Purple sweet potato beverage and instant solid powder thereof

A technology of solid powder and purple sweet potato powder, which is applied in the field of food processing to achieve the effect of uniform temperature, low temperature and good drying quality

Inactive Publication Date: 2015-04-08
WUHAN ZIZHILAN FOOD TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, the whole powder of purple sweet potato is insoluble and gelatinized by boiling water. It is not a real instant purple swe...

Method used

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  • Purple sweet potato beverage and instant solid powder thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A purple sweet potato instant solid powder is prepared by the following method:

[0023] 1) Colloid mill: Take 0.95 parts of purple sweet potato powder, add 9.8 parts of water, 0.1 part of tartaric acid, and 0.3 parts of potassium hydrogen tartrate, stir and mix evenly, then pour into the colloid mill for refining, adjust the pore size of the colloid mill to make the particle size between 15 to 30 microns to obtain purple sweet potato pulp.

[0024] 2) Filtration: Pour the purple sweet potato pulp into 300-mesh gauze and filter to obtain the purple sweet potato extract.

[0025] 3) Preparation of instant purple sweet potato solid beverage: Take 9 parts of purple sweet potato extract and carry out microwave vacuum drying, microwave frequency 2450MHz, microwave equipment power 28KW, vacuum pump power 4KW, drying temperature 40°C-75°C, drying time 38min. Put the dry matter into a pulverizer for crushing, pass through a 40-mesh sieve to obtain instant purple sweet potato p...

Embodiment 2

[0027] A purple sweet potato instant solid powder is prepared by the following method:

[0028] 1) Colloid mill: Take 1.1 parts of purple sweet potato powder, add 11 parts of water, 0.3 parts of tartaric acid, and 0.1 part of potassium hydrogen tartrate, stir and mix evenly, then pour into the colloid mill for refining, adjust the pore size of the colloid mill, so that the particle size is between 15 to 30 microns to obtain purple sweet potato pulp.

[0029] 2) Filtration: Pour the purple sweet potato pulp into 300-mesh gauze and filter to obtain the purple sweet potato extract.

[0030] 3) Preparation of instant purple sweet potato solid beverage: take 10.5 parts of purple sweet potato extract and carry out microwave vacuum drying, microwave frequency 2450MHz, microwave equipment power 28KW, vacuum pump power 4KW, drying temperature 40°C-75°C, drying time 38min. Put the dry matter into a pulverizer for crushing, pass through a 40-mesh sieve to obtain instant purple sweet pot...

Embodiment 3

[0032] A purple sweet potato instant solid powder is prepared by the following method:

[0033] 1) Colloid milling: Take 1 part of purple sweet potato powder, add 10.5 parts of water, 0.2 parts of tartaric acid, and 0.2 parts of potassium hydrogen tartrate, stir and mix evenly, then pour into the colloid mill for refining, adjust the pore size of the colloid mill to make the particle size between 15 to 30 microns to obtain purple sweet potato pulp.

[0034] 2) Filtration: Pour the purple sweet potato pulp into 300-mesh gauze and filter to obtain the purple sweet potato extract.

[0035] 3) Preparation of instant purple sweet potato solid beverage: take 10 parts of purple sweet potato extract and carry out microwave vacuum drying, microwave frequency 2450MHz, microwave equipment power 28KW, vacuum pump power 4KW, drying temperature 40°C-75°C, drying time 38min. Put the dry matter into a pulverizer for crushing, pass through a 40-mesh sieve to obtain instant purple sweet potato...

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Abstract

The invention provides a purple sweet potato beverage. The purple sweet potato beverage is prepared from the following components in parts by weight: 0.95-1.1 parts of purple sweet potato whole meal, 0.1-0.3 part of tartaric acid, 0.1-0.3 part of potassium bitartrate, 5-10 parts of maltodextrin, 3-4 parts of xylitol, 0.05-0.08 part of protein sugar, 0.1-0.2 part of table salt, 0.1-0.2 part of ethyl maltol, 0.1-0.2 part of sodium caseinate and 0.1-0.2 part of lecithin. According to the purple sweet potato beverage, essences are not added and the mouth feel is good; and meanwhile, the instant speed of the instant solid powder is good and the mouth feel, the color and the taste of the instant solid powder are the same as those of a liquid-state purple sweet potato beverage.

Description

technical field [0001] The invention belongs to the technical field of food processing, and in particular relates to a purple sweet potato drink and instant solid powder thereof. Background technique [0002] The annual planting area of ​​purple sweet potato in my country is 6.16 million hectares, with a total output of 117 million tons. Purple sweet potato powder has formed an industry, and the raw materials of purple sweet potato powder are easy to buy. Purple sweet potato is rich in protein, vitamins, minerals, dietary fiber, etc., and is rich in selenium and anthocyanins that have health effects. Purple sweet potato is a healthy food raw material, which has health effects such as enhancing immunity, preventing diabetes, preventing cardiovascular and cerebrovascular diseases, preventing liver diseases, preventing cancer, anti-oxidation, anti-aging, and beauty. In order to make full use of the healthy food resource of purple sweet potato, purple sweet potato (instant soli...

Claims

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Application Information

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IPC IPC(8): A23L2/02A23L2/08A23L2/39
CPCA23L2/39A23L2/10
Inventor 黄泽元黄杰
Owner WUHAN ZIZHILAN FOOD TECH
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