250 results about "Soluble extract" patented technology

The invention relates to a pulping and extracting process for regenerated tobacco leaves, in particular to a process for preparing the regenerated tobacco leaves by using low-quality and waste tobacco raw materials which cannot be directly applied to producing cigarette products and by using a paper-making process of presoaking, pulping and extracting and countercurrent pulp washing. The process comprises the following steps of: presoaking tobacco leaf flakes and tobacco stalks which serve as raw materials; and directly performing pulping and extraction, countercurrent pulp washing, concentration and pulp mixing on the soaked materials. Compared with the conventional production process, the process has the advantages of accelerating lixiviation of the tobacco raw materials and dissolution of tobacco extract, and saving two to three steps of extraction process, an extractor before pulping and a spiral shoving separation system (inclined and flat helix) so as to simplify a tobacco regenerating process and equipment operation and flow and enhance dissolution and separation of the tobacco extract. By the step of countercurrent pulp washing, the tobacco raw materials can be extracted at a low temperature and the soluble extract in the raw materials can be recovered; extraction yield and leach liquor quality of the regenerated tobacco leaves are improved; load of treating sewage during generated tobacco leaf production is greatly reduced; and environmental friendliness, low carbon and energy conservation of the generated tobacco leaf production are realized.

The invention relates to the field of biotechnology and discloses an agilawood production method. The method comprises the steps of first drilling a hole in a trunk of aquilaria malaccensis or aquilaria sinensis, enabling an agilawood inducer formed by plant hormones, inorganic salt and phenethyl alcohol to be added dropwise into the tree in a transfusion mode, then sealing the hole, adding the agilawood inducer dropwise at an interval of 1-2 months, performing treatment for 3-24 months in total, then cutting brown oily matter and yellowish-brown discolored xylem in the trunk, and obtaining agilawood after drying in the sun. The plant hormones are one or more than two of methyl jasmonate, ethephon and 6-BA; and the inorganic salt is one or both of sodium chloride and magnesium chloride. Components of the agilawood inducer are adjusted on the basis of an existing agilawood inducer, a trunk defense system is excited, related enzymes for synthesizing agilawood chemical components are generated and act on phenethyl alcohol, the trunk generates related chemical components in the agilawood, and finally the agilawood is formed by accumulation. According to the method, not only are contents of agilawood oil and sesquiterpenes in the agilawood oil improved, but also contents of alcohol-soluble extracts are improved.

The invention relates to a water-soluble active extract derived from fruit peels, the preparation method and the application thereof. The fruit peel is treated by the steps of drying, pulverization, extraction, flocculation, separation and concentration, to prepare a water-soluble active extract. Then, the extract is added in cosmetic matrixes to allow a cosmetic to have skin-whitening and anti-skin ageing functions. The fruit peel extract is obtained after the screening of tyrosinase-inhibiting, antioxidant and free radical-scavenging activities in the water-soluble extracts of fruit peels such as Citrus peels, and has skin-whitening and anti-skin ageing effects. The water-soluble active extract has the advantages of easily-accessible raw materials, renewable resources and simple preparation method. The obtained extract has good stability and durable effect and serves as cosmetic additives in any stage of cosmetic production, without the risks of solvent residue and microbial contamination.

The present invention relates to A composition obtained from the lipid soluble extract of rhizomes and leaves of Curcuma species of Zingiberaceae family, useful for the treatment of neurocerebrovascular disorders, said composition comprising fraction A consisting of ar-turmerone of formula 1, and turmerone of formula 2, and / or along with fraction B consisting of curcumene and zingiberine, and / or fraction C consisting of germacrone, curcumerone, zedoarone, sedoarondiol, isozdedoaronidiol, curcumenone, and curlone, and / or pharmaceutically acceptable additives and a method of treating neurocerebrovascular disorders in animals including humans using said composition by administering therapeutically effective amount of lipid soluble extract.

The invention provides olive-derived vegetation water substantially free of monophenolic compounds (e.g., tyrosol and its derivatives) from olive pits. According to one aspect of the invention, the pits or seeds are removed from the olives prior to pressing. The pitless pulp or meat is then pressed to obtain a liquid-phase mixture including olive oil, vegetation water, and solid by-products. The vegetation water is separated from the rest of the liquid-phase mixture and collected. The vegetation water is useful as a source of oleuropein.

