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A kind of morel fresh-keeping agent and application

A technology of morels and preservatives, applied in the field of preservatives, can solve the problems of covering the color and flavor of morels, poor flavor acceptability, and affecting color, etc., and achieves enhanced fresh-keeping effects, simple and easy-to-operate methods, and low cost Effect

Active Publication Date: 2020-04-21
东莞东阳光保健品研发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, these fresh-keeping techniques may cover up the color and flavor of the morel itself, that is, the flavor is poorly acceptable, such as potassium sorbate as a bacteriostatic agent or preservative, which has a bad smell, and the use of edible oil may affect the color.
At present, domestic academic circles have few studies on the preservation of morels among edible fungi. Some master thesis mentioned that the polysaccharide extract of Dictyophora spinosa mycelium can be directly used as a fresh-keeping agent for morels. This method may cause Bring in other odors

Method used

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  • A kind of morel fresh-keeping agent and application
  • A kind of morel fresh-keeping agent and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Embodiment 1: the preparation of Morchella preservative and its fresh-keeping effect test 1

[0036] a, preparation of Morchella preservative

[0037] The morel preservative is composed of the following ingredients according to a certain mass percentage: first, 0.15% morel polysaccharide is dissolved in water, stirred to dissolve, and then 0.13% morel chitosan, 0.12% morel chitosan, 0.12% ascorbic acid, 0.1% Acetic acid, 0.15% sodium chloride, and the rest are water, stirred to dissolve, and left at room temperature for later use.

[0038] Wherein, Morchella polysaccharide is prepared according to the following steps:

[0039] (1) cross 100 orders after the freeze-dried Morchella fruiting body tissue is pulverized, obtain Morchella spp. powder;

[0040] (2) add the water of 30 times of volumes to the morel powder described in step (1), place ultrasonic extraction in ultrasonic extractor, temperature is 60 ℃ of constant temperature, ultrasonic power is 400W, ultrasonic...

Embodiment 2

[0053] Embodiment 2: the preparation of Morchella preservative and its fresh-keeping effect test 2

[0054] a, preparation of Morchella preservative

[0055] The morel preservative is composed of the following components according to a certain mass percentage: first, 0.2% morel polysaccharide is dissolved in water, stirred to dissolve, and then 0.15% morel chitosan, 0.14% morel chitosan, 0.14% ascorbic acid, 0.12% lemon Acid, 0.17% sodium chloride, and the rest are water, stir to dissolve, and set aside at room temperature for later use. Wherein, Morchella polysaccharide and Morchella chitosan are derived from the products obtained by the preparation method of Morchella polysaccharide and Morchella chitosan in Example 1.

[0056] b, the fresh-keeping effect test of Morchella preservative 2

[0057] Select individual intact fresh Morchella sporozoites, clean them, drain them, soak them in preservatives for 10 minutes, take them out and drain them, put them in a plate and seal...

Embodiment 3

[0059] Embodiment 3: the using method of Morchella preservative and its fresh-keeping effect test 3

[0060] a, the use method of Morchella preservative

[0061] (1) Dehumidification of Morchella: the freshly harvested thallus is complete, bright in color, and free from pests and diseases. The morels fruiting body is washed, and then placed in a refrigerator after being naturally drained, and the indoor temperature is maintained at 25 ℃, and the water vapor in the air is removed, And continuously introduce dry air, the pressure of the dry air is 1KPa, and process 30min;

[0062] (2) Morchella decompression pre-cooling treatment: described refrigerating chamber is carried out vacuum treatment, the pressure in described refrigerating chamber is kept at 0.5KPa, and in 20min, the temperature in described refrigerating chamber is down to 1 ℃; After 5h, the pressure of the refrigerating chamber was slowly adjusted to atmospheric pressure, and the Morchella was taken out;

[0063] ...

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Abstract

The invention discloses a fresh keeping agent for morchella and an application thereof and belongs to the field of fresh keeping of edible mushrooms. The fresh keeping agent includes morchella polysaccharide extract, morchella chitosan, ascorbic acid, a pH regulator, sodium chloride, and the balanced being water. The application includes the steps of: cleaning fresh morchella fruiting bodies and performing dehumidification; performing pressure-reduced pre-freezing treatment; soaking the morchella in the fresh keeping agent for 7-10 min, draining the morchella, placing the morchella on a plate and sealing the plate, and sealedly storing the morchella at 3-5 DEG C away from light. The fresh keeping agent is safe and high-effective and has no toxic and side effects on human body, can effectively prolong the fresh keeping time of fresh morchella and maintain the flavor and color of the morchella, is easy to carry out and has good fresh keeping effects.

Description

technical field [0001] The invention relates to the field of edible mushroom fresh-keeping, in particular to a fresh-keeping agent using Morchella polysaccharide and Morchella chitosan as natural fresh-keeping components and application thereof. Background technique [0002] Morels, also known as delicious morels, are commonly known as guinea pigs, guinea pigs, etc. It belongs to the subphylum Ascomycota, the class of disc fungi, the order of disc fungi, the family of morels, and the genus of morels. Morels have a sponge-like honeycomb cap and are called morels because of their resemblance to morels. Morel is known as the first of the "Four Famous Wild Famous Mushrooms", a tribute to the palace, and the top Italian ingredients. It has extremely high nutritional value and medicinal value. It is a large-scale edible and medicinal fungus. Modern chemical research has proved that Morchella has anti-fatigue, antibacterial, antiviral, antitumor and other effects. Among them, the...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23B7/154A23B7/157A23B7/04A23B7/00
CPCA23B7/00A23B7/04A23B7/154A23B7/157A23V2002/00A23V2250/208
Inventor 李春红艾中李文佳朱志钢钱正明
Owner 东莞东阳光保健品研发有限公司
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