11 results about "Hesperidina" patented technology

The present application relates to the technical field of food packaging preservation material preparation, and particularly relates to a carbon quantum dot-polyvinyl alcohol composite film and a preparation method and application thereof. The carbon quantum dot-polyvinyl alcohol composite film comprises polyvinyl alcohol, a plasticizer and hesperidin carbon quantum dots. The raw materials used in the present application are degradable or easy to recycle, which significantly reduces environmental pollution. By converting waste agricultural and sideline resources into valuable carbon dots, it has important value for realizing the high value of agricultural and sideline resources. The present application studies the role of hesperidin carbon quantum dots in preservation, which has important significance for developing new preservation technology, improving food storage life and preservation quality.

The objective of this invention is to provide a beverage containing dead lactic acid bacteria, in which the off-flavor of the culture medium for lactic acid bacteria is suppressed, and a method for manufacturing the same. This objective is achieved when the concentration of dead lactic acid bacteria (one or more) at 1.3 billion cells / L or higher, and the concentration of hesperidin at 10–1000 mg / L.

This invention discloses a method for extracting hesperidin, belonging to the field of natural product extraction technology. The method includes the following steps: S1, pulverizing and sieving the raw material to obtain raw material powder; mixing the raw material powder with an extractant and performing ultrasonic-assisted extraction to obtain an extract; concentrating the extract to obtain crude hesperidin; S2, adding ethanol solution to the crude hesperidin extract, allowing it to stand, and filtering to obtain an alcohol extract; S3, adjusting the pH of the alcohol extract to acidic using acid, stirring, filtering, and collecting the precipitate; S4, dissolving the precipitate with an alkaline solution, filtering, adjusting the pH of the filtrate to acidic using acid, precipitating the precipitate, and drying to obtain crude hesperidin; S5, dissolving the crude hesperidin in ethanol solution, purifying it using macroporous resin, and freeze-drying to obtain pure hesperidin. This extraction method maintains the structural integrity of hesperidin and achieves high extraction rate and high purity.

The present invention belongs to the technical field of pharmaceutical formulations. Specifically, provided is a method for preparing a traditional Chinese medicine nano-micelle formulation encapsulating hesperidin. The specific steps and process of the method for preparing the traditional Chinese medicine nano-micelle formulation encapsulating hesperidin are as follows: a polyethylene glycol-polylactic acid block copolymer, hesperidin, dichloromethane and poloxamer 188 are selected for later use. According to the present application, the traditional Chinese medicine nano-micelle formulation encapsulating hesperidin is prepared by means of mixing the polyethylene glycol-polylactic acid block copolymer, hesperidin, dichloromethane and poloxamer 188. The preparation process is simple and involves single raw material selection, such that the production cost is effectively controlled. The preparation method is suitable for industrial large-scale production and can be widely used in clinical practice.

This invention relates to a complex method for improving the solubility of hesperidin in concentrated orange juice, belonging to the field of food processing technology. Specifically, it relates to a technique that combines specific functional components and a physical field to efficiently and stably improve the solubility of hesperidin in concentrated orange juice. The main steps of this invention include: raw material selection, preparation of concentrated orange juice, preparation of a functional polysaccharide-EGCG composite cosolvent, addition of the functional polysaccharide-EGCG composite cosolvent, ultrasonic treatment, sterilization, static magnetic field-assisted cooling, and filling. The functional polysaccharide-EGCG composite cosolvent is synthesized by the self-assembly of functional polysaccharides and epigallocatechin gallate (EGCG); the static magnetic field-assisted cooling involves applying a low-temperature static magnetic field to the concentrated orange juice after pasteurization. Compared with concentrated orange juice prepared by untreated or single-treatment methods, this invention can significantly improve the solubility of hesperidin in concentrated orange juice, contributing to the quality improvement of such products.

The application discloses a method for preparing pet food attractant with the flavor of stink mandarin fish by using mandarin fish by-products, and comprises the following steps: subjecting stink mandarin fish fermentation liquor to microfiltration concentration-in-situ embedding treatment to obtain high-abundance liquid microsphere leavening agent; subjecting stink mandarin fish by-product raw materials to step-by-step enzymatic hydrolysis process treatment to obtain high-hydrolysis-degree fermentation substrate; mixing the fermentation substrate with the liquid microsphere leavening agent to perform anaerobic fermentation, and then removing bacteria by microfiltration to obtain liquid food attractant with the flavor of stink mandarin fish; using hesperidin / xanthan gum / corn starch to prepare microcapsules for encapsulating the liquid food attractant, and obtaining pet food attractant with the flavor of stink mandarin fish after freeze-drying. The method is green and environmentally friendly throughout, improves the utilization rate and bioavailability of mandarin fish by-products, realizes the customized production of the characteristic flavor of stink mandarin fish, and realizes the long-period stable release of flavor compounds, and the introduction of hesperidin through embedding effectively enhances the functional activity of the product, and meets the diversified needs of pet food at present.