The invention relates to a natural Chinese Eaglewood inducer and a Chinese Eaglewood production method, and belongs to the technical field of plant cultivation. Drug effect components of the natural Chinese Eaglewood inducer are composed of a plant endogenous wounding signal, a natural Chinese Eaglewood condensation inducing molecule, a plant nutrition agent and a plant immunizing agent. The Chinese Eaglewood production method comprises the following steps: boring the trunk of an Aquilaria plant, injecting the natural Chinese Eaglewood inducer to Aquilaria malaccensis by using plant transpiration pull, sealing the obtained pore, carrying out treatment for 3-24 months, cutting the trunk, taking a dark brown oily substance and yellowish-brown allochroic xylem, and drying the dark brown oily substance and yellowish-brown allochroic xylem to form Chinese Eaglewood. The drug effect components of the natural Chinese Eaglewood inducer are safe, are natural plant components, and contain no hormones, chemical drugs or artificial perfumes; the Chinese Eaglewood inducer allows the Chinese Eaglewood to be produced in a high-efficiency, high-quality and high-yield manner, and allows standards of National Formulary 2015 to be reached after 3-month Aquilaria malaccensis condensation; and the inducer substantially improves the content of alcohol-soluble extract, Agarotetrol, volatile oil and sesquiterpene.

The invention relates to a method for preparing wolfberry extract health-care granules, which comprises the following technical steps of: fine grinding wolfberry and then carrying out supercritical carbon dioxide extraction to obtain a liquid extract and solid residues; then, dissolving the solid residues in water, extracting soluble extract liquid, and mixing the liquid extract and concentrated soluble extract liquid; adding sugar and dextrin, drying, and grinding; and after sieving, granulating by adopting a common granulating technology to obtain the wolfberry extract health-care granules.The invention has the advantages that substances with lipid solubility, water solubility and other bioactivities in the wolfberry are extracted to a maximum extent, the extracting rate is high, the product has full functions and nutrients, no food additives, such as cosolvent, thickening agents and the like are added, and the wolfberry extract health-care granule drink can be instantly drunk after flushed, has sour and sweet taste, wolfberry fragrance and taste, orange red pigment and transparent gold yellow color and belongs to a high-taste and high-grade product.

The invention relates to a traditional Chinese medicine compound recipe used for preventing or resisting allergy, a preparation method thereof, and an application thereof. The traditional Chinese medicine compound recipe comprises components of, by weight: 5 to 15 parts of baikal skullcap root, 2 to 5 parts of licorice root, 2 to 10 parts of perilla fruit, 2 to 10 parts of firebrush fruit, 2 to 15 parts of lily magnolia alabastrum, 1 to 10 parts of dictamni cortex, 1 to 5 parts of Asiatic pennywort herb, 1 to 10 parts of biod magnolia flower bud, 1 to 10 parts of tree peony root bark, and 2 to 10 parts of divaricate saposhnikovia. A liposoluble or water-soluble extract of the traditional Chinese medicine compound recipe and an anti-allergy compound solution containing the liposoluble or water-soluble extract can be used in cosmetics such as o / w or w / o emulsions, aqueous preparations such as nutrient lotions, and cleansers. With the traditional Chinese medicine compound recipe, skin resistance against allergic reactions is further improved.

The invention relates to extraction and separation of fucoxanthin, and in particular to a method for extracting and separating fucoxanthin from marine unicellular diatom. A fat-soluble extract is added into and mixed with the marine unicellular diatom mud, the mixture is extracted under the conditions of low temperature, darkness and no oxidation for 2-10 min, supernatant extract is collected by centrifugation, the precipitate is repeatedly extracted again by an extract, and the supernatants are merged and separated by liquid chromatography, so as to obtain high-purity fucoxanthin, wherein the usage amount of the extract is 4-6ml for per gram of algae mud. The invention has the advantages of simple operation, fast separation and high yield of fucoxanthin, lays the foundation for the factory production, and ultimately can be used for large-scale industrialized production.

