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Preparation method of germinated brown rice dietary fiber with activity of reducing blood fat

A technology of germinated brown rice and dietary fiber, which is applied in food preparation, food science, food ingredients, etc., to achieve the effects of increased ratio, high blood lipid-lowering activity, and increased adsorption capacity

Inactive Publication Date: 2014-12-24
NANJING FEIMA FOOD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no method for preparing dietary fiber with high purity by using germinated brown rice as raw material

Method used

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  • Preparation method of germinated brown rice dietary fiber with activity of reducing blood fat
  • Preparation method of germinated brown rice dietary fiber with activity of reducing blood fat
  • Preparation method of germinated brown rice dietary fiber with activity of reducing blood fat

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0024] Add 2 times (v / w) n-hexane to the germinated brown rice bran and soak for 60 minutes, filter and vacuum desolventize to obtain defatted rice bran; crush the defatted rice bran, pass through a 30-mesh sieve, and collect 100 g of the sieved product; add 9 to 100 g of rice bran powder Add dilute hydrochloric acid to adjust the pH value to 5.5, add 10000 u of high-temperature-resistant amylase, heat to 100°C, keep warm for 20 min, and cool to room temperature; add dilute sodium hydroxide solution to adjust the pH value to 8.0, and then Add 10000u of alkaline protease, heat to 45°C, and keep warm for 30 minutes; add dilute hydrochloric acid to adjust the pH to 5.0, add xylanase 3000Iu, heat to 45°C, keep warm for 50 minutes; add 3 times (v / v) 95% ethanol , let stand for 10 minutes; filter, dry and grind the obtained solid at 100°C to obtain germinated brown rice dietary fiber product, 61.5g in total.

[0025] The component analysis result of gained germinated brown rice diet...

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Abstract

The invention discloses a preparation method of germinated brown rice dietary fiber with the activity of reducing blood fat. The preparation method comprises the following steps: (1) adding n-hexane into germinated brown rice bran for degreasing; (2) grinding the degreased germinated brown rice bran; (3) adding water for soaking and swelling; (4) performing enzymolysis by high-temperature-resistant amylase; (5) performing enzymolysis by alkaline protease; (6) performing enzymolysis by xylanase; (7) performing ethanol precipitation; (8) filtering, drying obtained solids, and grinding to obtain the germinated brown rice dietary fiber.

Description

technical field [0001] The invention belongs to the field of health food processing methods, in particular to a preparation method of germinated brown rice dietary fiber with hypolipidemic activity. Background technique [0002] Germinated brown rice has been proven to have the ability to lower blood lipids and reduce the occurrence and development of hyperlipidemia, and dietary fiber is its main active ingredient. At present, there are many documents on the preparation method of rice bran dietary fiber. For example, the patent application number 200810244341.8 uses defatted rice bran as raw material, which is crushed, sieved, soaked in lye, enzymatically hydrolyzed by protease, enzymatically hydrolyzed by amylase, centrifuged, and precipitated with 95% ethanol. The dietary fiber is obtained by suction filtration and drying; the extracted dietary fiber is ultrafinely pulverized to obtain the rice bran particle dietary fiber. The patent with the application number 2010101199...

Claims

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Application Information

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IPC IPC(8): A23L1/308A23L1/172A23L33/21
CPCA23L7/152A23L33/21A23V2002/00A23V2250/5116
Inventor 付湘晋李春阳王卫东
Owner NANJING FEIMA FOOD
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