A bioplastic additive and antimicrobial plastic includes a polyphenol and an organic polymer. The polyphenol may be a phenol, polyphenol, bioflavenoid, flavonoid, tannin, coumarin, lagman, quinone, stibene or qurcuminoidstenin. The organic polymer may be chitosan, chitin, cellulose and keratin. In one advantageous form, the polyphenol is hesperidin and the organic biopolymer is chitosan.

The application discloses a preparation method of a new hesperidine dihydrochalcone-propylene aldehyde adduct, which comprises the following steps: adding new hesperidine dihydrochalcone into methanol to obtain mother liquor A; adding propylene aldehyde into methanol to obtain mother liquor B; mixing the mother liquor A and the mother liquor B, adding phosphate buffer solution, adjusting pH, heating and reacting, and filtering to obtain the new hesperidine dihydrochalcone-propylene aldehyde adduct. The new hesperidine dihydrochalcone-propylene aldehyde adduct prepared by the application can be used as a standard product of a propylene aldehyde reaction product in food detection, and the reaction system can generate the adduct within 5 min, and the clearance rate can reach 95.99% within 40 min. The new hesperidine dihydrochalcone-propylene aldehyde adduct can also be applied to qualitative determination of the propylene aldehyde adduct in rapid food detection. The preparation is simple, low in cost, efficient, free of consumption of a chromogenic agent, high in sample recovery rate, can effectively capture propylene aldehyde, and can control and effectively reduce the content of propylene aldehyde in food.

The utility model discloses a normal temperature neohesperidin reaction kettle convenient to sample and detect, which comprises a normal temperature neohesperidin reaction kettle main body, the left side of the normal temperature neohesperidin reaction kettle main body is fixedly connected with a convenient sampling tube, and the top of the convenient sampling tube is provided with a control valve. The left side of the normal-temperature neohesperidin reaction kettle main body is fixedly connected with a dustproof assembly, the dustproof assembly comprises a supporting plate, a motor, a first gear, a second gear, a screw rod, a transmission sleeve, a transmission block and a sealing cover, the supporting plate is fixedly connected to the left side of the normal-temperature neohesperidin reaction kettle main body, the motor is fixedly connected to the top of the supporting plate, and the first gear is fixedly connected to the top of the transmission sleeve. The first gear is fixedly connected to the output end of the motor. According to the reaction kettle sampling device, a convenient sampling detection function and a dustproof protection function are added, so that the reaction kettle sampling device has the effect of quickly sampling a reaction kettle for next-step work, and the condition that the sampling of the reaction kettle is relatively tedious, time-consuming and labor-consuming is prevented.

This invention discloses a method for fractional extraction of polysaccharides and flavonoids from dried tangerine peel using a pulsed electric field synergistic with cellulase. The method includes: first, pulverizing and sieving the dried tangerine peel; then, completely immersing the tangerine peel powder in distilled water; treating with a pulsed electric field; extracting in a water bath; filtering to obtain polysaccharides; and then subjecting the filter residue to a secondary extraction using cellulase to obtain highly active flavonoid components (hesperidin), while simultaneously collecting and recovering ethanol. This method is simple, highly efficient, and allows for solvent reuse. The pulsed electric field disrupts the cell walls of the dried tangerine peel, promoting polysaccharide dissolution and increasing the accessibility of the raw material for enzymatic hydrolysis, thus enhancing the subsequent extraction of hesperidin. This achieves highly efficient extraction of polysaccharides and flavonoid components (hesperidin) from dried tangerine peel. The resulting extract exhibits strong antioxidant, hypoglycemic, and lipid-lowering activities, showing potential application value in the fields of health products and functional foods.

The application relates to a method for recovering hesperidin and narirutin from hesperidin crystallization mother liquor, and belongs to the technical field of plant extraction, which comprises the following steps: S1, membrane filtration: hesperidin crystallization mother liquor is sequentially subjected to ceramic membrane and nanofiltration membrane filtration; S2, chromatographic separation: the nanofiltration membrane filtration liquid is subjected to chromatographic separation, 50-95% methanol aqueous solution is used as a gradient elution solvent, and eluate of 1-2 BV and eluate of 3-4 BV are collected respectively; S3, narirutin crystallization: the eluate of 1-2 BV is concentrated to a certain solid content, a crystallization solvent is added to perform cooling crystallization, and product narirutin is obtained; and S4, hesperidin crystallization: the eluate of 3-4 BV is concentrated to a certain solid content, a crystallization solvent is added to perform cooling crystallization, and product hesperidin is obtained. The method for recovering hesperidin and narirutin is simple and convenient, and the yield and content of the recovered product hesperidin and narirutin are high.