Bread rich in sweet potato dietary fiber and manufacturing method thereof

A technology of sweet potato dietary fiber and dietary fiber, which is applied in the field of food processing, can solve the problems of unsuitability, lack of gluten network structure, and different structure, so as to improve gas holding capacity, improve skin and internal color, and increase water retention capacity. Effect

Inactive Publication Date: 2015-02-25
INST OF AGRO FOOD SCI & TECH CHINESE ACADEMY OF AGRI SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Sweet potato crude dietary fiber is rich in nutrients and is a high-quality raw material for making bread. However, like other processing by-products, the protein contained in it is different from gliadin and glutenin, and does not have the ability to form a gluten network structure. Not suitable for direct use in processing fermented foods such as bread

Method used

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  • Bread rich in sweet potato dietary fiber and manufacturing method thereof
  • Bread rich in sweet potato dietary fiber and manufacturing method thereof
  • Bread rich in sweet potato dietary fiber and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0032] The preparation method of the sweet potato coarse dietary fiber superfine powder is as follows: adding wet sweet potato dietary fiber into a superfine pulverizer, pulverizing at room temperature for 1 minute, and passing through a 100-mesh sieve to obtain the product.

[0033] The preparation method of the modified sweet potato coarse dietary fiber powder by high static pressure synergistic enzymatic hydrolysis is as follows: add 0.05% pectinase and 0.001% cellulase by weight of crude dietary fiber to wet sweet potato crude dietary fiber, treat at 300MPa for 20min, 50 Dry at -60°C for 24 hours, pulverize with a universal grinder and pass through a 100-mesh sieve.

[0034] The preparation method of the extruded puffed sweet potato coarse dietary fiber powder is as follows: adding the wet sweet potato dietary fiber into an extruder, extruding at 100°C, screw rotating speed at 800rpm, pulverizing with a universal grinder, and passing through a 100-mesh sieve to obtain the p...

Embodiment 1

[0035] Embodiment 1 is used to make each raw material ratio of the bread that is rich in sweet potato dietary fiber

[0036] In this embodiment, the raw materials used to make bread rich in sweet potato dietary fiber are: sweet potato coarse dietary fiber raw powder, sweet potato coarse dietary fiber superfine powder, high static pressure synergistic enzymolysis modified sweet potato coarse dietary fiber powder, extrusion Puffed sweet potato coarse dietary fiber powder, sweet potato starch, sweet potato pregelatinized starch, citrus pectin, blueberry pectin, gum arabic, rice protein, peanut protein, trehalose, salt and yeast, the mass ratio of the above raw materials is 30 in order: 25:12:8:6:10:1.5:1.5:2:1:0.6:0.5:0.4:1.5. When making bread rich in sweet potato dietary fiber, the weight ratio of the total weight of the above raw materials to water is 100:90.

Embodiment 2

[0037] Embodiment 2 is used to make each raw material ratio of the bread that is rich in sweet potato dietary fiber

[0038] In this embodiment, the raw materials used to make bread rich in sweet potato dietary fiber are: sweet potato coarse dietary fiber raw powder, sweet potato coarse dietary fiber superfine powder, high static pressure synergistic enzymolysis modified sweet potato coarse dietary fiber powder, extrusion Puffed sweet potato coarse dietary fiber powder, sweet potato starch, aged sweet potato starch, sweet potato pectin, pomelo peel pectin, carrageenan, chickpea protein, soybean protein, trehalose, salt and yeast, the mass ratio of the above raw materials is 25 in sequence :30:10:8:6:11:2:1.5:2:0.6:1:0.8:0.6:1.5. When making bread rich in sweet potato dietary fiber, the weight ratio of the total weight of the above raw materials to water is 1:1.

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Abstract

The invention provides bread rich in sweet potato dietary fiber and a manufacturing method of the bread. The raw materials used for manufacturing the bread rich in sweet potato dietary fiber include, by mass, 10-40 percent of sweet potato rough dietary fiber starchy flour, 10-40 percent of sweet potato rough dietary fiber ultra-fine powder, 10-20 percent of high hydrostatic pressure synergy enzymolysis modified sweet potato rough dietary fiber powder, 4-12 percent of extrusion sweet potato rough dietary fiber powder, 5-12 percent of sweet potato starch, 5-13 percent of sweet potato modified starch, 0.2-6 percent of food gum, 1-3 percent of egg white, 0.5-3 percent of sugar, 0.1-1 percent of salt, 0.5-3 percent of yeast and the like. When the bread rich in sweet potato dietary fiber is manufactured, the weight ratio of the raw materials and water is 100:70-110. According to the method, the manufactured bread rich in sweet potato dietary fiber is large in specific volume, and has the unique flavor of sweet potatoes, the chewy taste is achieved, the color is slightly yellow, and the good nutrition and healthcare effects are achieved.

Description

technical field [0001] The invention relates to the field of food processing, in particular to a bread rich in sweet potato dietary fiber and a preparation method thereof. Background technique [0002] my country is a big sweet potato planting and production country. In 2012, the sweet potato planting area in my country was 3.48 million hectares, and the output reached 73.36 million tons, accounting for more than 70% of the world's total sweet potato production. It is the fifth largest grain after wheat, rice, corn and potatoes. Crops play an important role in ensuring national food security and promoting social and economic development. Sweet potato has high nutritional value and is known as "longevity food" and "space food". According to statistics, my country's sweet potato is mainly used for processing starch. There are more than 10,000 sweet potato starch processing enterprises in my country, of which more than 90% are small and medium-sized enterprises. A large amount ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A21D13/00A21D2/36A23L1/308A21D2/18A21D2/26A21D13/06A23L33/21
CPCA21D13/04
Inventor 木泰华张苗刘兴丽孙红男陈井旺
Owner INST OF AGRO FOOD SCI & TECH CHINESE ACADEMY OF AGRI SCI
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