Method of preparing feed dietary fibers

A technology for dietary fiber and feed is applied in the field of preparing feed dietary fiber, which can solve the problems of environmental pollution, reduce the water holding capacity and swelling property of cellulose products, destroy the physiological characteristics of dietary fiber, etc. Effect of fiber particle size

Active Publication Date: 2015-12-09
北京中农弘科生物技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Among them, the most common is to prepare by alkali method, but repeated soaking and frequent heat treatment process in this method will obviously destroy the physiological characteristics of dietary fi

Method used

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  • Method of preparing feed dietary fibers
  • Method of preparing feed dietary fibers
  • Method of preparing feed dietary fibers

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0072] 1) Select one or more of peanut husks, rice husks, corncobs, and bean pods as raw materials for preparing dietary fiber. After cleaning and removing impurities, grind the cellulose raw materials with a universal grinder, pass through a 20-mesh sieve, and add to normal temperature Soak in clean water, the ratio of crushed cellulose raw material to clean water at room temperature is 1g: 20mL, and the soaking time is 24h. Soaking in water can remove some water-soluble impurities (such as soil, dust, water-soluble protein, carbohydrates, etc.), and play a role in improving the purity of dietary fiber products.

[0073] 2) Emulsify the soaked cellulose base material liquid, that is, emulsify the soaked cellulose base material liquid under the condition of 80 MPa for 15 min by using a low temperature and high pressure homogenizer.

[0074] 3) Add α-amylase to the emulsified mixed solution in step 2), adding 1 g of α-amylase with an enzyme activity of 380 U / mg per liter of mix...

Embodiment 2

[0080] 1) Select one or more of peanut husks, rice husks, corncobs and bean pods as raw materials for preparing dietary fiber. After cleaning and removing impurities, use a universal grinder to crush the cellulose raw materials, pass through an 80-mesh sieve, and add Soak in clean water, the ratio of crushed cellulose raw material to clean water at room temperature is 1g: 10mL, and the soaking time is 12h. Soaking in water can remove some water-soluble impurities (such as soil, dust, water-soluble protein, carbohydrates, etc.), and play a role in improving the purity of dietary fiber products.

[0081] 2) Emulsifying the soaked cellulose base material liquid, that is, using a low temperature and high pressure homogenizer to emulsify the soaked cellulose base material liquid under the condition of 160 MPa for 5 minutes.

[0082] 3) Add α-amylase to the emulsified mixed solution in step 2), adding 1.4 g of α-amylase with an enzyme activity of 380 U / mg per liter of mixed solution...

Embodiment 3

[0088] 1) Select one or more of peanut husks, rice husks, corncobs and bean pods as raw materials for preparing dietary fiber. After cleaning and removing impurities, use a universal grinder to crush the cellulose raw materials, pass through a 60-mesh sieve, and add to normal temperature Soak in clean water, the ratio of crushed cellulose raw material to clean water at room temperature is 1g: 40mL, and the soaking time is 20h. Soaking in water can remove some water-soluble impurities (such as soil, dust, water-soluble protein, carbohydrates, etc.), and play a role in improving the purity of dietary fiber products.

[0089] 2) Emulsify the soaked cellulose base material liquid, that is, emulsify the soaked cellulose base material liquid under the condition of 40 MPa for 20 min by using a low temperature and high pressure homogenizer.

[0090]3) Add α-amylase to the emulsified mixed solution in step 2), adding 2 g of α-amylase with an enzyme activity of 380 U / mg per liter of mix...

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Abstract

The invention discloses a method of preparing feed dietary fibers, wherein the method includes the following steps: 1) crushing and sieving raw materials containing dietary fibers, and adding water to soak the raw materials to obtain a substrate liquid; 2) emulsifying the substrate liquid to obtain emulsified substrate liquid; 3) adding an enzyme to the emulsified substrate liquid to perform enzymolysis, performing enzyme deactivation to an obtained enzymatic hydrolysate, performing centrifugation and collecting precipitates to obtain a filtered substance; and 4) inoculating probiotics to the filtered substance, and performing fermentation, sterilization and drying to prepare the feed dietary fibers. The method is simple in process. The selected fiber raw materials are low in cost and abundant in sources. In addition, compared with a conventional alkaline method, the method is greatly increased in fiber purity and swelling property and water retention ability of the fiber product. The dietary fiber product is not less than 60% in crude fiber content, is not less than 90% in neutral detergent fiber NDF, is not less than 70% in acidic detergent fiber ADF, is not more than 10% in moisture, is not more than 0.5% in coarse ash, is not less than 4.5 ml/g in swelling property and is not less than 4.2 g/g in water retention ability.

Description

technical field [0001] The invention belongs to the field of agricultural product processing and relates to a method for preparing feed dietary fiber. Background technique [0002] Dietary fiber refers to the general term for plant components, carbohydrates and similar substances that can resist digestion and absorption in the small intestine and can be partially or fully fermented in the large intestine, mainly including cellulose, hemicellulose, lignin, pectin and gums, etc. Multiple ingredients. Since Hipsley first proposed the concept of dietary fiber in 1953, and then Higginson and Oettle proposed in 1960 that rich fiber in food can prevent colon cancer, people began to pay close attention to dietary fiber. Especially with the improvement of living standards, people's diet is becoming more and more refined, leading to an increasing trend of diseases of the rich and rich (diabetes, cardiovascular disease, obesity, intestinal cancer, constipation, etc.), which seriously ...

Claims

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Application Information

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IPC IPC(8): A23K1/00A23K1/16
CPCY02P60/87
Inventor 刘明杨凤娟王爱娜冯占雨唐国梁董彦君
Owner 北京中农弘科生物技术有限公司
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