70 results about "Citrus Pectin" patented technology

The invention relates to a new application of low molecular citrus pectin, in particular to the application of low molecular citrus pectin for treating and preventing lead and heavy metal poisoning in prepared medicines, foods and health care products. The low molecular citrus pectin is a compound prepared from soluble dietary fiber and galacturonic acid, the polysaccharide derivative is used as a metal ion absorbent (chelating agent), has absorption action on heavy metal ions, can remove heavy ions, such as Zn2+, Cu2+, Cd2+, Ag+, Cr3+, Ni2+, Hg2+, Pb2+ and the like. The low molecular citrus pectin is different from common chemical chelating agents; proved by animal and clinic experiments, lead, mercury and arsenic are discharged out of human bodies during toxin discharge, and the key level of calcium, magnesium, zinc or other minerals can not be influenced. The natural chelating function of the low molecular citrus pectin is a most ideal and successful solution for heavy metal pollution in the human body at present. Thus, the low molecular citrus pectin has the function of preventing various diseases and especially has special functions of clearing away harmful cells and discharging toxins in the human body.

The invention relates to an extraction and preparation process of citrus pectin. The extraction and preparation process of citrus pectin includes additionally pretreating dried citrus peel, and extracting pectin from the citrus peel by multiple microwave-heating. By the extraction and preparation process of citrus pectin, extraction time is shortened, and the defect of low pectin yield due to the fact that pectin degrades under long-term heating in strong acid extraction is overcome. By the extraction and preparation process of citrus pectin, the yield is higher with less extraction time and simple extraction steps, the pectin has better gloss, energy consumption is lowered, and production cost is reduced.

A process is provided for treating a solution, gel, or suspension of pectin starting material having a degree of esterification greater than about 60% with a cation-containing preparation to obtain at least a first fraction having a higher degree of calcium sensitivity and a second fraction having a lower degree of calcium sensitivity than said pectin starting material. The resultant composition has a degree of esterification greater than about 60% and a ratio of calcium sensitive pectin to the sum of calcium sensitive pectin and non-calcium sensitive pectin greater than about 0.60. Compositions using citrus pectin have a degree of esterification less than about 80% and a ratio on non-calcium sensitive pectin to the sum of calcium sensitive pectin and non-calcium sensitive pectin greater than about 0.60. These compositions are used, for example, in admixture with foodstuffs, in personal hygienic devices, and in cosmetics.

The invention discloses a method for increasing storage and fresh-keeping effect of orange, which comprises the following steps: under the condition that the temperature is 10-12 DEG C and the relative humidity is 80%-90%, immersing the fresh oranges by 5% of calcium chloride aqueous solution for 30 minutes, then removing and draining, placing the drained oranges in a high-voltage electrostatic field composed of two parallel plateaus for connecting a high-voltage generator, stacking the oranges for 1-3 layer of height, treating for 100-120 minutes / day in the electric field of -200--240kv / m, continuously treating for 2-3 days, and then placing the oranges in a cold storage at 10-12 DEG C for storage. According to the treated oranges, the breathing strength of the oranges is obviously inhibited at a storage period, decrease of a soluble solid, VC, organic acidity at the storage anaphase is delayed, the accumulation of malondialdehyde content is inhibited; rate of weight loss of orange is reduced, the activity of orange pectase and peroxidase is reduced, the original freshness and color of fruits can be better kept, and the local flavor is better.

The invention discloses a moisturizing mask prepared from citrus peel pomace and a preparation method thereof. The moisturizing mask comprises the following components in parts by mass: 1.18-1.22 parts of citrus essential oil, 3.92-3.96 parts of citrus pectin, 1.82-1.88 parts of hesperidin and 92.94-93.08 parts of citrus juice. The preparation method comprises the following steps: extracting the citrus essential oil, citrus pectin and hesperidin from the citrus peel pomace, and mixing the citrus essential oil, citrus pectin and hesperidin with the citrus juice extracted from citrus fruits. The moisturizing mask comprises multiple organic active substances, and has the activities of resisting oxidation, removing free radicals, moisturizing the face, resisting bacteria and the like. The fruit mask prepared from the citrus peel pomace solves the problem of waste of citrus peel pomace resources.

