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Method for preparing instant purple sweet potato microcapsule full powder

A purple sweet potato, microcapsule technology, applied in food preparation, application, food science and other directions, to achieve the effect of fast water absorption, cost reduction, and gene mutation reduction

Inactive Publication Date: 2012-06-06
XIHUA UNIV +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

And microencapsulation technology is used in the whole powder of sweet potato and there is also little report in China.

Method used

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  • Method for preparing instant purple sweet potato microcapsule full powder
  • Method for preparing instant purple sweet potato microcapsule full powder

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] The preparation method of the present embodiment instant purple sweet potato microcapsule powder comprises the following main steps:

[0029] (1) Pretreatment: Select fresh Southern Purple Potato 008 without rot, scars, and mildew spots, and wash it with clean water to remove impurities such as silt on the surface;

[0030] (2) Beating: Slice the pretreated purple sweet potato, control the thickness of 2mm, add water twice the weight of the sweet potato, and beat it with a beater to make mud. );

[0031](3) Prepare wall material solution: While beating, prepare a mixed solution containing ascorbic acid and maltodextrin (DE value 20) (as a wall material), in which the concentration of L-ascorbic acid is 1% (referring to the mixed solution The percentage by weight, the same below), the concentration of maltodextrin is 3%;

[0032] (4), mixing and homogenizing: mix the purple sweet potato puree obtained in step (2) and the mixed solution prepared in (3) at a weight ratio...

Embodiment 2

[0038] The preparation method of the present embodiment instant purple sweet potato microcapsule powder comprises the following main steps:

[0039] (1) Pretreatment: Select about 1 kg of fresh Sichuan purple sweet potatoes without rot, scars, and mildew spots, and wash them with clean water to remove impurities such as silt on the surface;

[0040] (2) Beating: Slice the pretreated purple sweet potato, control the thickness of 3mm, add water 3 times the weight of sweet potato, and beat it with a beater to make mud. );

[0041] (3) Prepare wall material solution: While beating, prepare a mixed solution containing ascorbic acid and maltodextrin (DE value 20) (as a wall material), in which the concentration of L-ascorbic acid is 0.8% (referring to the mixed solution The percentage by weight, the same below), the concentration of maltodextrin is 5%;

[0042] (4) Mixing and homogenization: Mix the purple sweet potato puree obtained in step (2) and the mixed solution prepared in ...

Embodiment 3

[0048] The preparation method of the present embodiment instant purple sweet potato microcapsule powder comprises the following main steps:

[0049] (1) Pretreatment: Select about 1 kg of fresh Sichuan purple sweet potatoes without rot, scars, and mildew spots, and wash them with clean water to remove impurities such as silt on the surface;

[0050] (2) Beating: Slice the pretreated purple sweet potato, control the thickness of 4mm, add water 4 times the weight of sweet potato, and beat it with a beater to make mud. );

[0051] (3) Prepare wall material solution: While beating, prepare a mixed solution containing ascorbic acid and maltodextrin (DE value 20) (as a wall material), in which the concentration of L-ascorbic acid is 0.6% (referring to the mixed solution The percentage by weight, the same below), the concentration of maltodextrin is 7%;

[0052] (4) Mixing and homogenization: Mix the purple sweet potato mash obtained in step (2) and the mixed solution prepared in (...

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Abstract

The invention discloses a method for preparing instant purple sweet potato microcapsule full powder, which comprises the following steps of: preprocessing, pulping, preparing wall material solution, mixing, homogenizing, spray drying and the like. By combining the selection of a specific wall material with operating steps and the selection of parameter conditions, two procedures of color protection and microcapsulation are integrated, so the method has the advantages of simple flow and easy operation, can maintain coloring matters, nutrients, flavor substances and the like of purple sweet potatoes to the maximum, and the obtained finished product purple sweet potato microcapsule full powder has the advantages of fine granules, large specific surface area, low viscosity, good dispersability and high water absorption speed.

Description

technical field [0001] The invention belongs to the technical field of intensive processing of agricultural products purple sweet potato, and in particular relates to a preparation method of instant purple sweet potato microcapsule whole powder. Background technique [0002] Purple sweet potato (also known as purple sweet potato), as a special type of sweet potato, is a new variety of sweet potato with purple-black skin and purple-red flesh. Because it contains a variety of nutrients such as very rich anthocyanin pigments, polysaccharides, vitamins, and mineral elements, it once became a research and development hotspot. [0003] Purple sweet potato whole powder is a powdery dry product made from fresh purple sweet potato as raw material, after pretreatment such as washing and slicing, and adopting various drying methods. The nutrient preservation rate of purple sweet potato whole powder is 85% to 95%, which contains all nutrients except potato skin, including starch, prote...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23L1/216A23L19/12
Inventor 雷激黄钢陈祥贵车振明李博游立王宏谢江
Owner XIHUA UNIV
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