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386results about How to "Keep the fragrance" patented technology

Refined rice processing method

The invention discloses a refined rice processing method. The refined rice processing method comprises the following steps of rice screening, stone removal, magnetic separation and rice shelling, rice-bran separating, secondary shelling, thickness grading, moisture measurement and drying or atomizing, rice milling and white rice grading, rice cooling, polishing, color sorting, secondary white rice grading and moisture content detection, and packaging. The refined rice processing method comprises a plurality of impurity removal steps, and consequently, the purity of rice is guaranteed, the produced rice is high in purity, and the safety and the processing efficiency in the processing process are guaranteed. In the rice shelling and rice milling steps of the refined rice processing method, the material temperature is strictly controlled so that the material can be always kept in a relative low temperature appropriate environment, and the crack ratio and the broken rice rate can be reduced and the complete particle rate can be increased; the original faint scent of rice is maintained. The refined rice processing method is used for solving the problems of surface damage and uneven polishing in the rice polishing process by controlling the polishing water temperature and the dampening amount; as a result, the surfaces of all the rice grains polished can be kept smooth and clean, and the quality guarantee period of the rice can be prolonged.
Owner:ANHUI YOUYUAN FOOD

Preparation method of high-nicotine tobacco extract

The invention discloses a preparation method of a high-nicotine tobacco extract. The preparation method of the high-nicotine tobacco extract belongs to the field of tobacco additives, and mainly comprises three steps of raw material pretreatment, subcritical extraction and molecular distillation. A baking process is adopted for pretreating tobacco leaves, so that reducing sugar of tobacco and a nitrogen-containing compound are promoted to generate maillard reaction, substances such as pyrone and furanone are produced, the baking aroma is improved, the reducing sugar content is reduced, the suction offensive odor is reduced, meanwhile, combined-state nicotine in the tobacco leaves is converted into a free state, and the content of the free-state nicotine is improved. A weak polar solvent is adopted for subcritical extraction, so that the extraction rate of tobacco feature aroma substances and the free-state nicotine can be improved; and low-temperature molecular distillation is combined, so that low-boiling-point aroma substances and the nicotine can be effectively enriched, the damage on thermosensitive substances due to high temperature is avoided, and meanwhile, the content of macromolecular substances such as pectin and protein in an extract is reduced. The method is simple in preparation process, simple and convenient to operate, and suitable for industrial production and application.
Owner:ZHENGZHOU TOBACCO RES INST OF CNTC

Processing method of handmade yellow tea

The invention belongs to field of tea leaf, and in particular relates to a processing method of handmade yellow tea. The processing method of handmade yellow tea comprises the following steps: picking fresh tea leaves, washing fresh tea leaves, sunning, performing primary roasting, shaping, spreading and cooling, performing primary drying, performing primary piling for yellowing, performing secondary drying, performing secondary piling for yellowing, extracting stalks, and refiring for extracting aroma. The processing method of the handmade yellow tea is a special processing method of Huoshan yellow tea, the fresh leaves are washed and dedusted to keep clean, the piling for yellowing is performed in a moisture regain machine after the primary drying is performed with the stacking thickness of about 10cm, piling for yellowing is performed after the primary drying is performed, secondary piling for yellowing is performed after the secondary drying is performed so as to further convert inclusions and achieve unique aroma taste of the yellow tea. By adopting the processing method, the processed Huoshan yellow tea has the characteristics of being similar in form of sparrow tongue, slight yellow of color and luster, lasting fragrance, mellow taste, sweet aftertaste, yellow bright, clean soup color, being durable for making tea, and being capable of being preserved for two years after being sealed at a normal temperature.
Owner:安徽抱儿钟秀茶业科技有限公司

Passion fruit-kiwi fruit composite juice and preparation method thereof

ActiveCN102613623APure flavorNatural and long-lasting fragranceFood preparationPectinaseFruit juice
The present invention relates to a passion fruit-kiwi fruit composite juice and a preparation method thereof. The juice comprises 20-30% of a fruit-kiwi fruit juice, 10-15% of a kiwi fruit juice, 3-5% of honey, and the balance of water. The preparation method comprises: cleaning and cutting the passion fruit; taking the flesh with seeds; carrying out juicing on the flesh with seeds; cleaning the kiwi fruit; removing peel and carrying out juicing on the flesh of the kiwi fruit; uniformly mixing the resulting two juices; heating to a temperature of 20-60 DEG C; adding pectinase and amylase to carry out an enzymolysis treatment; adding water and honey to the filtered juice to adjust the taste; adopting a bacteria removal filtration membrane to remove partial bacteria; carrying out homogenizing and degassing on the bacteria-removed juice; carrying out vacuum packaging; and carrying out hyperpressure sterilization to perform an enzyme inactivation treatment to obtain the composite juice. With the preparation method of the present invention, the unique flavor of the passion fruit and the kiwi fruit fragrance can be maintained, the produced juice has characteristics of original juice remaining, original taste remaining, natural and persistent fragrance, and pure flavor, the juice quality is improved, and the pursuit of the majority of consumers on the natural juice is met.
Owner:HEPING WEIKANG AGRI TECH CO LTD

