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Drying method of color protecting and shape solidifying hemerocallis citrina using freezing method

A daylily, freezing method, which is applied in the direction of preservation of fruits/vegetables by freezing/refrigeration, food freezing, preservation of fruits/vegetables by dehydration, etc. The shape is full, the color is green, and the effect of maintaining nutrients

Active Publication Date: 2017-05-31
渠县琦鑫源花卉苗木开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The present invention overcomes the deficiencies of the prior art and provides a method for drying day lily with color preservation and solidity by freezing method, which solves the problem that the color of dried day lily is not bright enough and the dried strips are soft due to the existing drying treatment method of day lily , the problem that the shape is not full

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] A method for drying daylily using a freezing method to preserve color and solid shape, the steps are as follows:

[0032] (1) Destemming and rinsing with running water: select plump, green and slightly yellow fresh yellow flower buds that are harvested within 4 hours, remove the flower stalks of the day lily, and rinse with running water;

[0033] (2) Drain and plate: Drain the rinsed day lily until there is no water dripping, and spread it evenly on the special microwave tray; the way of draining the day lily can be mechanical vibration, electromagnetic vibration or natural Draining method, after draining, the thickness of the day lily is 4cm;

[0034] (3) Microwave heating and finishing: push the material tray into the 2450MHz microwave heating equipment to fix the daylily; the conditions for finishing are: microwave heating power 20KW, microwave action time 100s; A layer of transparent insulating cloth, after finishing, remove the transparent insulating cloth. Layi...

Embodiment 2

[0043] A method for drying daylily using a freezing method to preserve color and solid shape, the steps are as follows:

[0044](1) Destemming and rinsing with running water: select plump, green and slightly yellow fresh yellow flower buds that are harvested within 4 hours, remove the flower stalks of the day lily, and rinse with running water;

[0045] (2) Drain and plate: Drain the rinsed day lily until there is no water dripping, and spread it evenly on the special microwave tray; the way of draining the day lily can be mechanical vibration, electromagnetic vibration or natural Draining method, after draining, the thickness of the day lily is 5cm;

[0046] (3) Microwave heating and finishing: push the material tray into the 2450MHz microwave heating equipment to complete the treatment of the daylily; the conditions for finishing are: microwave heating power 20KW, microwave action time 130s; A layer of transparent insulating cloth, after finishing, remove the transparent in...

Embodiment 3

[0055] A method for drying daylily using a freezing method to preserve color and solid shape, the steps are as follows:

[0056] (1) Destemming and rinsing with running water: select plump, green and slightly yellow fresh yellow flower buds that are harvested within 4 hours, remove the flower stalks of the day lily, and rinse with running water;

[0057] (2) Drain and plate: Drain the rinsed day lily until there is no water dripping, and spread it evenly on the special microwave tray; the way of draining the day lily can be mechanical vibration, electromagnetic vibration or natural Draining method, after draining, the thickness of the day lily is 4.5cm;

[0058] (3) Microwave heating and finishing: push the material tray into the 2450MHz microwave heating equipment to complete the treatment of the day lily; the conditions for finishing are: microwave heating power 20KW, microwave action time 115s; A layer of transparent insulating cloth, after finishing, remove the transparen...

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Abstract

The present invention discloses a drying method of color protecting and shape solidifying hemerocallis citrina using a freezing method. Fresh hemerocallis citrina buds are used as raw materials and the drying method comprises the following steps of stem removing, running water rinsing, draining, plate loading, microwave heating and enzyme deactivating; microwave drying and dehydrating, freezing and solidifying, three-stage far-infrared rotary baking and packaging. Beneficial effects are as follows: the hemerocallis citrina is subjected to the microwave heating and enzyme deactivating, the enzyme deactivated hemerocallis citrina is subjected to the microwave drying, and the dried hemerocallis citrina is subjected to the fast freezing and shape solidifying at a temperature of -5 to 5 DEG C. The drying method can effectively prevent the discoloration of the hemerocallis citrine and the rapid freezing can effectively prevent the deformation of the cell inactivated hemerocallis citrine and has the effect of solidifying shapes, so that the dried hemerocallis citrina is brighter in color and full in shapes.

Description

technical field [0001] The invention relates to the field of food processing, and more specifically relates to a method for drying daylily that preserves color and solidity by freezing. Background technique [0002] Yellow flower is the flower bud of the perennial herbaceous perennial plant of Liliaceae Daylily. It is rich in nutritional value, rich in protein, minerals and vitamins, especially carotene, which is the crown of vegetables. It also contains a variety of substances that the human body cannot synthesize by itself amino acid. Since ancient times, it has the reputation of "treasures on the table" and "view as a famous flower, use as a good medicine, and eat as a delicacy". At present, the yellow flower products on the market mainly include refrigerated fresh-keeping products and dehydrated dried products, among which dehydrated dried day lily is the main one. "A Method for Cold Storage and Preservation of Day Lily" (CN1875726A) discloses a method for cold storage...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L19/00A23L5/30A23B7/02A23B7/04
CPCA23B7/02A23B7/0425A23V2002/00A23V2300/10A23V2300/20A23V2300/24
Inventor 王琪源
Owner 渠县琦鑫源花卉苗木开发有限公司