respectively pretreating malus toringoides fruits and malus toringoides leaves as raw materials, performing aerobic fermentationon the malus toringoides fruits, taking fermentation liquor, withering the malus toringoides leaves, performing rolling, mixing the fermentation liquor with the malus toringoides leaves in proportion,then performing fermentation once again, and performing classified drying on the obtained malus toringoides leaves so as to obtain the malus toringoides fruit and leaf black tea. The malus toringoides fruit and leaf black tea is prepared through the method. The malus toringoides leaves and the malus toringoides fruits are used as raw materials for preparing the malus toringoides fruit and leaf black tea, so that the application thought of the malus toringoides fruits and leaves is developed, the mouth feel of the malus toringoides fruit and leaf black tea is improved, and the flavor of the malus toringoides fruit and leaf black tea is enriched. The malus toringoides fruits generate ferment in the first-time aerobic fermentation process, the ferment can generate physiological activity after being absorbed by human bodies, and various physiological reactions can be catalyzed. The malus toringoides leaves generate new taste-increasing aroma-increasing substances under the double action of an enzymatic reaction and microbial fermentation in the second-time aerobic fermentation process, so that the malus toringoides fruit and leaf black tea is rich in fragrance and mellow in taste.

The invention provides a compound extracted and separated from Tibetan medicine malus toringoides as well as a method and an application of the compound, belonging to the technical field of plant chemistry. The compound is structurally characterized by being as shown in the specification, and the chemical name of the compound is 1,2-epoxy-1-(3,4-dyhydroxyl-pheny)-3-(2,4,6-trihydroxyl-phenyl)-propane. The extraction and separation method comprises the following steps: crushing dried malus toringoides leaves, adding ethanol, heating for reflux extraction, performing vacuum concentration till no alcohol is generated, adding a proper amount of water for dispersion, extracting by using ethyl acetate and n-butyl alcohol in sequence, recycling a solvent so as to obtain ethyl acetate extract, n-butyl alcohol extract and water phase, completely dissolving the n-butyl alcohol extract by using pure methanol, filtering by using a micro-pore filtering membrane of 0.45mu m, performing high pressure preparation separation on the filtrate by using C18 reversion phase chromatography packing, collecting corresponding chromatographic peaks, and concentrating the collecting liquid, thereby obtaining a gray powder product. The compound can be used for preparing an antibacterial medicine.

The invention discloses a traditional Chinese medicine combination extract with effects of removing beverage and whitening skin. The traditional Chinese medicine combination extract is prepared from the following traditional Chinese medicine raw materials in parts by weight: 10-40 parts of black lycium barbarum leaves, 10-40 parts of panax notoginseng leaves, 10-30 parts of nepeta hemsleyana,10-30 parts of malus toringoides leaves and 10-30 parts of lamiophlomis rotate. The traditional Chinese medicine combination extract disclosed by the invention has the characteristics of beverage removal and skin whitening, nature and safety and synergistic interaction.

The invention discloses a traditional Chinese medicine composition extract with an effect of acne removal and whitening. The composition extract is prepared from the following traditional Chinese medicine raw materials in parts by weight: 10-40 parts of black Chinese wolfberry leaf, 10-30 parts of notoginseng leaf, 10-40 parts of emblic leafflower fruit, 10-30 parts of nepeta angustifolia, and 10-30 parts of malus toringoides leaf. The traditional Chinese medicine composition extract has the characteristics of removing acnes, whitening, being natural and safe, and achieving a synergistic effect.

The invention discloses a malus toringoides leave and sea buckthorn functional food and a preparation method thereof. The malus toringoides leave and sea buckthorn functional food is prepared from thefollowing raw materials in percentage by mass: 20 to 80 percent of malus toringoides leave and 20 to 80 percent of sea buckthorn. The preparation method of the malus toringoides leave and sea buckthorn functional food comprises the following steps: pretreating the malus toringoides leave and the sea buckthorn and then adding ethanol for reflux extraction; combining the obtained filtrate, recovering ethanol, dispersing extract by using hot water, standing, centrifuging, precipitating and carrying out vacuum drying; adding maltodextrin, preparing a soft material, granulating, drying and granulating to obtain total particles, thus obtaining the malus toringoides leave and sea buckthorn functional food. The research on the malus toringoides leave and sea buckthorn functional food disclosed bythe invention shows that after the combination of various raw materials, a synergistic effect is played; the malus toringoides leave and sea buckthorn functional food has obvious effects of loweringblood sugar and lowering blood lipid.