The present invention relates to a novel application of low molecular weight citrus pectin, particularly to its application in pharmaceutics, food and healthcare products. The low molecular weight citrus pectin delays sugar and fat absorption in alimentary canal which influences cholic acid metabolism and indirectly changes activity of lipid metabolism enzyme and promotes sugar and fat metabolism in body which reduces blood sugar and blood fat. After being absorbed and entering into blood circulation, the citrus pectin promotes activity of sugar and fat catabolic enzyme in liver and other organs and reduces activity of sugar and fat synzyme in liver and other organs, which hence reduces blood sugar and blood fat and cures diabetes and fatty liver. The present invention is provided an application of low molecular weight citrus pectin in preparing medicine, food and healthcare products for treating blood sugar, blood fat, diabetes and fatty liver.

The invention relates to a new application of a low-molecular citrus pectin, in particular to an application of a low-molecular citrus pectin for preparing drugs, foods or health products. The drugs, foods or health products are used for being combined with a clinical common chemotherapeutic drug for controlling cancer and cancer metastasis and diffusion. The low-molecular citrus pectin and the clinical common chemotherapeutic drug are combined for controlling cancer and cancer metastasis and diffusion, wherein the cancer is colon cancer, liver cancer or cervical cancer; and the clinical common chemotherapeutic drug is PAC-1, cyclophosphamide or adriamycin.

The invention relates to a citrus pectin component-containing mask essence, and a mask and a preparation method thereof. The citrus pectin component-containing mask essence is characterized in that 100 parts of the mask essence comprise 0.5-5 parts of citrus pectin, 0.1-0.3 part of sodium hyaluronate, 0.2-0.6 part of sodium alginate, 5-7 parts of glycerin, 0.2-0.5 part of Butyrospermum Parkii, 4-5parts of cetostearyl alcohol, 1-2 parts of niacinamide, 0.4-0.8 part of anthocyanin extract, 0.05-0.09 part of vitamin C, 0.03-0.1 part of vitamin E, 0.3-0.5 part of sodium chloride, and the balanceof deionized water. The mask essence has better water-supplementing, moisturizing and nutrient-supplying effects than mask essences adopting traditional formulas, and facilitates the recovery of skinsafter loss of a large amount of water and nutrients due to exercises.

The invention discloses a preparation method of low-methoxyl citrus pectin. The preparation method comprises the following steps of pretreatment of raw materials, methoxyl removal, pectin extracting, purifying and the like. The preparation method is characterized in that endogenous PME (pectin methylesterase) in a citrus peel is used as a cutting point, is subjected to high static-pressure treatment under certain temperature and pressure conditions, and is induced to catalyze citrus pectin to remove methoxyl, so as to prepare the low-methoxyl citrus pectin. The preparation method has the advantages that a large amount of resources are saved, the production cost is lowered, and the obvious economic benefit is realized.

The invention discloses a soybean protein isolate-citrus pectin electrostatic compound emulsifier. The preparation method is as follows: dissolving soybean protein isolate in disodium hydrogen phosphate solution at room temperature for 1+ / -0.1h, then putting into citrus pectin, performing co-dissolving treatment for 1+ / -0.1h, and adjusting pH value to 3.50+ / -0.05 to obtain a mixed solution; and ultrasonically treating the obtained mixed solution in an ice-water bath under the sound intensity of 18-36 W / mL for 5-20min to obtain a product. The method adopts probe-type ultrasonic equipment to treat the soybean protein isolate and the citrus pectin system, and can obtain the protein-polysaccharide compound emulsifier which does not coagulate near the isoelectric point of the soybean protein isolate.