The invention belongs to the technical field of beverages and provides a pure natural health-care beverage which takes Jerusalem artichoke as main raw material and is equipped with natural rosemary water-soluble extract. Its main features are: After peeling Jerusalem artichoke, the enzyme is inactivated by microwave, and then the active ingredient inulin is extracted with deionized water. The extract is separated by a 30nm membrane to remove water-insoluble impurities, and rosemary is added at a ratio of 0.1% to 0.5% of the solution. Water-soluble antioxidants, evenly prepared, filtered through a 10,000-molecular-weight roll-type membrane to obtain Jerusalem artichoke beverages. The 10,000-molecular-weight roll-type membrane can filter out living microorganisms and unstable substances in the solution, such as: medium-molecular protein flocculation, and eliminate beverages. Unstable factors are conducive to extending the shelf life of beverages. This product combines the characteristics of inulin to balance blood sugar, low-calorie dietary fiber and rosemary anti-oxidant and anti-aging. It is suitable for diabetics and women who love beauty.

An osteogenic composition is prepared by a process including the steps of subjecting demineralized bone to an extraction medium to produce an insoluble extraction product and a soluble extraction product, separating the insoluble extraction product and the soluble extraction product, drying the soluble extraction product to remove all or substantially all of the moisture in the soluble extracting product, and combining the dried soluble extraction product with demineralized bone particles. Preferably, the process does not involve heating.

The present invention relates to A composition obtained from the lipid soluble extract of rhizomes and leaves of Curcuma species of Zingiberaceae family, useful for the treatment of neurocerebrovascular disorders, said composition comprising fraction A consisting of ar-turmerone of formula 1, and turmerone of formula 2, and / or along with fraction B consisting of curcumene and zingiberine, and / or fraction C consisting of germacrone, curcumerone, zedoarone, sedoarondiol, isozdedoaronidiol, curcumenone, and curlone, and / or pharmaceutically acceptable additives and a method of treating neurocerebrovascular disorders in animals including humans using said composition by administering therapeutically effective amount of lipid soluble extract.

The invention belongs to the technical field of tobacco processing and relates to a method for preparing basic material of a tobacco thin sheet, namely tobacco stem cellulose through the microbial solid fermentation process. Microbes including high-yield prolease, pectolase, ligninase, amylase and other enzymes are selected, and tobacco stems, tobacco smalls and crumbled tobacco are taken as raw materials for preparing microbial seeds, the prepared microbial seeds are inoculated into the tobacco stems for performing solid fermentation, soaking the tobacco stems after fermentation in buffer solution, further performing enzymolysis for degrading the tobacco stems after the enzymolysis, proteins, lignin, pectic substances and other macromolecular substances into micromolecular substances which are easy to be separated from cellulose type substances in the tobacco stems, and further stirring, pulping, filtering and separating for getting water-soluble extract and water-insoluble celluloseof the tobacco stems. The method has the advantages of being simple in process, saving energy, reducing equipment investment and improving the synthetic quality of the tobacco thin sheet, and can greatly reduce the residual quantity of the proteins, pectin, starch and other macromolecules in the tobacco thin sheet.

The invention discloses a use of lactobacillus plantarum ST-III in preparation of an alpha-glucosidase inhibitor or the preparation of a fermented bean product with alpha-glucosidase inhibition activity. The invention further discloses fermented soymilk or fermented beans with the alpha-glucosidase inhibition activity, which can be obtained by inoculating the lactobacillus plantarum ST-III into sterile soymilk or cooked soymilk and fermenting at the temperature of 25-40 DEG C. Water is added into the fermented beans for homogenizing, the pH value is regulated to 6.5-7.5, the boiling is performed for 10-60 minutes, cooling is performed, then solid-liquid separation is performed, and a liquid phase is taken so as to get a water-soluble extract of the fermented soymilk. The lactobacillus plantarum ST-III has high alpha-glucosidase inhibition activity and can be used in glucose-reducing foods, health care products or medicaments. As the oral glucose-reducing foods, the health care products or the medicaments, the high postprandial blood glucose of patients with diabetes can be reduced and the postprandial blood glucose fluctuation can be regulated.

The invention relates to the field of anti-tumor compositions, and discloses a triterpene-enriched anti-tumor composition. The composition is prepared from the following components in parts by weight: 10-15 parts of antrodia sporocarp extract, 10-25 parts of antrodia mycelium extract and 60-80 parts of lucid ganoderma sporocarp extract. The composition comprises 10-17 percent by weight of a triterpene compound. Fat-soluble extracts of two types of fungi are mixed in a proper ratio to form the composition, the anti-tumor effect of the unit value composition is greatly improved, the content of tumor markers can be remarkably reduced, the economic burden of tumor patients can be reduced, and body injury caused by excessive residues when over lucid ganoderma medicines are taken can be avoided.

