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Method for preparing crispy dried sweet potatoes

A technology for dried sweet potato and sweet potato, applied in the direction of food science and the like, can solve the problems of high water content of sweet potato, unfavorable storage and transportation, etc., and achieve the effects of pure aroma, good economic benefit prospect, and sufficient raw materials

Inactive Publication Date: 2016-03-16
刘楚玲
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] China is rich in sweet potato resources, but the water content of sweet potatoes is high, which is not conducive to storage and transportation

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] (1) Material selection: choose fresh white sweet potatoes that are free from insects, large in size, smooth and flat, and easy to clean as processing raw materials;

[0023] (2) Treatment: Wash the selected sweet potatoes with clean water to remove impurities such as sediment on the surface, then peel and cut into strips;

[0024] (3) Steaming: Put the sliced ​​sweet potatoes into the cooking pot and cook until 7 mature;

[0025] (4) Drying: In the hot air drying oven, dry the steamed sweet potatoes until they make a crisp sound when they are picked;

[0026] (5) Soaking: Put the dried sweet potatoes in one-fold dilution of edible white wine at 60 degrees, and soak for 40 minutes, until it is basically soaked soft, and it is basically soaked from the cross-section, and the center is not dry;

[0027] (6) Air drying: After soaking properly, drain the water, spread out and dry in a cool environment with natural ventilation, for 10 hours, until the water and ethanol diffu...

Embodiment 2

[0032] (1) Material selection: choose fresh white sweet potatoes that are free from insects, large in size, smooth and flat, and easy to clean as processing raw materials;

[0033] (2) Treatment: Wash the selected sweet potatoes with clean water to remove impurities such as sediment on the surface, then peel and cut into strips;

[0034] (3) Steaming: Put the sliced ​​sweet potatoes into the cooking pot and cook until 7 mature;

[0035] (4) Drying: In the hot air drying oven, dry the steamed sweet potatoes until they make a crisp sound when they are picked;

[0036] (5) Soaking: Put the dried sweet potatoes in one-fold dilution of edible white wine at 60 degrees, and soak for 45 minutes, until it is basically soaked soft, basically soaked from the cross-section, and the center is not dry;

[0037] (6) Air drying: After soaking properly, drain the water, spread out and dry in a cool environment with natural ventilation, for 12 hours, until the water and ethanol diffuse evenly;...

Embodiment 3

[0042] (1) Material selection: choose fresh white sweet potatoes that are free from insects, large in size, smooth and flat, and easy to clean as processing raw materials;

[0043] (2) Treatment: Wash the selected sweet potatoes with clean water to remove impurities such as sediment on the surface, then peel and cut into strips;

[0044] (3) Steaming: Put the sliced ​​sweet potatoes into the cooking pot and cook until 8 mature;

[0045] (4) Drying: In the hot air drying oven, dry the steamed sweet potatoes until they make a crisp sound when they are picked;

[0046] (5) Soaking: Put the dried sweet potatoes in one-fold dilution of edible white wine at 60 degrees, soak for 50 minutes, until the soaking is basically soft, basically soaked from the cross-section, and the center is not dry;

[0047] (6) Air drying: After soaking properly, drain the water, spread out and dry in a cool environment with natural ventilation, for 14 hours, until the water and ethanol diffuse evenly; ...

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PUM

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Abstract

The invention relates to a method for preparing crispy dried sweet potatoes and belongs to the technical field of agricultural product processing. According to the method, fresh white sweet potatoes which are free of worm damage, large in size, smooth in surface and easy to clean are adopted as the raw material, pretreatment including cleaning, peeling and slitting is conducted, then the sweet potatoes are cooked in a pot to be medium-well, transferred to an oven to be baked till surfaces become crispy, soaked with baijiu till the sweet potatoes become wet and soft, taken out, dried, placed in a vacuum fryer to be fried, subjected to centrifugation with a deoiling centrifuge, cooled and subjected to nitrogen-filled packing, and finally the crispy dried sweet potatoes which taste delicious, strong and pure and have a durable aftertaste are obtained.

Description

technical field [0001] The invention relates to a method for processing and preparing crispy dried sweet potatoes, belonging to the technical field of agricultural product processing. Background technique [0002] Sweet potato, also known as sweet potato, sweet potato, sweet potato, sweet potato, sweet potato, sweet potato, yam, yam, etc., is an annual plant of Convolvulaceae. Sweet potatoes have a long history and are planted in most parts of China. The planting area is large, the yield is high, and the resources are very rich. It is one of the four major food crops in China. The comprehensive utilization and deep processing of sweet potatoes have broad prospects. [0003] Sweet potatoes have many good names, such as "longevity food" and "king of anti-cancer". Europeans and Americans praised it as "second bread", former Soviet scientists said it was "space food" in the future, and French called it "advanced health care". Food", this is because sweet potatoes have significa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L19/12
Inventor 刘楚玲
Owner 刘楚玲
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