The present invention relates to a novel application of low molecular weight citrus pectin, particularly to its application in pharmaceutics, food and healthcare products. The low molecular weight citrus pectin has apparently smaller molecular weight than natural pectin and its molecular structure is improved for the reduce of methyl which makes it easy to be absorbed by intestinal canal and enter blood circulation. The citrus pectin can apparently improve appetite, strengthen immunity function, modulate immunity turbulence, reduce cholesterol and prevent atherosclerosis. After entering into the blood circulation, it can help people get rid of poisonous heavy metals. Therefore, the low molecular weight citrus pectin is used to prepare medicine, food and healthcare products, which can reinforce immunity functions.

A preparation method for oil-soluble orange flavochrome takes orange peel dry powder as the raw material and the oil-soluble orange flavochrome is obtained by the processes of acidolysis, zymohydrolysis and extraction. The preparation method adopts the zymohydrolysis method to complete the zymohydrolysis process to obtain the orange pectine and then the flavochrome is extracted, thus greatly saving the consumption of extractant and obviously lowering the cost. The product is natural pigment and is nontoxic and non-polluted, thus being applicable to be the colorant of oleaginous foods to replace synthetic food color.

The invention relates to a device for treating high-concentration pectin wastewater in processing canned citrus petals. The device comprises a grid pool (1), an aerating adjusting pond (2), a reaction settling pond (3), a spiral sewage dehydrating device (4), a hydrolysis acidification pool (5), a bio-contact oxidation pond (6) and a settling pond (7) which are sequentially communicated, wherein a clean liquid return pipe (10) which is communicated with the aerating adjusting pond is arranged on the upper part of the reaction settling pond; the grid pool is internally provided with a mechanical grid and a mechanical slag-removing mechanism; the aerating adjusting pond, the hydrolysis acidification pool and the bio-contact oxidation pond are internally provided with perforated aerating pipes respectively, and the reaction pond is internally provided with a mechanical stirring mechanism; filler layers are arranged in the middle parts of the hydrolysis acidification pool and the bio-contact oxidation pond. The spiral sewage dehydrating device is used for solid-liquid separation on the wastewater so as to avoid a blocking phenomenon of a high viscosity pectin material, so that the separating and removing effects on the high-concentration pectin wastewater can be improved. The clean liquid on the upper part of the reaction settling pond is returned for the aerating adjusting pond for improving the treatment effect.

The invention discloses a fruit / vegetable cake and a preparation process thereof. The fruit / vegetable cake consists of the following components in parts by weight: 30-40 parts of white granulated sugar, 25-35 parts of glucose syrup, 25-35 parts of fresh marmalade, 1-3 parts of wafer, 0.5-1.5 parts of natural citrus pectin, 0.4-0.6 part of malic acid, 0.4-0.6 part of citric acid, 0.4-0.6 part of sodium citrate, 0.3-0.4 part of lemon yellow and 0.1-0.2 part of vanillin; and the preparation process comprise the steps of sugar melting, boiling, blending, plate making, wafer pasting, baking, cooling and screening. Through the invention, the sugar and fresh marmalade are added separately; and through temperature control and blending with acid water, the fruit or vegetable components in the fruit / vegetable cake are effectively increased so that the components are more reasonable as well as better taste and color are obtained.

The invention discloses a preparation method for silver nanoparticles based on citrus pectin. The preparation method comprises the following steps that the citrus pectin is dissolved into a NaOH solution under magnetic stirring, a citrus pectin solution is obtained, a reaction with an AgNO3 solution dropwise added under stirring at 60 DEG C-90 DEG C is made, and the silver nanoparticles are obtained. Correspondingly, the invention further provides application of the silver nanoparticles based on the citrus pectin to the bacteriostat field, and the preparation method and the application have the advantages of being environment-friendly, low in toxicity, low in cost, high in yield and the like.