The invention discloses a preparation method of a thick-shell mussel fat-soluble extract, comprising the following steps: (1) thick-shell mussel preprocessing; (2) freeze drying, namely, firstly carrying out freeze drying on the meat scraps of thick-shell mussels and then pulverizing the obtained freeze-drying thick-shell mussel meat in a pulverizer; and (3) supercritical CO2 extraction, namely, carrying out supercritical CO2 extraction on the freeze-drying powder of the thick-shell mussel meat and obtaining the thick-shell mussel fat-soluble extract. The invention also discloses the thick-shell mussel fat-soluble extract prepared according to the method, which is an antiphlogistic active substance containing various unsaturated fatty acids; the thick-shell mussel fat-soluble extract can be used for preparing antiphlogistic enteropathy medicines or health-care foods.

The present invention belongs to the field of ecological engineering technology, and is especially process of making medium density fiber board with beach mallow stalk. The present invention makes it possible to convert great amount of the biomass of beach mallow into fiber board capable of replacing woody fiber board.

A Semen Cassiae soft capsule for lowering blood lipids and losing weight and the preparation method thereof. The content of the soft capsule consist of the following components by weight part: 10-60 parts of ethanol soluble extract powder of Semen Cassiae, 2-10 parts of aqueous soluble extract powder of Radix Glycyrrhizae, 10-30 parts of evening primrose oil, 5-20 parts of sea buckthorn seed oil and 2-10 parts of beeswax. The preparation method includes the following steps: preparing all the components respectively; dissolving the ethanol soluble extract powder of Semen Cassiae in ethanol, adding 50% of the total weight of beeswax, heating in a water bath at 75 degrees Celsius to obtain a liquid mixture of Semen Cassiae and beeswax; heating the remainder beeswax with evening primrose oil, adding the liquid mixture of Semen Cassiae and beeswax while continuously stirring, adding aqueous soluble extract powder of Radix Glycyrrhizae, cooling the mixture by circulation water, adding sea buckthorn seed oil and continuously stirring to obtain the content for soft capsules, encapsulating soft capsules by conventional method to obtain the Semen Cassiae soft capsule.

The invention discloses a lophatherum gracile extract and application thereof. The lophatherum gracile extract is prepared by the following steps of: smashing lophatherum gracile stem leaves, adding the smashed lophatherum gracile stem leaves into an ethanol solution with the volume concentration of 70-85 percent, performing backflow extraction and filtration on the mixed solution, concentrating a filtrate until the solid content is 12-16 weight percent, performing spray drying on the concentrated filtrate to obtain lophatherum gracile alcohol-soluble extract, adding distilled water into filter residues, immersing and extracting the filter residues at 70-90 DEG C for 3-4 hours, filtering or centrifuging an extract, concentrating a filtrate or centrifugal liquid until the solid content is 12-16 weight percent, performing spray drying on the concentrated product to obtain lophatherum gracile water-soluble extract, and mixing the lophatherum gracile alcohol-soluble extract and the lophatherum gracile water-soluble extract according to a proportion of 1:(1-3) to obtain the lophatherum gracile extract. The lophatherum gracile extract is added into animal matching feeds according to the mass ratio of 0.02-0.3 weight percent. The lophatherum gracile extract is environmentally-friendly and low in cost and can improve the disease-resistant and anti-inflammatory ability as well as the health conditions of the animals.

The present invention relates to a gel plaster for sleep disorder and its preparation mehtod thereof, composed of 2% -100% of extract of traditional Chinese medicine and 98% -0% of medicinal adjuvant, wherein the extracts of the lily, tuckahoe are the water-soluble extracts using water extraction method and the extracts of spiny jujube seed, polygala root are fat-soluble extracts using alcohol extraction method. The traditional Chinese medicine plaster is prepared by mixing the molecule gel with the hydrogel and the water-soluble medicine enters into the skin through a water-based channel and the fat-soluble medicine enters into the skin by a fat-soluble channel, thus the production technique prevents the separation of medicine and matrix, at the same time a certain repulsion force of oil-based matrix to the water-based medicine and a certain repulsion force of water-based matrix to the oil-based medicine can promote the medicine absorption and the medicine efficacy is increased.