The invention provides application of Malus toringoides and / or Malus toringoides extract in the preparation of drugs for preventing and treating nonalcoholic liver diseases and / or nonalcoholic liver injury. The Malus toringoides and / or Malus toringoides extract have an evident preventing and treating effect on the nonalcoholic liver diseases. Application results show that the Malus toringoides extract can effectively inhibit hepatic index increasing so as to inhibit non-alcoholic fatty liver; the Malus toringoides can effectively inhibit fat accumulation, caused by long-term high-fat diet, inliver cells. The Malus toringoides and the Malus toringoides extract used for preparing the drugs for preventing and treating the nonalcoholic liver diseases have the advantages that the Malus toringoides is a wide-ranging species in China and cheap; the Malus toringoides is an edible natural plant material, so that the Malus toringoides is high in safety; the extraction and preparation process ofthe Malus toringoides is convenient and simple.

The invention discloses a cutting seedling method for malus toringoides. The cutting seedling method for the malus toringoides comprises the following steps of treating a cutting bed; laying cobblestones under the cutting bed; laying a window gauze on the cutting bed; laying mixing materials comprising nutrient soil and perlite on the window gauze; sterilizing soil; shearing semi-lignified branches, which grow normally, are not affected by plant diseases and insect pests and have plump buds, from a malus toringoides seed tree with the age about 10 years; timely bringing back the branches and manufacturing cutting slips; performing earlier-stage treatment on the cutting slips and performing cutting; and performing management after cutting. By using the cutting seedling method, the operation is simple, the yield is high, requirements on production of nursery-grown plants of the malus toringoides can be met, and the nutrient soil 3 and the perlite 1 serve as a cutting medium which is loose and breathable, has rich nutrition and can provide nutrition for the nursery-grown plants during earlier-stage growth. After the cutting slips are rapidly dipped in 1200mg / L of naphthaleneacetic acid liquor, cutting can be directly performed on the cutting slips, the cutting time is shortened, and the work efficiency is improved; the cutting yield is higher than 90%; the nursery-grown plants grow healthily and strongly; and the excellent performance of the maternal malus toringoides is kept. Compared with a seed raising method, the cutting seedling method has the advantages that cutting propagation is not limited by seasons, branches can be treated by cutting immediately after being shearing from the tree, and the operation is simple and feasible.

The invention discloses a processing technology of malus toringoides fruit and leaf brick tea, and relates to the technical field of production technologies of tea leaves. The processing technology ofthe malus toringoides fruit and leaf brick tea, provided by the invention, comprises the following steps of screening tea leaves and tea stems of the malus toringoides fruit and leaf tea, sequentially adding water, performing piling, performing pile fermentation, performing steaming, performing compression moulding, drying brick tea, performing drying and performing aging so as to obtain the malus toringoides fruit and leaf brick tea, wherein the screening is performed through the standard that the content of the tea stems is 14-20%. The malus toringoides fruit and leaf tea leaves are processed into the malus toringoides fruit and leaf brick tea, so that the product form of the malus toringoides fruit and leaf tea is increased, and the application range of the malus toringoides fruit andleaf tea is enlarged; the market coverage of the malus toringoides fruit and leaf brick tea is increased; and a certain proportion of the tea stems are added as raw materials, so that the utilizationrate of the raw materials is increased, and the content of nutrient components is increased. In the processing technology, unique pile fermentation, purification and programmed warming and drying processes are adopted, so that nutrient substances in fresh tea leaves are reserved furthest and converted into effective components in the malus toringoides fruit and leaf brick tea, unique flavor of themalus toringoides fruit and leaf brick tea is formed, and besides, the malus toringoides fruit and leaf brick tea is hard in body and easy to store.

The invention discloses a malus toringoides flavone-beta-cyclodextrin inclusion compound and a preparation method thereof and relates to the field of medicine preparation. The malus toringoides flavone-beta-cyclodextrin inclusion compound comprises malus toringoides flavone and beta-cyclodextrin according to a mass ratio of 1:2. The preparation method comprises the following steps: respectively dissolving malus toringoides flavone and beta-cyclodextrin into absolute ethyl alcohol and deionized water so as to form saturated solutions; under stirring, heating the beta-cyclodextrin saturated solution to 80 DEG C, adding the malus toringoides flavone saturated solution, and performing a reaction for 3 hours continuously; performing freeze-drying, thereby obtaining a crude product. As the malustoringoides flavone is prepared into the beta-cyclodextrin inclusion compound, the application way of malus toringoides is widened, and in addition quality controllability is achieved after the malustoringoides is prepared into a molded preparation. The invention provides a reasonable and feasible preparation method, the preparation method is simple, convenient and feasible, the prepared inclusion compound is soft, fine and uniform powder, malus toringoides flavone which does not enter the beta-cyclodextrin can be easily removed, stable quality is achieved, and testing of medicine propertiesis not affected.

