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Pretreatment method for day lily buds before flue-curing barn drying

A daylily and pretreatment technology, which is applied to the preservation of fruits and vegetables, the function of food components, food preservation, etc., can solve the problems of unsightly color and luster of daylily, and achieve the effects of avoiding food safety problems, low processing cost and beautiful color.

Inactive Publication Date: 2017-08-08
HUNAN AGRICULTURAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problem of the unsightly color of the day lily dried in the barn and provide a pretreatment method for the day lily before drying in the barn

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0018] After 100kg of boiling water was cooled, 27g of natamycin and 550g of kojic acid were added to it to prepare a biological preservation solution. Soak 25kg of fresh day lily picked in biological preservation solution for 20-30 minutes, remove, seal and pack in PVC plastic bags, and store at room temperature for 1-2 days. After another 100kg of boiling water was cooled, 25g of natamycin, 550g of kojic acid, 150g of 40% ethephon water agent and 1.5g of ketomethyl jasmonate were added to it to prepare a greening agent. At room temperature, soak the treated day lily that has lost its flowering ability in a chlorotic agent for 1-2 hours, then fish it out, seal it in a PVC plastic bag, and store it for 2-3 days until the green color fades and turns yellow.

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Abstract

The invention discloses a pretreatment method for day lily buds before flue-curing barn drying. The pretreatment method comprises the following steps: firstly utilizing cooled boiling water, natamycin and kojic acid to prepare biological preservation solution, soaking picked day lily buds in the biological preservation solution for 20 to 30 minutes, fishing out, sealing, packaging and storing for 1 to 2 days in room temperature to inhibit blooming; then utilizing the natamycin, the kojic acid, 40% ethephon aqueous solution and methyl jasmonate to prepare a chlorox; soaking the pretreated day lily buds losing blooming capacity in the chlorox for 1 to 2 hours under room temperature condition, fishing out, sealing, storing for 2 to 3 days, fading green and presenting yellow. According to the pretreatment method, biological food additives are utilized under low temperature condition, so that the problem of food security caused by chemical additives is avoided. The pretreatment method disclosed by the invention is simple, and is suitable for village farmers, small and micro enterprises and scale enterprises to use and the processing cost is low.

Description

technical field [0001] The invention relates to a pretreatment method for drying day lily, in particular to a pretreatment method for day lily before drying in a barn. 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 indus...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L19/00A23B7/154A23B7/148A23L5/41
CPCA23B7/148A23B7/154A23V2200/00A23V2200/04
Inventor 杨大伟钟菊英
Owner HUNAN AGRICULTURAL UNIV
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