The invention discloses a preparation method of small-molecular citrus pectin. A purpose of the invention is to provide a small-molecular citrus pectin preparation method with characteristics of simple operation, single molecular weight distribution and easy industrial production. The preparation method is characterized by comprising the following steps: (1) dissolving pectin in deionized water toform a solution; (2) centrifuging the pectin solution to remove insoluble impurities; (3) carrying out microfiltration separation on the pectin solution; (4) adding pectinase into the pectin solution, and carrying out enzymolysis; (5) separating by an ultrafiltration method after the enzymolysis is finished; (6) distilling and concentrating the pectin solution under reduced pressure to obtain a concentrated solution, adding absolute ethyl alcohol, and precipitating; and (7) drying the pectin precipitate at normal pressure.

The invention relates to a method for preparing citrus pectin. The method comprises the following steps: (1) weighing citrus raw materials, cleaning, rubbing and drying; (2) crushing, screening, and adding 5-15 times by volume of alcohol solution for extraction; (3) squeezing and filtering, adding 5-15 times by volume of water in the filter residues to regulate the pH to 2-4; (4) carrying out a high voltage pulsed electric field treatment, intermittent heating extraction, centrifuging, repeatedly carrying out the treatment for multiple times, mixing the filtrate, concentrating, adding an acidic alcohol solution, standing and suction filtrating; (5) adding 95% ethanol in the precipitate, suction filtrating, drying, crushing, and sieving through a sieve of 60 meshes to obtain a finished product of citrus pectin. The method can be used for not only greatly improving the yield and quality of the citrus pectin and shortening the production cycle, but also reducing the energy consumption and the environmental pollution.

The invention discloses a polysaccharide-based heavy metal adsorption material and a preparation method thereof. The preparation method comprises the following steps: dissolving a NaOH solid in an ethanol solution to obtain an alcohol solution of NaOH; taking and dissolving citrus pectin powder in the alcohol solution of NaOH, and performing a stirring reaction; standing the obtained product overnight, carrying out reduced pressure filtration, dissolving the obtained filter residue in the ethanol solution, adjusting the obtained solution to be strong acidic, and standing the adjusted solution;carrying out reduced pressure filtration on the obtained product, dissolving the obtained filter residue in a mixed solution of an ethanol solution and a HCl solution, and carrying out a stirring reaction; carrying out reduced pressure filtration on the obtained product, flushing the obtained filter residue with the ethanol solution, and freeze-drying the filter residue to obtain modified pectinpowder; dissolving the modified pectin powder in deionized water to obtain a modified pectin solution; dropwise adding the modified pectin solution to a calcium chloride solution while stirring, and carrying out a reaction; and filtering the obtained solution by a screen after the reaction is completed to obtain microspheres, cleaning the microspheres with deionized water, and freeze-drying the cleaned microspheres to obtain calcium ion-crosslinked modified pectin microspheres which are the heavy metal adsorption material.

The invention discloses a method for extracting citrus pectin by using compound enzyme. The method comprises the following steps: mixing pretreated citrus peel powder with water, adjusting the pH value to 3.5-6.0, adjusting the temperature to 35-60 DEG C, adding compound enzyme, and performing leaching reaction in a constant-temperature magnetic stirrer to obtain citrus pectin powder, wherein the compound enzyme is composed of cellulase, xylanase and acid protease, the pectin yield of the compound enzyme is 22.25%, the pectin yield is improved by 18.4-41.7% compared with that of single enzyme extraction, and the galacturonic acid content reaches up to (83.1+ / -0.7)%. According to the invention, the method is simple and convenient to operate, mild in extraction condition, low in energy consumption and small in pollution, the esterification degree of the extracted citrus pectin is smaller than 50%, and the citrus pectin is low-ester pectin, has better rheological property, emulsifying property and gelling property and can be widely applied to low-sugar and low-calorie food.