The invention relates to a capsule health care product by taking plateau Malus toringoides as a main raw material, which has special efficacies of anoxia resistance, fatigue resistance and prevention of altitude stress. Plateau Malus toringoides extract is used as the raw material of the capsule health care product for anoxia resistance, fatigue resistance and prevention of altitude stress for the first time.

The invention discloses a malus toringoides fruit extract and pharmaceutical application thereof. The preparation method of the malus toringoides fruit extract comprises the following steps: taking malus toringoides fruits, extracting with 50-80% ethanol as an extraction solvent, filtering, and taking filtrate to obtain the malus toringoides fruit extract. Experiments show that the malus toringoides fruit extract not only can effectively inhibit the growth of gastric cancer cells, but also has a good antioxidant function, and also has a good protective effect on liver injury caused by CC14. Therefore, the malus toringoides fruit and the malus toringoides fruit extract have very good application prospects in preparation of medicines for preventing and / or treating gastric cancer, medicines or health care products for protecting liver injury and medicines or health care products for resisting oxidation.

The invention discloses malus toringoides fruit and leaf brick tea and a preparation method thereof, and relates to the technical field of production technologies of tea leaves. The malus toringoidesfruit and leaf brick tea provided by the invention is high in the content of effective components and unique in flavor. The preparation method of the malus toringoides fruit and leaf brick tea comprises the following steps of sequentially adding water to malus toringoides fruit and leaf tea leaves, performing pile fermentation, performing steaming, adding a tea extract, performing compression moulding, performing secondary fermentation and performing low temperature drying, wherein the tea extract is prepared through the steps of adding water to tea stems and / or tea fruits, performing decoction and taking juice, before decoction, the ratio of a solute to a solution is 1 to (15-20)(kg:L), and boiling is performed for 2-4h. According to the preparation method, the malus toringoides fruit andleaf tea leaves are processed into the malus toringoides fruit and leaf brick tea, so that the product form of the malus toringoides fruit and leaf tea is increased, and the application scope of themalus toringoides fruit and leaf brick tea is enlarged; a secondary fermentation technology is adopted, so that nutrient substances in the fresh tea leaves are reserved and converted into effective components in the malus toringoides fruit and leaf brick tea, the nutrient value of the malus toringoides fruit and leaf brick tea is increased, and peculiar flavor is formed; and the tea extract is added, so that the content of nutrient components of the malus toringoides fruit and leaf brick tea is directly increased, the adhesive property of tea leaves is improved, and the secondary fermentationis facilitated.

The invention discloses malus toringoides fruit and leaf black tea and a preparation method thereof, and relates to the technical field of preparation of black tea. The preparation method of the malustoringoides fruit and leaf black tea comprises the following steps of respectively pretreating malus toringoides fruits and malus toringoides leaves as raw materials, performing aerobic fermentationon the malus toringoides fruits, taking fermentation liquor, withering the malus toringoides leaves, performing rolling, mixing the fermentation liquor with the malus toringoides leaves in proportion,then performing fermentation once again, and performing classified drying on the obtained malus toringoides leaves so as to obtain the malus toringoides fruit and leaf black tea. The malus toringoides fruit and leaf black tea is prepared through the method. The malus toringoides leaves and the malus toringoides fruits are used as raw materials for preparing the malus toringoides fruit and leaf black tea, so that the application thought of the malus toringoides fruits and leaves is developed, the mouth feel of the malus toringoides fruit and leaf black tea is improved, and the flavor of the malus toringoides fruit and leaf black tea is enriched. The malus toringoides fruits generate ferment in the first-time aerobic fermentation process, the ferment can generate physiological activity after being absorbed by human bodies, and various physiological reactions can be catalyzed. The malus toringoides leaves generate new taste-increasing aroma-increasing substances under the double action of an enzymatic reaction and microbial fermentation in the second-time aerobic fermentation process, so that the malus toringoides fruit and leaf black tea is rich in fragrance and mellow in taste.

The invention discloses a seedling raising method for increasing the germination rate of crabapple seeds. When the fruit of crabapple becomes red or dark red, the fruit of crabapple is collected, and the plump seeds obtained from the fruit of crabapple are placed indoors to dry in the shade. And put it into a sack and store it in a ventilated place; use low-temperature stratification treatment to complete the post-ripening of the embryo; carry out 1 deep plowing in the selected nursery field in the previous winter, and use it as the center with a width of 120cm, a height of 10cm, and a step width of about 25cm. Slightly raised seedbed; loosen the soil in late March of the second year, apply compound fertilizer as base fertilizer, and disinfect the soil; use artificial sowing to sow, cover with humus soil, water once, and build a plastic shed for heat preservation and moisturizing coverage ; Keep the seedbed moist after sowing, and remove the plastic film in time when the young shoots dig into the soil. When the seedlings grow to 4-6 true leaves, the seedlings are fixed at a distance of 8-10 cm; It is easy to implement, reduces the amount of seeds used and the cost of raising seedlings is low, the emergence rate of seeds reaches more than 60%, and the growth of seedlings is more robust.

