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A drying method for changing the appearance characteristics and flavor of raisins

A technology for raisins and grapes, which is applied in the field of drying raisins to change the appearance characteristics and flavor of raisins. It can solve the problems of being unsuitable for popularization and application by ordinary fruit farmers, high cost, and complicated structure, and achieves obvious market value, low cost, and fast drying time. short effect

Active Publication Date: 2019-11-26
HORTICULTURE INST OF XINJIANG ACAD OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The drying devices disclosed in the above-mentioned patent documents can control and change the discoloration and taste of raisins. However, the structures of the above-mentioned drying devices are relatively complicated, and the cost is high. They are suitable for factory production and are not suitable for popularization among ordinary fruit farmers. application

Method used

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  • A drying method for changing the appearance characteristics and flavor of raisins
  • A drying method for changing the appearance characteristics and flavor of raisins
  • A drying method for changing the appearance characteristics and flavor of raisins

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Effect test

Embodiment 1

[0039] As the first embodiment of the drying device used in the drying method for changing the appearance and flavor of raisins according to the present invention, its structure is as follows: figure 1 As shown, it includes a bracket 10 and a vaulted top 20 located on the top of the bracket 10 . Wherein the bracket 10 is a frame structure formed by overlapping the transverse rods 12, the longitudinal rods 11 and the vertical rods 13, and the materials used to overlap the above brackets are wooden rods, steel pipes and the like. In this embodiment, the width of the drying device is determined according to the local wind direction, wind speed, etc., and is usually set at 1.5-2m; The demand is determined, usually 1-20m; the height of the drying device is generally 1.5-2.5m, which is convenient for ordinary people to operate.

[0040] In this embodiment, several layers of brackets 50 are arranged inside the bracket 10, and the brackets 50 are used for hanging and drying grapes th...

Embodiment 2

[0046] As the second embodiment of the drying device used in the drying method for changing the appearance and flavor of raisins in the present invention, its structure is as follows: figure 2 As shown, the difference between this embodiment and the first embodiment lies in the ventilation devices used. In this embodiment, its ventilating device comprises the air outlet that is located on the greenhouse film or the plastic light-transmitting film, is provided with exhaust fan 60 on this air outlet, and exhaust fan 60 is powered by common civil electricity, certainly, in the field power supply facility In the case of imperfections, it can also be powered by solar panels or small wind turbines. In the drying device of this embodiment, the air is exhausted when the humidity is high in the early stage of drying, and the air can also be artificially exhausted when the temperature is high at noon every day to reduce the temperature in the device and speed up the drying speed.

[0...

Embodiment 3

[0050] As the third embodiment of the drying device used in the drying method for changing the appearance and flavor of raisins according to the present invention, its structure is as follows: figure 2 , image 3 As shown, the main structure is the same as the drying device of the second embodiment. The difference between this embodiment and the second embodiment is that it also includes a controller 70, a temperature sensor 71 and a humidity sensor 72. The above-mentioned controller 70 is connected with the temperature sensor 71 respectively. , the humidity sensor 72 and the exhaust fan 60 are electrically connected. When the temperature and humidity exceed the limit value, the exhaust fan will run automatically, thereby reducing the temperature inside the device and speeding up the drying speed. Preferably, in this embodiment, the limit value of temperature is 45° C., and the limit value of humidity is 60%.

[0051] The drying device of this embodiment is relatively simpl...

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Abstract

The invention discloses a raisin production method for changing the appearance characteristics and the flavor of raisins. The method comprises the steps of screening, cleaning, grape drying promoter treatment, and hanging and airing of grapes in a raisin production device; and the raisin production device comprises a support and an arc-shaped roof arranged at the upper portion of the support, the support is formed through overlapping transverse rods, longitudinal rods and vertical rods, a plurality of brackets for hanging and airing grapes are arranged in the support, and the support and the arc-shaped roof are covered with an agricultural film for greenhouse or a sunshade screen. The covering material on the raisin production device is used to control the illumination intensity and change the spectral component in order to produce raisins with different colors and different flavors. Compared with traditional direct airing technologies, the method disclosed in the invention has the advantages of short raisin production time, and realization of cleanness, uniform color, elongated and elliptical shape, beautiful appearance and obvious improvement of the market values of produced raisins; and compared with color change raisin production devices in the prior art, the raisin production device adopted in the invention has the advantages of simple structure, low cost, small requirements of places, and suitableness for being massively promoted in common orchard workers.

Description

technical field [0001] The invention relates to the technical field of fruit drying, in particular to a drying method for changing the appearance and flavor of raisins. Background technique [0002] Grapes are a characteristic fruit in Xinjiang, with the characteristics of large output, many varieties, and good quality. Raisins are also a characteristic dried fruit in Xinjiang. Fruit farmers usually make raisins directly from the sun or in an adobe drying room with ventilation on all sides. The raisins produced by this method have poor uniformity in color and taste, and the quality is average. [0003] The Chinese utility model patent with the notification number CN204180899U discloses a dried fruit steam heating cold and warm air cooling and discoloration device. The patent discloses a dried fruit discoloration method and a dried fruit discoloration device. The drying devices disclosed in the above-mentioned patent documents can control and change the discoloration and ta...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23L19/00
CPCY02A40/924
Inventor 张雯谢辉张平韩守安陆胜祖钟海霞王敏牛倩潘明启
Owner HORTICULTURE INST OF XINJIANG ACAD OF AGRI SCI
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