The invention discloses a new application of small-molecular citrus pectin. The small-molecular citrus pectin can be used for preparing anti-tumor auxiliary medicines which have immunoregulation effects and can be used for cooperating with the effect-enhancing and toxicity-reducing action of chemotherapy medicines, or can be used for preparing health products with anti-tumor auxiliary effects. A compound disclosed by the invention cannot be used for directly killing tumor cells when being separately used, and does not have anti-tumor effects; the compound can be taken as an auxiliary medicine, can cooperate with the chemotherapy medicines for use, can have immunoregulation functions on T cells and MDSC cells by virtue of ligands on the surfaces of antagonistic immune cells and tumor tissue cells of the compound, can be used for enhancing the anti-tumor effects in an auxiliary mode, and ensures that the sensitivity-enhancing and toxicity-reducing effects on tumor chemotherapy can be achieved; and new medical applications of the known compound namely the small-molecular citrus pectin can be explored, and a new application field can be created.

The invention discloses an extraction method of pectin and polyphenol in orange peel. The extraction method comprises the following steps: with subcritical water as an extraction solvent, extracting the orange peel and then centrifuging; performing ultrafiltration separation of the obtained supernate to obtain a concentrate and a filtrate; performing alcohol precipitation of the concentrate to obtain orange pectin; and performing adsorption and elution of the filtrate to obtain orange polyphenol. By adopting the extraction method disclosed by the invention, the orange pectin and polyphenol can be extracted at the same time, the extraction time is short, the extraction efficiency is high, the gel property and rheological property of pectin and the active substances of polyphenol can be maintained, the yield of orange pectin and polyphenol is increased to the greatest degree, and the extraction method is environment-friendly.

The invention discloses a composition having the functions of relieving or neutralizing the effect of alcohol and protecting stomach and liver, and belongs to the field of medicine. The composition ischaracterized by being prepared from the following raw materials: ginseng ultrafine powder, pueraria ultrafine powder and small molecular citrus pectin. The composition has the effects of rapidly dissolving to take effect, preventing drunkenness after drinking, helping dispel the effects of alcohol after drinking, repairing alcohol damage to gastric mucosa, repairing alcohol damage to liver, etc., and is suitable for the development of various dosage forms of products for relieving or neutralizing the effect of alcohol and protecting stomach and liver.

A pectic enzyme treated pectin (PET-pectin) and a method of producing the same are disclosed. Citrus pectin solution is subjected to an enzymatic hydrolysis by using a mixed pectinase solution under an acidic condition, so as to obtain PET-pectin that is completely hydrolyzed. The PET-pectin has several biological functions, including stability of emulsification, anti-oxidation and inhibition of cancer cell growth, thereby being applied on food emulsion stabilizers, food antioxidants and compositions for inhibiting cancer cell growth and so on.

The invention discloses a moisturizing facial mask and a preparation method thereof. The moisturizing facial mask comprises facial mask liquid and facial mask base cloth, wherein the facial mask liquid is prepared from the following raw materials in parts by weight: 3 to 8 parts of glycerinum, 2 to 4 parts of modified buckwheat starch, 0.8 to 2 parts of radix polygonati officinalis extract, 0.8 to 1.8 parts of citrus pectin, 0.4 to 0.8 part of antioxidant, 0.4 to 0.6 part of 1, 2-hexanediol, 0.04 to 0.07 part of chelating agent, 8 to 15 parts of rose hydrosol and 70 to 85 parts of deionized water. The moisturizing facial mask disclosed by the invention has good moisturizing effect and does not have a liquid dropping condition; the modified buckwheat starch is a moisture absorption type humectant, has good moisture absorption rate, moisturizing performance and wetting performance and can absorb water and swell; the citrus pectin has good gelling and moisturizing performance, is a polysaccharide closed type humectant and has a soft film forming effect; and a compact waterproof film is formed on the skin and prevents skin moisture from evaporating to the outside.