The invention provides health protection tea, which is prepared by adoption of leaves, roots, barks or stems of Malus toringoides(Rehd.) H ughes as raw materials. The invention also provides a method for preparing the health protection tea and application of the health protection tea. The health protection tea not only has good luster and mouthfeel but also has good health protection efficacy. Asproved by clinical experiments, the health protection tea has obvious function of reducing blood fat and blood sugar after being continuously drunk for 15 to 30 days, wherein people drink 1 to 2 packets of the health protection tea per day (each packet of the health protection tea contains 0.5 to 10 grams of the Malus toringoides(Rehd.) H ughes as calculated by the prior crude drug and preferablycontains 2 grams of the Malus toringoides(Rehd.) H ughes).

The present invention discloses a method for extracting yellow pigment from Malus toringoides. The method comprises: 1, drying juiced Malus toringoides fiber residue; 2, cooling the dried fiber residue to a room temperature, and repeatedly crushing until completely screening; 3, mixing the crushed fiber residue, ethanol and a chloroform solution, repeatedly leaching and filtering, and separating to obtain a supernatant; 4, adjusting the PH value of the supernatant to 4-5 with KOH, and adsorbing the effective component phlorizin in the solution by using an adsorption resin; 5, carrying out elution with ethanol, concentrating, and drying to obtain phlorizin; 6, adding the phlorizin, glucosidase and polyphenol oxidase to an acetic acid-sodium acetate buffer solution, introducing oxygen, stirring, carrying out an enzyme catalysis conversion reaction, heating to inactivate the enzyme after completing the reaction, extracting with ethanol, concentrating the lower layer aqueous phase, and drying; 7, dissolving the dried crude product in methanol, removing the buffer salt, concentrating the supernatant, and drying to obtain the yellow pigment fine produt.

The invention provides a compound extracted and separated from Tibetan medicine malus toringoides as well as a method and an application of the compound, belonging to the technical field of plant chemistry. The compound is structurally characterized by being as shown in the specification, and the chemical name of the compound is 1,2-epoxy-1-(3,4-dyhydroxyl-pheny)-3-(2,4,6-trihydroxyl-phenyl)-propane. The extraction and separation method comprises the following steps: crushing dried malus toringoides leaves, adding ethanol, heating for reflux extraction, performing vacuum concentration till no alcohol is generated, adding a proper amount of water for dispersion, extracting by using ethyl acetate and n-butyl alcohol in sequence, recycling a solvent so as to obtain ethyl acetate extract, n-butyl alcohol extract and water phase, completely dissolving the n-butyl alcohol extract by using pure methanol, filtering by using a micro-pore filtering membrane of 0.45mu m, performing high pressure preparation separation on the filtrate by using C18 reversion phase chromatography packing, collecting corresponding chromatographic peaks, and concentrating the collecting liquid, thereby obtaining a gray powder product. The compound can be used for preparing an antibacterial medicine.

The invention belongs to the technical field of food storage, and discloses a natural fruit and vegetable preservative. The natural fruit and vegetable preservative comprises the following raw materials in parts by weight: 20-100 parts of a malus toringoides extract, 8-12 parts of activated carbon, 15-25 parts of iron powder, 30-60 parts of sodium polyacrylate and 10000-30000 parts of water. The main component of the natural fruit and vegetable preservative is the malus toringoides extract, so that the natural fruit and vegetable preservative has high oxidation resistance, and can achieve a certain antioxidation effect in the preservative; meanwhile, the natural fruit and vegetable preservative can effectively inhibit postharvest diseases of fruit and vegetable products caused by pathogenic bacteria infection, and remarkably reduces rotting loss and quality reduction of fruits and vegetables after being harvested; and the added iron powder can absorb water and oxygen, so that food is preserved.

The invention discloses malus toringoides leaf lycium ruthenicum functional food and a preparation method thereof. The malus toringoides leaf lycium ruthenicum functional food is prepared from the following raw materials in percentage by mass: 20 to 80 percent of malus toringoides leaves and 20 to 80 percent of lycium ruthenicum. The preparation method comprises the following steps of pretreatingmalus toringoides leaves and lycium ruthenicum; adding ethanol; performing backflow extraction; merging the obtained filter liquid; recovering ethanol; performing hot water dispersion on extracts; performing standing, centrifugation and precipitation vacuum drying; adding maltodextrin; making soft materials; performing granulation, drying and particle sorting to obtain total particles; obtaining afinal product. Through study, the conditions that after the matched use of all raw materials, the synergistic interaction effect is achieved, and the blood sugar and blood fat reducing effects are obvious are discovered.