Debitterizing method for shaddock peel and application thereof

The invention relates to a food technology, in particular to a debitterizing method for shaddock peel and application thereof. The method comprises the following steps: firstly, putting the shaddock peel into a hypertonic solution to steep until the bitter and hemp taste of the shaddock peel is removed; preparing a syrup solution; putting the debitterized shaddock peel into the syrup solution to sugar, and then baking the sugared shaddock peel until the moisture content is 10 to 20 percent so as to obtain shaddock peel sugar. The shaddock peel sugar prepared by the method reserves the drug action of the shaddock, has the effects of invigorating stomach, moistening lung, enriching blood, cleaning bowels, relaxing bowels and the like, can reduce the viscosity of blood and reduce the thrombus formation, and is a healthcare food. The shaddock peel sugar is appropriate in sweetness, soft and crispy, and moderate in sweet and sour, simultaneously does not have bitter and hemp taste, and reserves the fresh scent of the shaddock peel, so that the shaddock peel sugar is a high-grade green food suitable for all ages and sexes, and is applicable to be popularized and eaten. In addition, the method disclosed by the invention has simple steps and good debitterizing effect and is low in cost; the obtained debitterized shaddock peel can also be used for preparing shaddock peel preserved fruit, honey pomelo tea, pomelo peel jam and grapefruit beverage.
Owner:重庆市柚神酒业有限责任公司

Tobacco piece loosening and conditioning system

The invention discloses a tobacco piece loosening and conditioning system. The system comprises a vertical splitting machine, a tunnel type preheating conditioning loosening machine and a percolationtype hot-air loosening conditioning machine which are arranged in accordance with a pipeline method in turn. A constant flow control system is arranged between the tunnel type preheating conditioningloosening machine and the percolation type hot-air loosening conditioning machine. A turning and slow releasing device is arranged between the vertical splitting machine and the tunnel type preheatingconditioning loosening machine. The tunnel type preheating conditioning loosening machine is equipped with a bending delivery tunnel. The tobacco piece loosening and conditioning system has a combination of the tunnel type preheating conditioning loosening machine and the percolation type hot-air loosening conditioning machine, causes more even heating, improves loosening rate of tobacco flakes and reduces fragment generation ratio. The tobacco piece can be loosened and conditioned under low strength condition, and the raw materials of the tobacco can be subject to maximal flexible looseningto keep original fragrant of the tobacco, and realize coordination of sensor quality and material loosening.
Owner:SHANGHAI TOBACCO GRP CO LTD +1

Navel orange peel jam and processing method thereof

The invention belongs to the field of deep processing of agricultural products and discloses navel orange peel jam and a processing method thereof. The processing method comprises the following steps of: soaking navel orange peel into water for 1 to 2 days; draining; placing into saline solution and cooking for 10 to 20 minutes; draining; rinsing and draining; crushing into navel orange peel pulp; placing navel orange flesh into water at the temperature of 90 to 95 DEG C; blanching for 2 to 10 minutes; crushing into fruit pulp; mixing the navel orange peel pulp and the fruit pulp; adding citric acid; heating to 90 to 100 DEG C; preserving heat for 5 to 10 minutes; adding white granulated sugar and pectin; and boiling on a soft fire at the temperature of 80 to 90 DEG C for 30 to 40 minutes to obtain the navel orange peel jam. In the navel orange peel jam, the soluble solid matter content is more than or equal to 35 percent, the total sugar content is less than or equal to 65 percent, the total arsenic content is less than or equal to 0.5, the lead is less than or equal to 1.0 and the microbiological index accords with the national standard. In addition, the navel orange peel jam is golden yellow, sour and sweet and delicious, maintains fragrance of the navel orange peel and the mouthfeel of the fruit flesh, is uniform and exquisite and has high flowability.
Owner:SOUTH CHINA UNIV OF TECH

Method for preparing high-fragrance tobacco extract

ActiveCN106307606AStrong aroma of tobaccoGood hair permeabilityTobacco preparationTobacco treatmentMacromolecular SubstancesSolvent
The invention discloses a method for preparing a high-fragrance tobacco extract and belongs to the technical field of a tobacco additive. The method comprises the steps of 1, adding propylene glycol into tobacco raw materials, and then standing and baking the raw materials; 2, crushing, adding solvent extraction liquid into crushed materials; 3, filtrating extraction liquid with an ultra-filtration membrane to prepare permeate liquid, and decompressing and distilling the permeate liquid to prepare a condensate; and 4, secondarily separating the condensate by a molecular distillation method, and collecting a light component as the high-fragrance tobacco extract. In the preparing method, tobacco raw materials are in advance treated by baking so that Maillard reaction presents between the tobacco reducing sugar and the nitrogen-containing compound, generate pyrone and furanone substances are prepared and baking fragrance is increased; propylene glycol is added into the tobacco so that bad flavor caused by charred tobacco at high baking temperature can be prevented; macro-molecular substances and high boiling-point non-volatile substances can be effectively removed by the membrane separation-molecular distillation double separation process, and specific aroma components enriched in the tobacco are separated.
Owner:ZHENGZHOU TOBACCO RES INST OF CNTC

