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Selenium-enriched purple sweet potato powder processing technology

A processing technology and technology of purple potato powder, applied in the field of food processing, can solve the problems of unfavorable eating, destroying the fragrance and nutrition of purple potato, affecting the taste and the like

Inactive Publication Date: 2012-11-21
谢伟
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The current manufacturing method of purple sweet potato powder has disadvantages: the use of high temperature or microwave drying will destroy the original fragrance and nutrition of purple sweet potato, and affect the taste. The starch in the tablet forms tendons, which is not conducive to eating or healthy

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A kind of selenium-enriched purple potato flour processing method of the present invention comprises the following steps:

[0021] 1. Cleaning: wash the selenium-enriched purple sweet potato, then drain;

[0022] 2. Slicing: Slice the purple sweet potato into slices with a slicer;

[0023] 3. Drying: Dry the purple potato chips in the sun until they are half-dried, until the moisture content of the purple potato chips is 45-60%;

[0024] 4. Drying: drying with air dryer;

[0025] 5. Crush: crush the purple potato chips with a grinder;

[0026] 6. Grinding: crush the purple potato chips and then use a noodle grinder to grind the chips into powder.

Embodiment 2

[0028] A kind of selenium-enriched purple potato flour processing method of the present invention comprises the following steps:

[0029] 1. Cleaning: wash the selenium-enriched purple sweet potato, then drain;

[0030] 2. Slicing: Slice the purple sweet potato into slices with a slicer;

[0031] 3. Drying: Dry the purple potato chips in the sun until they are half-dried, until the moisture content of the purple potato chips is 45-60%;

[0032] 4. Drying: drying with air dryer;

[0033] 5. Air dryer drying combined with sterilization processing technology;

[0034] 6. Crush: crush the purple potato chips with a grinder;

[0035] 7. Grinding: crush the purple potato chips and then use a noodle grinder to grind the chips into powder.

Embodiment 3

[0037] A kind of selenium-enriched purple potato flour processing method of the present invention comprises the following steps:

[0038] 1. Cleaning: wash the selenium-enriched purple sweet potato, then drain;

[0039] 2. Slicing: Slice the purple sweet potato into slices with a slicer;

[0040] 3. Drying: Dry the purple potato chips in the sun until they are half-dried, until the moisture content of the purple potato chips is 45-60%;

[0041] 4. Drying: drying with air dryer;

[0042] 5. Sterilization: Drying by air dryer combined with sterilization process;

[0043] 6. Crush: crush the purple potato chips with a grinder;

[0044] 7. Grinding: crush the purple potato chips and then use a noodle grinder to grind the chips into powder.

[0045] 8. Vacuum packaging: In order to prevent the selenium-enriched dried purple potatoes from sticking to each other in large packages, which will affect the appearance and the convenience of eating, plastic

[0046] Vacuum small packa...

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PUM

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Abstract

The invention discloses a selenium-enriched purple sweet potato powder processing technology. The selenium-enriched purple sweet potato powder processing technology comprises the following steps of washing, draining, cutting, drying purple sweet potato slices in the sun until semi-dried purple sweet potato slices having moisture content of 45 to 60% are obtained, drying by an air dryer, carrying out sterilization by an air dryer drying-sterilization combined technology, crushing the dried purple sweet potato slices by a crusher, grinding the crushed purple sweet potato slices into powder by a flour-milling machine, and carrying out vacuum packaging. Through the combination of air-drying and air-dryer drying, the selenium-enriched purple sweet potato powder processing technology does not destroy nutritional values of purple sweet potatoes, retains an original taste of purple sweet potatoes, and shortens purple sweet potato powder production processes. Purple sweet potato powder obtained by the selenium-enriched purple sweet potato powder processing technology has a beautiful color and is rich in nutrients.

Description

technical field [0001] The invention relates to a processing method of selenium-enriched purple potato flour, which belongs to the technical field of food processing. Background technique [0002] Purple potato is also called black potato, and the potato flesh is purple to dark purple. In addition to the nutrients of ordinary sweet potatoes, it is also rich in selenium and anthocyanins. Purple sweet potato is rich in nutrition and has special health functions. It contains about 20% protein, including 18 kinds of amino acids, which are easily digested and absorbed by the human body, including 8 kinds of vitamins such as vitamin C, B, and A, and more than 10 kinds of vitamins such as phosphorus and iron. Mineral elements, the anthocyanins rich in it have significant antioxidant properties and anti-aging functions; French scientist Dr. Masquelle discovered that anthocyanins are natural and powerful free radical scavengers. Anthocyanins have preventive and therapeutic effects ...

Claims

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Application Information

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IPC IPC(8): A23L1/2165A23L19/15
CPCY02A40/90
Inventor 谢伟
Owner 谢伟
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