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Day lily preservative and day lily preservation method

A fresh-keeping method and day lily technology are applied in the directions of fruit and vegetable fresh-keeping, food preservation, food ingredients as antioxidants, etc., and can solve the problems of difficulty in meeting consumers' demand for fresh day lily, short fresh-keeping time, low economic benefits, etc. Conducive to long-term fresh-keeping, strong fresh-keeping effect, and prolonged storage time

Inactive Publication Date: 2018-03-09
大田县馨箐贸易有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Day lily, also known as golden needle, yellow flower grass and forget worry grass, etc., has been planted in my country for thousands of years. Day lily is rich in pollen, sugar, protein, vitamin C, calcium, fat, carotene, amino acids, etc. It is an essential nutrient for the human body, and its nature and taste are sweet and cool. It has medicinal effects such as hemostasis, anti-inflammatory, heat-clearing, and dampness-reducing. It has the reputation of "viewing as a flower, eating as a vegetable, and using as a medicine". It is a hot and rainy summer. After harvesting, it will start to brown and decay the next day under the condition of 25 ℃ ~ 30 ℃. Even if the day lily is packed in plastic wrap and stored in the refrigerator, the freshness period is only 15 ~ 20 days. Day lily, so the day lily on the market is mainly dry products, it is difficult to meet the demand of consumers for fresh day lily, and the price of dry day lily is half lower than that of fresh day lily, and the economic benefit is low
[0003] The Chinese patent application number 200610052374.3 discloses a fresh-keeping method for day lily by rinsing, pre-cooling, ozone treatment, bagging, adding preservatives, and storing at 2-4°C for a storage period of 2 months. The method requires large investment and short preservation time

Method used

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preparation example Construction

[0023] Further, the preparation method of the day lily preservative comprises the following steps:

[0024] S1. Weigh 30-50 parts of galangal and 40-55 parts of garlic, put the slices into water at 90-100° C. for 2 hours, and filter to obtain a mixed extract of galangal and garlic;

[0025] S2. Add 15-21 parts of Coptis chinensis extract and 13-17 parts of forsythia extract to the mixed extract in the above step S1, stir evenly, then add 4-9 parts of sodium benzoate and 3-5 parts of citric acid , to obtain a mixture;

[0026] S3, immerse 40-50 parts of edible starch into the mixed solution prepared in the above step S2, soak for 20-26 hours, dry to make a solid, put the solid into a gas-permeable packaging bag, Preservatives are prepared.

[0027] Further, the step 4 is specifically as follows: put the daylily drained in step 3 into the fresh-keeping solution and soak for 2-3 minutes, take it out and dry it naturally. The fresh-keeping solution is first composed of konjac fi...

Embodiment 1

[0032] A day lily preservative, prepared from the following raw materials: 30 parts of galangal, 40 parts of garlic, 40 parts of edible starch, 15 parts of Coptis chinensis extract, 13 parts of forsythia extract, 4 parts of sodium benzoate and 3 parts of citric acid .

[0033] The present invention also provides a fresh-keeping method for day lily using the above-mentioned day lily preservative, comprising the steps of:

[0034] Step 1, blanching the daylily for 60 seconds at 70°C;

[0035] Step 2. After blanching the day lily, put it into a cooling liquid at -2-0°C for cooling. The cooling liquid is a NaCl solution with a concentration of 5%, and cool and soak the day lily for 10-15 minutes;

[0036] Step 3, draining the daylily after cooling and soaking;

[0037] Step 4, put the daylily drained in step 3 into the fresh-keeping solution and soak for 2-3 minutes, take it out and dry it naturally. The fresh-keeping solution is composed of konjac fine powder, pomegranate peel ...

Embodiment 2

[0041] A day lily preservative, prepared from the following raw materials: 40 parts of galangal, 50 parts of garlic, 45 parts of edible starch, 18 parts of Coptis chinensis extract, 15 parts of forsythia extract, 6 parts of sodium benzoate and 4 parts of citric acid .

[0042] The present invention also provides a fresh-keeping method for day lily using the above-mentioned day lily preservative, comprising the steps of:

[0043] Step 1, blanching the day lily at 90°C for 50s;

[0044] Step 2. After blanching the day lily, put it into a cooling liquid at -2 to 0°C for cooling. The cooling liquid is a NaCl solution with a concentration of 7%, and cool and soak the day lily for 10 to 15 minutes;

[0045] Step 3, draining the daylily after cooling and soaking;

[0046]Step 4. Put the daylily drained in step 3 into the fresh-keeping solution and soak for 2-3 minutes, take it out and dry it naturally. The fresh-keeping solution is composed of konjac fine powder, pomegranate peel e...

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Abstract

The invention relates to an agricultural product preservative and an agricultural product preservation method, in particular to a day lily preservative and a day lily preservation method. The day lilypreservative comprises 30-50 parts of galangal, 40-55 parts of garlic, 40-50 parts of edible starch, 15-21 parts of coptis chinensis extract, 13-17 parts of forsythia extract, 4-9 parts of sodium benzoate and 3-5 parts of citric acid. According to the day lily preservation method utilizing the day lily preventative, fresh day lilies are subjected to heating, cooling, leaching, soaking and refrigerating. By the preservation method, the day lilies can be preserved for 12 months, are bright yellow, have due faint scent and taste crisp and delicious.

Description

technical field [0001] The invention relates to a fresh-keeping agent for agricultural products and a fresh-keeping method thereof, in particular to a fresh-keeping agent for day lily and a fresh-keeping method thereof. Background technique [0002] Day lily, also known as golden needle, yellow flower grass and forget worry grass, etc., has been planted in my country for thousands of years. Day lily is rich in pollen, sugar, protein, vitamin C, calcium, fat, carotene, amino acids, etc. It is an essential nutrient for the human body, and its nature and taste are sweet and cool. It has medicinal effects such as hemostasis, anti-inflammatory, heat-clearing, and dampness-reducing. It has the reputation of "viewing as a flower, eating as a vegetable, and using as a medicine". It is a hot and rainy summer. After harvesting, it will start to brown and decay the next day under the condition of 25 ℃ ~ 30 ℃. Even if the day lily is packed in plastic wrap and stored in the refrigerator, ...

Claims

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Application Information

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IPC IPC(8): A23B7/157A23B7/154A23B7/16A23B7/04
CPCA23B7/04A23B7/154A23B7/157A23B7/16A23V2002/00A23V2250/032A23V2250/21A23V2200/02A23V2200/10A23V2250/5118
Inventor 涂继星
Owner 大田县馨箐贸易有限公司
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