Instant dried yam slice rich in selenium and preparation process thereof

A preparation process, the technology of yam slices, is applied in the confectionary industry, confectionery, food science, etc., which can solve the problems of nutrient loss, single product form, and high hardness of yam slices, so as to increase surface activity, improve nutritional value, The effect of low moisture content

Inactive Publication Date: 2017-09-22
钦州市浦北广发食品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to propose a selenium-enriched ready-to-eat yam slice and its preparation process to solve the technical problems that the yam slices prepared by the above-mentioned prior art have high hardness, low crispness, serious loss of nutritional components, and a single product form

Method used

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  • Instant dried yam slice rich in selenium and preparation process thereof

Examples

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Comparison scheme
Effect test

Embodiment 1

[0032] The preparation method of selenium-enriched instant yam slices comprises the following steps:

[0033] S1: One-time pretreatment: Peel the fresh yam and cut it into sections, put it in a pot, add water to boil until it boils, after 4 minutes, take it out and rinse it with cold water, rinse the viscous liquid on the surface of the yam, and then put the rinsed yam Chinese yam cut into slices with a thickness of 1.5cm, set aside;

[0034] S2: Secondary pretreatment: put the yam slices into the immersion liquid, soak for 30 minutes under the conditions of ultrasonic power of 30W and temperature of 43°C, and then filter; the ratio of the weight of the yam slices to the volume of the immersion liquid is 1:2;

[0035] The soaking liquid is in parts by weight and includes the following raw materials: 0.1 part of fatty acid sucrose ester, 0.3 part of glyceryl monostearate, 0.51 part of D-mannitol, 0.4 part of tripotassium phosphate, 0.8 part of propylene glycol, and 42 parts of ...

Embodiment 2

[0043]The preparation method of selenium-enriched instant yam slices comprises the following steps:

[0044] S1: One-time pretreatment: Peel the fresh yam and cut it into sections, put it in a pot, add water to boil until it boils, after 4 minutes, take it out and rinse it with cold water, rinse the viscous liquid on the surface of the yam, and then put the rinsed yam Chinese yam cut into slices with a thickness of 2cm, set aside;

[0045] S2: Secondary pretreatment: put the Chinese yam slices in step S1 into the immersion liquid, soak them for 35 minutes under the condition of ultrasonic power of 40W and temperature of 45°C, and then filter; the ratio of the weight of the Chinese yam slices to the volume of the immersion liquid is 1:2.5;

[0046] The soaking solution is in parts by weight and includes the following raw materials: 0.2 parts of fatty acid sucrose esters, 0.45 parts of glyceryl monostearate, 0.7 parts of D-mannitol, 0.8 parts of tripotassium phosphate, 1.1 part...

Embodiment 3

[0054] The preparation method of selenium-enriched instant yam slices comprises the following steps:

[0055] S1: One-time pretreatment: Peel the fresh yam and cut it into sections, put it in a pot, add water to boil until it boils, after 4 minutes, take it out and rinse it with cold water, rinse the viscous liquid on the surface of the yam, and then put the rinsed yam Chinese yam cut into slices with a thickness of 2.5cm, set aside;

[0056] S2: Secondary pretreatment: put the yam slices into the immersion liquid, soak for 30 minutes under the conditions of ultrasonic power of 50W and temperature of 48°C, and then filter; the ratio of the weight of the yam slices to the volume of the immersion liquid is 1:3;

[0057] The soaking solution is in parts by weight and includes the following raw materials: 0.3 parts of fatty acid sucrose ester, 0.6 part of glyceryl monostearate, 1 part of D-mannitol, 1.2 parts of tripotassium phosphate, 1.5 parts of propylene glycol, and 90 parts o...

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Abstract

The invention discloses an instant dried yam slice rich in selenium and a preparation process thereof, belonging to the technical field of food preparation. The instant dried yam slice rich in selenium is prepared through steps of pretreatment, pickling, hardening, dewatering and drying, sterilization and packaging and the like; the preparation process disclosed by the invention is simple, and the sensory index and physicochemical indexes of the prepared instant dried yam slice rich in selenium are both superior to the sensory index and the physicochemical indexes of the dried yam slice prepared by the prior art; in addition, the instant dried yam slice rich in selenium is bright and attractive in color and crispy in mouthfeel, has an attractive and smooth surface, does not shrink or generate folds, and is rich in selenium, high in nutritional value, low in water content, and very convenient to eat.

Description

technical field [0001] The invention relates to the technical field of food processing, in particular to a selenium-enriched instant Chinese yam slice and a preparation process thereof. Background technique [0002] Chinese yam (Dioscorea opposita) is the root tuber of the perennial herb Dioscorea yam, also known as Chinese yam, Chinese yam, and mountain mushroom. "Compendium of Materia Medica" records that yam has the functions of "tonifying kidney qi, strengthening spleen and stomach, stopping diarrhea, resolving phlegm, and moisturizing fur"; it is used for spleen deficiency, lack of food, chronic diarrhea, chronic enteritis, lung deficiency and cough; It is very popular in domestic and foreign markets, and has high economic and social benefits. It has broad prospects for the development of the food processing industry in the future. Fresh yam is not easy to store and has a short shelf life. These defects have seriously hindered the large-scale planting and industrializa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23G3/48A23G3/42A23G3/36
CPCA23G3/48A23G3/36A23G3/364A23G3/42A23V2002/00A23V2200/02A23V2250/21A23V2250/636A23V2250/6418
Inventor 吴艳
Owner 钦州市浦北广发食品有限公司
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