Microwave vacuum freeze-drying method for rhizoma gastrodiae

The invention discloses a microwave vacuum freeze-drying method for rhizoma gastrodiae. The microwave vacuum freeze-drying method comprises the following steps: firstly, cleaning and draining fresh rhizoma gastrodiae; secondly, pre-freezing the rhizoma gastrodiae at the temperature of 10 DEG C below zero to 30 DEG C below zero for 1 hour to 1 year; thirdly, slicing and pricking the rhizoma gastrodiae obtained in the second step; fourthly, putting the pricked rhizoma gastrodiae into a microwave freezing dryer, and freezing at the pressure of 5 to 20 Pa and the temperature of 35 DEG C below zero to 40 DEG C below zero for 1 to 3 hours; introducing nitrogen, controlling the pressure at 20 to 100 Pa, controlling microwave power at 100 to 300 w / kg when the time reaches 0 to 3 hours, controlling the microwave power at 300 to 500 w / kg when the time reaches 3 to 6 hours, controlling the microwave power at 100 to 200 w / kg when the time reaches 6 to 8 hours, and warehousing to obtain freeze-dried rhizoma gastrodiae slices. The method disclosed by the invention has the advantages of short production period and low energy consumption and cost for freeze drying; in addition, effective ingredients, nutritional ingredients, appearance, color and luster of the fresh rhizoma gastrodiae are sufficiently protected from being damaged, original shapes of crude products are maintained, and the rhizoma gastrodiae slices are crisp and tasty in mouthfeel.
Owner:ZHEJIANG JIANFENG HEALTH TECH

Method for extracting flavone from bamboo leaves

InactiveCN102068630ABig cost lossHigh cost lossCosmetic preparationsToilet preparationsPolymer scienceSpray dried
The invention discloses a method for extracting flavone from bamboo leaves. The method comprises the following steps of: A, placing the bamboo leaves into a kettle, stewing the bamboo leaves by heating the kettle, turning off a heating device, cooling, and leaching dissolving-out substances from the bamboo leaves; B, allowing solution in the reaction kettle to pass through a filtering plate at the bottom of the reaction kettle to remove dregs and then pass through a filter with multifilament filter cloth to enter a settling tank; C, standing filtrate after filtering until the filtrate is clear and transparent; D, performing acid and alkali treatment on a macroporous resin NKA-9 polar resin, washing the resin with deionized water until the resin does not comprise ethanol, and placing the resin into a column; E, placing the clear and transparent filtrate into the column with the resin and stopping when the weight ratio of the resin to the filtrate is reached; F, washing with the deionized water until effluent liquid of the column is colorless, eluting the column with edible ethanol, and recovering the ethanol; and G, performing spray drying on the recovered solution without the ethanol in a spray tower to obtain total flavone. The method is practicable, easy and convenient to operate and low in cost. By the method, the flavone can be efficiently separated from the bamboo leaves and the effect is good. The flavone content is over 30 to 50 percent.
Owner:武汉神农天香生物科技有限公司

Full-automatic tea leaf drying device

The invention provides a full-automatic tea leaf drying device, and belongs to the field of tea leaf processing mechanical equipment. The full-automatic tea leaf drying device comprises a fuel storage bin, a first draught fan, a boiler, a drying box, a feeding device and a leaf storage bin. The fuel storage bin and the first draught fan are connected with the boiler, and the boiler is then connected with the drying box. The leaf storage bin is sequentially connected with the feeding device and the drying box. A heat exchange pipe is arranged on the inner wall of the boiler and provided with a heat exchange pipe opening end and a heat exchange pipe outlet end which are connected with the first draught fan and the drying box correspondingly. The drying box is provided with a hot air inlet end and a hot air outlet end which are connected with each other through a hot air circulation pipe. The hot air circulation pipe is provided with a second draught fan and a hot air extension pipe which is provided with a first electromagnetic valve in a penetrating manner. The full-automatic tea leaf drying device can achieve automatic feeding, drying, discharging and cooling of the tea leaf drying process and can accurately control the drying degree of tea leaves and improve the tea leaf drying quality and drying efficiency, and the device is easy and convenient to operate.
Owner:江西浮梁贡茶叶有限公司
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