Dehydrated daylily production method

A production method and technology for daylily, applied in food science and other directions, can solve the problems of changing the natural color and luster of daylily, difficult for consumers to identify the quality, affecting the appearance and the quality of diet therapy, and achieving good dehydration effect, bright and natural color, and long shelf life. long effect

Inactive Publication Date: 2017-04-26
平凉锐博知识产权服务有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The day lily prepared by this method has a delicate fragrance and is elegant, and after soaking in water, it returns to a plump yellow bud shape, absorbs nutritional and health-care ingredients during baking and finishing, so that it has more abundant health care functions, but due to the immersion in the nutrient solution, the color of the day lily is

Method used

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  • Dehydrated daylily production method
  • Dehydrated daylily production method

Examples

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Effect test

Embodiment 1

[0020] A method for producing dehydrated day lily, comprising the following steps:

[0021] 1) Harvesting and pretreatment: From 6:00 am to 8:00 pm or from 17:00 pm to 19:00 pm, pick the yellow leaves with full, uniform and complete strips, broken bars, broken heads, flowering vegetables ≤ 3%, and bar length > 9cm. For green day lily, remove the old stems, put it in a citric acid solution at 80-90°C, blanch it for 30-40 seconds, take it out while it is hot, and freeze it at ~8°C for 10-12 minutes, then turn it into The temperature is 0-10°C, the relative humidity of the air is 20-30%, the oxygen content is less than 2%, the carbon dioxide content is 80-90%, and the nitrogen content is 18-8%, and the anaerobic storage is stored for 30-60 minutes. The mass concentration of the citric acid solution is 0.05% to 0.10%;

[0022] 2) Plate loading: evenly spread the daylily stored in step 1) on the plate evenly, and the thickness of the material layer is controlled between 350-400mm;...

Embodiment 2

[0027] A method for producing dehydrated day lily, comprising the following steps:

[0028] 1) Harvesting and pretreatment: From 6:00 am to 8:00 pm or from 17:00 pm to 19:00 pm, pick the yellow leaves with full, uniform and complete strips, broken bars, broken heads, flowering vegetables ≤ 3%, and bar length > 9cm. For green day lily, remove the old stems, put it in a citric acid solution at 80-90°C, blanch it for 30-40 seconds, take it out while it is hot, and freeze it at ~8°C for 10-12 minutes, then turn it into The temperature is 0-10°C, the relative humidity of the air is 20-30%, the oxygen content is less than 2%, the carbon dioxide content is 80-90%, and the nitrogen content is 18-8%, and the anaerobic storage is stored for 30-60 minutes. The mass concentration of the citric acid solution is 0.05% to 0.10%;

[0029] 2) Put the day lily pretreated in step) 1 into a tray, put it into a normal steam room, and steam it at 85°C for 5 minutes, take it out and spread it out t...

Embodiment 3

[0032] A method for producing dehydrated day lily, comprising the following steps:

[0033] 1) Harvesting and pretreatment: From 6:00 am to 8:00 pm or from 17:00 pm to 19:00 pm, pick the yellow leaves with full, uniform and complete strips, broken bars, broken heads, flowering vegetables ≤ 3%, and bar length > 9cm. green day lily, old stems removed;

[0034] 2) Plate loading: evenly spread the daylily stored in step 1) on the plate evenly, and the thickness of the material layer is controlled between 350-400mm;

[0035]3) Build a steam room: set up a conveyor belt in the steam room, and set the speed of the conveyor belt to 0.14-0.16m / min; The steam room is marked as room 1, room 2, room 3 and room 4 from left to right;

[0036] 4) Dehydration and inactivation of enzymes: Place the tray installed in step 2) on the conveyor belt in step 3, turn on the power supply of the conveyor belt, and make the tray slowly pass through chamber 1, chamber 2, chamber 3 and chamber 1 from le...

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Abstract

The invention discloses a dehydrated daylily production method which comprises the following steps: 1) picking and pretreatment: putting daylily into a citric acid solution, blanching, taking out the daylily while being hot, and quickly freezing; 2) dishing; 3) steam room building: arranging a conveying belt in a steam room; and then dividing the steam room into four partitions which communicate with each other but are mutually closed and independent, and making the four partitions communicate with each other through the conveying belt; 4) dehydration and enzyme deactivation: placing a loaded material plate on the conveying belt, turning on a conveying belt power source, and making the material plate successively slowly pass through the steam room from left to right; and 5) secondary dehydration: taking out the daylily after enzyme deactivation, spreading, airing to be cold, putting into a vacuum box, and carrying out vacuum drying. The daylily produced by the method has the advantages of natural color and luster and good appearance quality, retains the original nutrition of the daylily to the largest extent, and has the advantages of good diet therapy quality.

Description

technical field [0001] The invention belongs to the technical field of vegetable processing, in particular to a production method of dehydrated day lily. Background technique [0002] Day lily is a perennial herbaceous plant of the Hemerocallis family Hemerocallis genus. Because of its wide variety and four-season flowers, it can be used as ornamental flowers and plants in family gardens. It is a treasure in flower gardening and has high ornamental value. Its dried flowers are edible and have a variety of health functions. They are delicious, tender, and nutritious. They are rich in pollen, sugar, protein, vitamin C, calcium, fat, carotene, etc. Eating day lily often can moisturize the skin and strengthen the skin. The toughness and elasticity of the daylily can make the skin tender and plump, lubricated and soft, reduce wrinkles, fade spots, and increase beauty. Day lily also has antibacterial and immune functions, has moderate and mild anti-inflammatory and detoxification ...

Claims

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Application Information

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IPC IPC(8): A23L5/20
Inventor 刘立立秦国鹏
Owner 平凉锐博知识产权服务有限公司
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