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Cryopreservation method for persimmons

A low-temperature preservation technology for persimmons, applied in food preservation, food ingredients as anti-microbial preservation, freezing/refrigerating preservation of fruits/vegetables, etc. It can solve the problems of persimmon deterioration and affect the quality of eating, so as to avoid survival and pollution-free Side effects, effect of delaying decay

Pending Publication Date: 2019-12-06
HUBEI UNIV OF ARTS & SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The pathogenic microorganisms in the storage and transportation of persimmons are mainly bacteria and insects, which can easily cause the deterioration of stored persimmons, thus affecting the edible quality

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0037] A kind of persimmon cryopreservation method, comprises the following steps,

[0038] 1) Use 0.5ul / L methylcyclopropene to fumigate the harvested persimmons for 4 hours;

[0039] 2) Soak the fumigated persimmons in pure water for 5 minutes;

[0040] 3) Dry the surface of the persimmon;

[0041] 4) Persimmons are sprayed with oily wax containing cryopreservatives;

[0042] 5) drying the surface of the persimmon;

[0043] 6) Store the dried persimmons in a cold storage at a temperature of 4°C and a relative humidity of 70%.

[0044] 2. The low-temperature preservation method for persimmons, the low-temperature preservation agent described in step 4) is one or more of rose essential oil, motherwort extract, and Polygonum multiflorum extract.

[0045] The motherwort extract is prepared by the following method:

[0046] a. After drying and pulverizing Motherwort, add 30% ethanol aqueous solution, the total weight of which is 4 times of the weight of Motherwort after dryi...

no. 2 example

[0063] A kind of persimmon cryopreservation method, comprises the following steps,

[0064] 1) Use 0.8ul / L methylcyclopropene to fumigate the harvested persimmons for 5 hours;

[0065] 2) Soak the fumigated persimmons in pure water for 8 minutes;

[0066] 3) Dry the surface of the persimmon;

[0067] 4) Persimmons are sprayed with oily wax containing cryopreservatives;

[0068] 5) drying the surface of the persimmon;

[0069] 6) Store the dried persimmons in a cold storage at a temperature of 4°C and a relative humidity of 75%.

[0070] 2. The low-temperature preservation method for persimmons, the low-temperature preservation agent described in step 4) is one or more of rose essential oil, motherwort extract, and Polygonum multiflorum extract.

[0071] The motherwort extract is prepared by the following method:

[0072]a. After drying and pulverizing Motherwort, add 40% ethanol aqueous solution, the total weight of which is 4.5 times of the weight of Motherwort after dry...

no. 3 example

[0089] A kind of persimmon cryopreservation method, comprises the following steps,

[0090] 1) Use 1.0ul / L methylcyclopropene to fumigate the harvested persimmons for 6 hours;

[0091] 2) Soak the fumigated persimmons in pure water for 10 minutes;

[0092] 3) Dry the surface of the persimmon;

[0093] 4) Persimmons are sprayed with oily wax containing cryopreservatives;

[0094] 5) drying the surface of the persimmon;

[0095] 6) Store the dried persimmons in a cold storage at a temperature of 4°C and a relative humidity of 80%.

[0096] 2. The low-temperature preservation method for persimmons, the low-temperature preservation agent described in step 4) is one or more of rose essential oil, motherwort extract, and Polygonum multiflorum extract.

[0097] The motherwort extract is prepared by the following method:

[0098] a. Dry and pulverize Motherwort, add 50% ethanol aqueous solution, the total weight of the ethanol solution is 5 times the weight of Motherwort after dr...

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PUM

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Abstract

The invention discloses a cryopreservation method for persimmons. The cryopreservation method comprises the specific steps that (1) the harvested persimmons are fumigated through 0.5-1.0 [mu]l / L of methylcyclopropene for 4-6 hours; (2) the fumigated persimmons are placed in purified water to be soaked for 5-10 min; (3) the surfaces of the persimmons are blown dry; (4) oil wax containing a cryopreservation agent is sprayed on the persimmons; (5) the surfaces of the persimmons are dried; and (6) the dried persimmons are stored in a cold storage with the temperature being 4 DEG C and the relativehumidity being 70-80%. By adopting the cryopreservation method for the persimmons, the reliable and effective effects are achieved, pollution is avoided, and the side effect is small.

Description

technical field [0001] The invention relates to a low-temperature preservation method, in particular to a low-temperature preservation method for persimmons. Background technique [0002] Persimmon is sweet and astringent, cold in nature and non-toxic; persimmon is astringent in taste and flat in nature, and enters the lung, spleen, stomach, and large intestine meridians; Hemostasis and other functions can relieve dry stool, hemorrhoid pain or bleeding, dry cough, sore throat, high blood pressure and other symptoms. Therefore, persimmon is a natural health food for patients with chronic bronchitis, hypertension, arteriosclerosis, and internal and external hemorrhoids. If persimmon leaves are decocted or boiled as tea, it can also promote the body's metabolism, lower blood pressure, increase coronary blood flow, and relieve cough and reduce phlegm. It can tonify deficiency, relieve cough, benefit intestines, remove heat, stop bleeding, and satisfy hunger. [0003] The path...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/16A23B7/04
CPCA23B7/0425A23B7/16A23V2002/00A23V2200/22A23V2200/10A23V2250/21A23V2250/18A23V2250/082
Inventor 阎华于博黄升谋李玉奇李云捷汤尚文和平刘传菊李欢欢
Owner HUBEI UNIV OF ARTS & SCI
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