The invention relates to a formula and processing method of a litopenaeus vannamei biology feed with a high utilization rate. The litopenaeus vannamei biology feed with a high utilization rate consists of the following components in percentage by weight: 10-30% of fish meal, 12.0-20.0% of soybean meal, 12.0-20.0% of peanut meal, 5.0-15.0% of rapeseed meal, 2.0-5.0% of a fish soluble extract, 3.0-5.0% of squid soluble paste, 3.0-5.0% of shrimp shell powder, 10.0-15.0% of strong flour, 1.0-2.0% of oil phospholipids, 2.0-3.0% of calcium dihydrogen phosphate, 1.5-3.0% of bentonite, 0.2-0.3% of complex vitamins, 1.0-2.0% of composite mineral substances, 0.2% of choline chloride, 0.02-0.05% of vitamin C, 0.1-0.3% of crystal lysine, 1.0-2.0% of beer yeast, 0.05-0.1% of shell removing elements, 0.05% of a mildewproof agent and 1.0% of a microorganism additive, wherein the sum of the components is 100%. The preparation method of the litopenaeus vannamei biology feed with a high utilization rate comprises the following steps of performing crushing, performing premixing, performing mixing, performing stirring, performing fermentation, performing granulation, performing drying and performing cooling. The feed can promote growth of litopenaeus vannamei, improve the digestive ability of the litopenaeus vannamei, can effectively improve the immunity of the litopenaeus vannamei and besides, can effectively increase the breeding economic benefits.

PCT No. PCT / NZ95 / 00109 Sec. 371 Date Apr. 24, 1997 Sec. 102(e) Date Apr. 24, 1997 PCT Filed Oct. 26, 1995 PCT Pub. No. WO96 / 13572 PCT Pub. Date May 9, 1996This invention relates to a method for pasteurization and fermentation in the production of an alcoholic beverage. The method involves taking a fermentable soluble extract from a processed brewer's mash, mixing it in a mixing zone with a fermented fermentable extract containing an alcohol content of at least 4% alcohol by volume together with other products formed during fermentation, processing this mixture by heating the mixture to a temperature of at least 51 DEG C. (124 DEG F.) holding the mixture at that temperature for ten to twenty minutes and then cooling the mixture to a minimum of 10 DEG C. (50 DEG F.) before fermenting the mixture according to known fermentation processes. In order to produce a continuous flow process and better control the specific gravity of the unfermented fermentable extract, the liquid extract from the brewer's mash may be converted to a soluble powder product which can then be provided in a continuous flow of powder product for dissolving with a continuous flow of water to produce a continuous flow of fermentable soluble extract for mixing with a continuous flow of fermented fermentable extract taken from an outlet of a continuous fermenting plant, the mixture being processed as above before entering the continuous fermenting plant for fermentation to produce an alcoholic beverage.

The invention provides a preparation method of food-borne fluorescent nanoparticles. The preparation method comprises the following steps: S1: baking salmon or Spanish mackerel at 150 to 350 DEG C for10 to 150 min; S2, immersing a baked sample into a polar organic solvent and extracting; carrying out rotary evaporation on an extracted mixed solution until the polar organic solvent is completely removed, wherein the mass and volume ratio of the sample to the polar organic solvent ranges from (1 to 1) to (1 to 3) and the extracting time is 2 to 48h; S3: re-dissolving by adopting water and a non-polar organic solvent and carrying out liquid separation to remove a non-polar organic solvent layer; adding the non-polar organic solvent and repeatedly extracting and degreasing until a water-phasesolution is clarified and transparent, wherein the mass and volume ratio of the sample to the non-polar organic solvent added each time ranges from (1 to 1) to (1 to 3); enabling water-soluble extract to be subjected to liquid column chromatography for collecting a fluorescent part; carrying out freeze-drying to obtain the product. The method provided by the invention breaks through a traditionalfluorescent nanoparticle preparation manner and has the advantages that a preparation process is simple and a prepared case has high biological safety and the like.