A method of quickly identifying whether living citrus are self-compatible comprises the steps of 1, collecting citrus pollen; 2, preparing a citrus pollen germination medium, scattering pollen to themedium, and observing with a microscope whether activity of the pollen is normal; 3, dipping the pollen with normal activity, applying the pollen to stigmas, and covering each flower with a pollination bag; 4, over a certain period of time which is determined according to a citrus species, immobilizing the stigmas in an immobilizing liquid, washing with an ethanol solution, heating by a water bathafter washing to perform softening for a period of time which is determined according to the citrus species, washing the softened stigmas with clear water, and staining with a water-soluble aniline blue solution; and 5, observing germination condition of pollen on the stigmas with a microscope after staining so as to determine whether the citrus are self-compatible. A normalized process to identify whether citrus are self-compatible is provided herein; stigma acquisition time and softening time are provided for different citrus species after pollination; whether citrus plants are self-compatible can be identified efficiently and accurately.

The invention discloses a method for preparing a pectin oligosaccharide having a molecular weight of 2000-3000 Da through acid hydrolysis. The method comprises the following steps: reacting citrus pectin and trifluoroacetic acid, adding ethanol into the supernate after the reaction to precipitate, and drying the precipitate. According to the invention, the controllable degradation of pectin is realized, and the pectin oligosaccharide having a weight average molecular weight of 2000-3000 Da is prepared, thereby improving the product quality; and tests prove that the pectin oligosaccharide has a better antibacterial activity than a product prepared through a common chemical method.

The invention relates to a method of preparing citrus pectin oligosaccharide under a weak electrolysis condition. The method comprises following steps: dissolving high ester citrus pectin in a sodiumchloride solution to prepare a pectin solution; adding the pectin solution into an electrolytic tank (A) taking graphite as the negative pole; adding a sodium chloride solution with an equal concentration into an electrolytic tank (B) taking a platinum electrode as the positive pole; carrying out DC electrolysis under a weak electrolysis condition (voltage is 15 to 25V), stirring the solutions during the electrolysis process; collecting obtained electrolytic solution in the electrolytic tank (A), adjusting the pH to 6-7 by using hydrochloric acid; adding anhydrous ethanol to carry out precipitation, wherein the ratio of anhydrous ethanol to the electrolytic solution is 4:1; collecting the precipitates, and drying to obtain pectin oligosaccharide. By adopting the provided method, macromolecular high ester citrus pectin is electrolyzed to obtain micromolecular pectin oligosaccharide; by controlling the electrolysis voltage and time, the degradation degree can be controlled so as to obtain pectin oligosaccharide (POS) with a molecular weight of 3000 to 8000, and the commodity value is increased. Moreover, the method is environmentally friendly and can be applied to industrial production easily, and the power consumption is low.

The invention discloses a preparation method of copper nano particles based on citrus pectin, and belongs to the field of nano materials. According to the preparation method, copper chloride is adopted as a copper precursor, pectin dissolved by sodium hydroxide serves as a stabilizer and a reducing agent, meanwhile, ascorbic acid is also used as a reducing agent, the copper nano particles are synthesized through simple microwave assistance to obtain a reddish brown copper nano-liquid, and finally, the powder copper nano particles are obtained through high-speed centrifugation, washing and drying. Under ultraviolet visible light, the maximum absorption peak of the nano particles is 590 nm. Meanwhile, the invention further provides application of the copper nano particles based on the citruspectin in the bacteriostasis field. The copper nano particles have the advantages of good dispersibility, high safety performance and the like. The method is simple in production process, green and environment-friendly, and has a wide prospect in the field of medical bacteriostasis.

A pectic enzyme treated pectin (PET-pectin) and a method of producing the same are disclosed. Citrus pectin solution is subjected to an enzymatic hydrolysis by using a mixed pectinase solution under an acidic condition, so as to obtain PET-pectin that is completely hydrolyzed. The PET-pectin has several biological functions, including stability of emulsification, anti-oxidation and inhibition of cancer cell growth, thereby being applied on food emulsion stabilizers, food antioxidants and compositions for inhibiting cancer cell growth and so on.