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Day lily anoxic drying method and baking device

A drying method and technology for day lily, applied in the direction of preservation of fruits and vegetables, preservation of fruits/vegetables by dehydration, food preservation, etc., can solve the problems of short drying time, inability to effectively remove the green color on the surface of vegetable strips, unsightly black and green, etc. Beautiful color, improved market value, high nutritional quality

Active Publication Date: 2018-11-13
HUNAN AGRICULTURAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the process of drying day lily with mechanical equipment, due to the short drying time and the lack of ultraviolet radiation, the green color on the surface of the vegetable strips cannot be effectively removed, showing an ugly black-green color, which is often called green strips. , consumers do not accept this dish, so there is no market

Method used

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  • Day lily anoxic drying method and baking device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Add 20 mL of peroxidase with an enzyme activity of 400,000 U / mL and 15 g of catalase with an enzyme activity of 500,000 U / mL to 1,000 mL of purified water to prepare a compound enzyme solution, soak 1 Kg of fresh day lily in the above compound enzyme solution , treated at room temperature for 70 minutes, removed and drained. Wrap 2.0g Maoyanberry powder with a particle size of 100 mesh and put it into the bottom of a PVC plastic bag, then put the above-mentioned day lily into the plastic bag, seal it immediately, and then store it in an incubator at 45°C for 4 hours to make the day lily The dish turns yellow, and then the day lily is added into the ozone water pool for immersion in ozone water with a concentration of 0.4 mg / L. Then remove and drain; then dry the day lily with hot air at 55°C for 120 minutes until the moisture content is 45-50% (wet basis), and then stack it on a 10-mesh stainless steel drying net with a stacking thickness of 25-30cm. The surface of the ...

Embodiment 2

[0061] Add 400mL of peroxidase with an enzyme activity of 400,000U / mL and 300g of catalase with an enzyme activity of 500,000U / mL to 20,000 mL of purified water to prepare a compound enzyme solution, soak 20Kg of fresh day lily in the above compound enzyme solution , treat at room temperature for 60 minutes, remove and drain. Wrap 40.0g Maoyanberry powder with a particle size of 120 mesh and put it into the bottom of a PVC plastic bag, then put the above-mentioned day lily into the plastic bag, seal it immediately, and then store it in an incubator at 40°C for about 5 hours. The day lily turns yellow, and then the day lily is added to the color protection equipment and soaked in ozone water with a concentration of 0.5mg / L. Then remove and drain, then dry the day lily with hot air at 55°C for 120 minutes until the water content is 45-50% (wet basis), and then stack it on a 10-mesh stainless steel drying net with a stacking thickness of 25-30cm. The surface of the day lily shoul...

Embodiment 3

[0063] Add 400mL of peroxidase with an enzyme activity of 400,000U / mL and 300g of catalase with an enzyme activity of 500,000U / mL to 20,000 mL of purified water to prepare a compound enzyme solution, soak 20Kg of fresh day lily in the above compound enzyme solution , treated at room temperature for 90 minutes, removed and drained. Wrap 20.0g Maoyanberry powder with a particle size of 80 mesh and put it into the bottom of a PVC plastic bag, then put the above-mentioned day lily into the plastic bag, seal it immediately, and then store it in an incubator at 45°C for about 5 hours. The day lily turns yellow, and then the day lily is added to the color protection equipment and soaked in ozone water with a concentration of 0.45mg / L. Then remove and drain; then dry the day lily with hot air at 55°C for 120 minutes until the moisture content is 45-50% (wet basis), and then stack it on a 10-mesh stainless steel drying net with a stacking thickness of 25-30cm. The surface of the day li...

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Abstract

The present invention discloses a day lily anoxic drying method. The day lily anoxic drying method comprises the following steps: raw material selecting, compound enzyme solution preparing, mixed enzymatic hydrolyzing, sealing and storing, ozonated water soaking, river sand covering, anoxic drying, etc. The provided day lily anoxic drying method is beneficial to adjusting the color and luster of the surface of the day lily, can remove the green color on the surface of the day lily, obtains the day lily presenting yellow surface, and enables the day lily to be more beautiful in color and higherin nutritional quality.

Description

technical field [0001] The invention relates to a food processing method, in particular to a method for drying day lily with low oxygen and baking equipment. Background technique [0002] day lily ( Hemerocallis Fulvs ), also known as day lily, commonly known as lily flower, is a perennial herb of Liliaceae, and its edible part is a flower bud. It is a characteristic vegetable in my country. Daylily has high nutritional value, contains carbohydrates, proteins, vitamins, inorganic salts and various essential amino acids, and is delicious. It has the reputation of the king of vegetables and is deeply loved by consumers. [0003] The planting area of ​​daylily in Qidong County, Hunan Province is 160,000 mu, with an annual output of 240,000 tons of fresh vegetables and a total output value of more than 800 million yuan, accounting for 28.9% of the total output value of the county's planting industry. More than 400,000 vegetable farmers are engaged in the daylily industry. The ...

Claims

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Application Information

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IPC IPC(8): A23N12/08A23B7/02A23B7/022A23B7/154A23B7/155
CPCA23B7/0205A23B7/022A23B7/154A23B7/155A23N12/08
Inventor 杨大伟
Owner HUNAN AGRICULTURAL UNIV
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