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Preparation method of black rice husk dietary fiber tablets containing rich anthocyanin

A technology of dietary fiber sheet and black rice peel, which is applied in food preservation, food drying, food science and other directions, can solve the problems of long production period, residual reagents, and ineffective utilization of dietary fiber, and achieves easy operation and simple process. Effect

Inactive Publication Date: 2018-07-06
JIANGNAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The extraction process will consume a large amount of ethanol, and there may be residual reagents. In order to cater to the preferences of consumers, different amounts of sweeteners and other ingredients will be added to the drinks. The addition of sweeteners may limit the choice of some people with diabetes.
Regardless of enzymatic filtration or anthocyanin extraction, the process is complex, the cost is high, the production period is long, the loss of anthocyanins in the production process is relatively serious, and the energy consumption in the production is high, and the industrial waste produced is much. The dietary fiber eaten cannot be effectively utilized, resulting in a waste of resources

Method used

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  • Preparation method of black rice husk dietary fiber tablets containing rich anthocyanin
  • Preparation method of black rice husk dietary fiber tablets containing rich anthocyanin
  • Preparation method of black rice husk dietary fiber tablets containing rich anthocyanin

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] Example 1 The amount of water added and the impact of soaking time on the black rice husk dietary fiber sheet

[0044] 1000g of black rice was dehulled to obtain 30-mesh black rice husks, and water was added. The wetting time was shown in Table 1. The microwave power was 600W for 7 minutes. The freeze-drying temperature was minus 90-95°C and the freeze-drying time was 72h. , pulverize the black rice bran to 120 mesh, add auxiliary agents microcrystalline cellulose, sodium carboxymethyl cellulose, magnesium stearate, the addition amount is respectively 10%, 3%, 0.4% of the mass fraction of the black rice bran, mix After uniformity, tableting is performed at a pressure of 15Kpa, tableting time is 1min, packaging, ultraviolet sterilization is 2min, and the product is obtained.

[0045] Table 1 The effect of water addition and soaking time on black rice husk dietary fiber sheet

[0046]

[0047] It can be seen from Table 1 that adding less water or soaking for a short t...

Embodiment 2

[0048] Embodiment 2 The influence of microwave power and microwave treatment time on black rice husk dietary fiber sheet

[0049] 1000g of black rice was peeled to obtain 30-mesh black rice skin, the mass fraction of black rice skin was adjusted to 80% by adding water, soaked for 30 minutes, microwave power and microwave treatment time were shown in Table 2, and the freeze-drying temperature was 90-95°C. Freeze-drying time 72h. , the black rice bran is pulverized to 100 meshes, adding auxiliary agents microcrystalline cellulose, sodium carboxymethyl cellulose, magnesium stearate, the addition amount is respectively 10%, 3%, 0.4% of the black rice bran mass fraction, carries out Tablet pressing, packaging, ultraviolet sterilization for 1 min, and the obtained product.

[0050] Table 2 Effect of microwave power and microwave treatment time on black rice skin dietary fiber sheet

[0051]

[0052] It can be seen from Table 1 that if the microwave power is too high or the time...

Embodiment 3

[0053] The impact of embodiment 3 auxiliary additive amount on black rice skin dietary fiber sheet

[0054] 1000g of black rice was peeled to obtain 30-mesh black rice skin. Add water to adjust the content of black rice skin to 80%, soak for 30 minutes, microwave power and microwave treatment time are shown in Table 2, and the freeze-drying temperature is minus 90-95°C , freeze-drying time 72h. , crush the black rice husk to 100 mesh, add the type and amount of additives as shown in the scheme below, carry out tabletting, packaging, and ultraviolet sterilization for 1 min to obtain the product.

[0055] Scheme 1: Auxiliaries microcrystalline cellulose, sodium carboxymethyl cellulose, and magnesium stearate are added in an amount of 8%, 3%, and 0.4% of the mass fraction of black rice bran, respectively; the disintegration time limit of the dietary fiber tablet is 12.48 min, friability 0.12%, hardness 8.74kgf.

[0056] Scheme 2: Auxiliaries microcrystalline cellulose, sodium c...

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Abstract

The invention discloses a preparation method of black rice husk dietary fiber tablets containing rich anthocyanin and belongs to the technical field of deep processing of grain. Black rice husk is stripped from black rice, the black rice husk is soaked in water, microwave stabilization treatment and drying in a freeze-drying manner are adopted, aids are added, and wet granulation and pressing areperformed. After the black rice husk under the high humidity condition is subjected to microwave stabilization treatment, the inactivation rate of lipase is 65% or above, the retention rate of anthocyanin is up to 86%, and the retention rate is 18%-30% higher than that of other stabilization treatment manner. Meanwhile, starch remaining in the black rice husk can be cured. After the black rice husk is ball-milled and crushed, the dissolution of anthocyanin and the content of soluble dietary fiber can be increased, and the anthocyanin content is increased by 20% and the soluble dietary fiber isincreased by 15% as compared with black rice husk crushed with a traditional Chinese machine crusher. The method has the characteristics of simple process, low energy consumption and no resource waste. Meanwhile, tablets prepared from whole rice black husk powder have the characteristics of being convenient to eat and carry.

Description

technical field [0001] The invention relates to a method for preparing anthocyanin-rich black rice skin dietary fiber sheets, and belongs to the technical field of grain intensive processing. Background technique [0002] Black rice is the product of black rice processing. Black rice is black or dark brown. It is rich in nutrition and has high food and medicinal value. It is known as "black pearl" and "king of rice in the world". Various nutritious foods and wine can be made. Since ancient times, it has the reputation of "medicine rice", "tribute rice" and "longevity rice". The most nutritious part of black rice is the black rice skin, and about 80% of the nutrients of black rice are distributed in the cortex and embryo. [0003] Black rice skin refers to the skin that is stripped from black rice, which contains cortex, embryo, etc., which are rich in anthocyanins, multi-vitamins, phosphorus, copper and other metal elements, as well as trace elements necessary for human bo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L33/22A23L29/30A23L29/00A23P10/28A23L5/30A23L3/01A23L3/44
CPCA23L3/01A23L3/44A23L5/34A23L29/015A23L29/04A23L29/30A23L29/35A23L33/22A23P10/28A23V2002/00A23V2300/10A23V2300/20A23V2250/51084A23V2250/51088A23V2200/30
Inventor 李永富黄金荣史锋王莉陈正行李亚男罗小虎
Owner JIANGNAN UNIV
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