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Nutritious dried blueberry fruit and preparation method thereof

A technology of blueberry fruit and nutrition, applied in the direction of preserving fruits/vegetables through dehydration and preservation of fruits/vegetables through radiation/electrical treatment, etc., which can solve problems such as economic losses of growers and enterprises, difficulties in blueberry planting methods, and high prices in the blueberry market , to achieve the effect of eating suitable for all ages, improving functional immunity, and strong antioxidant capacity

Inactive Publication Date: 2019-07-26
邓光
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the difficulty in planting blueberries and the scarcity of varieties, the market price of blueberries is relatively high
If blueberries are dehydrated and rotten due to improper storage, it will bring huge economic losses to growers and enterprises

Method used

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  • Nutritious dried blueberry fruit and preparation method thereof
  • Nutritious dried blueberry fruit and preparation method thereof
  • Nutritious dried blueberry fruit and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] The preparation method of nutritious blueberry dried fruit comprises the following steps:

[0051] (1) Screen the fresh blueberry fruits without mildew, disease, and mechanical damage, wash with water, place them naturally for 3 hours, and drain the surface water;

[0052] (2) Blanch the blueberries treated in step (1) in 0.1wt% citric acid aqueous solution for 40 seconds, then place them in cold water to cool to 35° C., take out and drain the surface moisture;

[0053] (3) putting the blueberries processed in step (2) into a hot-air drying box, and drying them with hot air until the water content is 68wt%;

[0054] (4) Place the blueberries treated in step (3) in the soaking solution, soak for 20 minutes, take them out and let them stand naturally for 3 hours to drain the surface water;

[0055] (5) Put the blueberries processed in step (4) into a hot air drying box, and dry them with hot air until the water content is 12wt%;

[0056] (6) Place the blueberries treate...

Embodiment 2

[0067] The preparation method of nutritious blueberry dried fruit comprises the following steps:

[0068] (1) Screen the fresh blueberry fruits without mildew, disease, and mechanical damage, wash with water, place them naturally for 3 hours, and drain the surface water;

[0069] (2) Blanch the blueberries treated in step (1) in 0.1wt% citric acid aqueous solution for 40 seconds, then place them in cold water to cool to 35° C., take out and drain the surface moisture;

[0070] (3) putting the blueberries processed in step (2) into a hot-air drying box, and drying them with hot air until the water content is 68wt%;

[0071] (4) Place the blueberries treated in step (3) in the soaking solution, soak for 20 minutes, take them out and let them stand naturally for 3 hours to drain the surface water;

[0072] (5) Put the blueberries processed in step (4) into a hot air drying box, and dry them with hot air until the water content is 12wt%;

[0073] (6) Place the blueberries treate...

Embodiment 3

[0085] The preparation method of nutritious blueberry dried fruit comprises the following steps:

[0086] (1) Screen the fresh blueberry fruits without mildew, disease, and mechanical damage, wash with water, place them naturally for 3 hours, and drain the surface water;

[0087] (2) Blanch the blueberries treated in step (1) in 0.1wt% citric acid aqueous solution for 40 seconds, then place them in cold water to cool to 35° C., take out and drain the surface moisture;

[0088] (3) putting the blueberries processed in step (2) into a hot-air drying box, and drying them with hot air until the water content is 68wt%;

[0089] (4) Place the blueberries treated in step (3) in the soaking solution, soak for 20 minutes, take them out and let them stand naturally for 3 hours to drain the surface water;

[0090] (5) Put the blueberries processed in step (4) into a hot air drying box, and dry them with hot air until the water content is 12wt%;

[0091] (6) Place the blueberries treate...

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Abstract

The invention discloses a nutritious dried blueberry fruit and a preparation method thereof. The preparation method includes the following steps: (1) cleaning and draining; (2) blanching; (3) tiling the blueberries treated in the step (2) into a hot air drying tank, and drying the blueberries by hot air until the water content is 65-70wt%; (4) soaking; (5) putting the blueberries treated in the step (4) into the hot air drying tank, and drying the blueberries by hot air until the water content is 5-20wt%; and (6) sterilizing the blueberries in the step (5) through the ultraviolet radiation toobtain the product. The nutritious dried blueberry fruit has good taste, high nutritive value, easy storage and transportation, avoids a large loss of nutritional components such as thermosensitive substances, active substances and the like caused by the traditional process; and the method protects the nutrition in the original blueberry fruit to the maximum extent, improves the nutritive value, and has the advantages of low fat, low sugar, convenience for eating, suitability for all ages and the like by adding xylitol and traditional Chinese medicine extracts, has particularly strong antioxidant capacity, and can play the effects of delaying aging and improving functional immunity.

Description

technical field [0001] The invention belongs to the technical field of food processing, and in particular relates to a nutritious dried blueberry fruit and a preparation method thereof. Background technique [0002] Blueberry, belonging to the genus Vaccinium of Ericaceae, scientific name bilberry, is rich in medicinal and health-care substances such as anthocyanins, vitamins, ellagic acid, flavonoids, etc., and is known as the "king of berries". Listed by the United Nations Food and Agriculture Organization as one of the five health foods for human beings, it is a blue berry that combines nutrition and health care. Berries are rich in nutrients, which can prevent the aging of brain nerves, protect eyesight, strengthen the heart, fight cancer, soften blood vessels, and enhance human immunity. Blueberries are rich in anthocyanins, which can activate the retina, strengthen eyesight and prevent eye fatigue. [0003] The quality change of blueberries is mainly due to the relea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23B7/015A23B7/02
CPCA23B7/015A23B7/02
Inventor 邓光
Owner 邓光