The invention discloses a preparation method of an effective part of dendrobium officinale. The method comprises steps as follows: firstly, extracting fat-soluble extracts represented by bibenzyl from the dendrobium officinale with a high-concentration alcohol-water system, refining the extracts with a macroporous resin method to obtain a total bibenzyl effective part with the bibenzyl content higher than 50%, and preparing dregs of the extracts into dendrobium officinale total polysaccharides with water extraction and alcohol precipitation methods; drying and evenly mixing the total bibenzyl effective part and the dendrobium officinale total polysaccharides obtained in two steps to obtain a dendrobium officinale total effective part extract. According to the method, the defect of the extremely low extraction rate of dendrobium officinale fat-soluble active ingredients represented by the bibenzyl with traditional methods such as a water decoction method, a tea making method and the like is overcome, the utilization efficiency of the effective part of the dendrobium officinale is improved substantially, pharmacological anti-oxidation animal experiments and anti-tumor cytotoxicity experiments prove that the activity of the effective part is significantly higher than that of traditional aqueous extracts, and the effective part has the characteristics of high extraction rate and high activity.

The invention discloses a kind of cosmetic product containing natural penetrating skin leading-in agent, said component making up 0.03%-5.0% in the total amount of the said product and said ionomyc is one or several mixture of soluble extracts from orange peel, magnolia, Chinese angelica or Ligusticum wallichii.

The invention relates to a bionic feed for breeding adult mandarin fish. The bionic feed is prepared from the following raw materials in parts by weight: 40-50% of enzymolysis fish soluble extracts, 10-15% of shrimp powder, 10-18% of fermented soybean meal, 2-5% of vital wheat gluten, 5-10% of fermented corn protein powder, 7-11% of high gluten flour, 1.5-2% of calcium dihydrogen phosphate, 1-2% of multiple vitamins, 1-2% of multiple minerals, 3-6% of refined fish oil, 2-4% of a composite phagostimulant and 1-2% of high-activity probiotic agents. The bionic feed for breeding adult mandarin fish disclosed by the invention wholly replaces forage fish. The feed has movement and mouth feel of living forage fish, and is extremely easy to ingest, digest and absorb by mandarin fish. When the bionic feed for mandarin fish is applied for replacing the forage fish, the breeding density and the yield can be increased, the cost of the feed can be reduced, the yield per unit is increased, the waterexchange amount is reduced, and economic benefits are increased.

The invention relates to a noni extract and the application thereof, which belong to the technical field of cigarette production. The noni extract disclosed by the invention is obtained through the following steps: preparing fresh noni into dry products; performing enzymolysis hot reflux extraction and ethanol hot reflux extraction; and obtaining noni extract and absolute oil through concentration, separation and purification. The noni extract disclosed by the invention is applied in 100g cigarette prescription in the weight percentage of 0.03%-0.1%. The noni residue is soluble in water 5 times of the noni residue, and the obtained water-soluble extract is applied in tobacco sheets and tobacco stems. The noni extract has the advantage that the noni extract has the efficiencies of improving sweat smell concentration and richness, significantly restraining miscellaneous gases, and slightly improving stimulation and aftertaste.

A water-soluble extract of red sage root containing danshinolic acid B, danshensu and proshikonic acid, its preparing process, and its application in preparing the angiotonin converzyme depressant medicines for treating hypertension, and hypertension accompanied by heart failure or diabetes or nephrosis are disclosed.

The invention discloses a fractional extraction method of bioactive components from dates; the dates are selected, enucleated, washed with water, dried, ground into particles, added with 65-75% of ethanol for extracting for 2-3 times, and separated into date slag and filtrate; the filtrate is concentrated to obtain total flavonol soluble extract, the date slag is added with deionized water, the weight of which is 10-15 times of that of the date slag, for extracting 2-3 times and separated into water extract and residue; the water extract is concentrated to 1 / 8-1 / 6 of the original volume, the concentrated solution is added with 95% of ethanol which is 4-6 times of the volume of the concentrated solution to carry out alcohol precipitation separation for 10-18 hours, so as to obtain precipitate and filtrate; the precipitate is washed by the ethanol with the concentration of over 98% for 2-3 times, and is dried to obtain date crude polysaccharide, the filtrate is concentrated to obtain ribonucleotide water soluble extract; the residue is dried and ground into dietary fiber powder. The method realizes one-step fractional extraction of a plurality of active components from the dates, has simple operation, and does not adopt any organic solvent except ethanol, thus having safety, no toxicity and residue; the active components in dates can be completely extracted, thus achieving the purpose of making best use of dates.