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Pectin containing insoluble dietary fiber, preparation method and application thereof

A technology of soluble dietary fiber and pectin, which is applied in the food field, can solve the problems of waste of raw materials, etc., and achieve the effect of smooth taste, high purity and less impurities

Inactive Publication Date: 2009-09-02
曾凡崖 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The filter residue after acid hydrolysis and filtration contains a large amount of insoluble dietary fiber and has not been utilized, so the pectin extracted from the peel is mainly soluble dietary fiber, and does not contain or only a small amount of insoluble dietary fiber, resulting in a huge waste of raw materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] 1. Wash 1000Kg of Guanxi honey pomelo, and peel off the outer skin;

[0032] 2. Cut 200Kg of the middle ginkgo peel spongy body with the outer skin off and place it in 1000Kg, soak in 80°C hot water and stir to kill the enzyme for 5 minutes, soak and rinse with clean water for 3 times, and drain the water;

[0033] 3. Add 1000Kg of 80°C deionized water, adjust to pH=3 with oxalic acid, soak, stir and keep warm for 4 hours, the solution contains pectin and cellulose;

[0034] 4. High-pressure jet homogenization treatment, the filtrate is treated with a high-pressure jet homogenizer, the pressure is 20MPa, and the temperature is 80°C;

[0035] 5, directly add 95% edible ethanol 300Kg to the glue solution after the high-pressure jet homogeneous treatment and mix, and the weight of ethanol accounts for about 30% of the weight of the mixture, so that the pectin is precipitated, and the sediment is passed through a filter press (the filter mesh number is 40 order) press filt...

Embodiment 2

[0037] 1. Wash 1000Kg of Guanxi honey pomelo, and peel off the outer skin;

[0038] 2. Cut the 200Kg middle ginkgo peel spongy body with the outer skin off into 10 times the weight, soak in hot water at 100°C and stir to kill the enzyme for 3 minutes, soak and rinse with clean water for 5 times, and drain the water;

[0039] 3. Add 200Kg of 100°C deionized water, adjust the pH to 1 with hydrochloric acid, soak, stir and keep warm for 2 hours, the solution contains pectin and cellulose;

[0040] 4. High-pressure jet homogenization treatment, the filtrate is treated with a high-pressure jet homogenizer, the pressure is 180MPa, and the temperature is 60°C;

[0041] 5, directly add 120Kg of 95% edible ethanol to the glue solution after the high-pressure jet homogeneous treatment and mix, and the ethanol weight accounts for 60% of the mixture weight, so that the pectin is precipitated, and the sediment is passed through a filter press (the mesh number of the filter screen is 60 ord...

Embodiment 3

[0043] 1. Wash 1000Kg of Guanxi honey pomelo, and peel off the outer skin;

[0044] 2. Put 200Kg cut pieces of the middle ginkgo peel spongy body with 8 times the weight, soak in hot water at 70°C and stir to kill enzymes for 10 minutes, then soak and rinse with clean water for 3 times.

[0045] 3. Add 2000kg of deionized water at 100°C, adjust the pH to 3.5 with oxalic acid, soak, stir and keep warm for 1 hour, the solution contains pectin and cellulose;

[0046] 4. High-pressure jet homogenization treatment, the filtrate is treated with a high-pressure jet homogenizer, the pressure is 100MPa, and the temperature is 20°C;

[0047] 5, directly add 95% edible ethanol 1000Kg to the glue solution after high-pressure jet homogeneous treatment and mix, ethanol weight accounts for 50% of this mixture weight, pectin is precipitated, and throw out is through press filter (screen mesh number is 60 orders) ) press filtration, vacuum drying, pulverizing, cross 50 mesh sieves, get refine...

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PUM

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Abstract

The invention relates to pectin containing insoluble dietary fibers, a preparation method and application thereof, belonging to the technical field of food. The preparation method of the pectin containing insoluble dietary fibers comprises the steps of raw material treatment, acidic extraction, coarse filtration, ethanol deposition and drying, and is characterized in that acidic extractive solution is homogenized by a high-pressure spray homogenizer, directly precipitated with alcohol and is filtered and dried. The preparation method has simple technology and easy operation and can greatly extract insoluble dietary fibers and soluble dietary fibers (pectin) in shaddock peel. The prepared pectin containing insoluble dietary fibers contains 50 percent to 70 percent of soluble dietary fiber and 20 percent to 40 percent of insoluble dietary fiber with the pH to be from 2.0 to 5.0. The pectin has soft mouth feel and can be used as a food additive to increase the dietary fiber component in food and regulate the diet structure of customers.

Description

technical field [0001] The invention relates to the field of food technology, in particular to pectin containing insoluble dietary fiber. Background technique [0002] Dietary Fiber (Dietary Fiber) was first proposed by H.C.Trowell in 1972 and defined in 1976 as "the general term for polysaccharide carbohydrates and lignin that are not digested and absorbed by the human body. It is called the "seventh largest nutrient". Dietary fiber It is not digested and absorbed in the small intestine of the human body. But it can be fermented by bacteria in the large intestine of the human body. In recent years, domestic and foreign researchers have found that dietary fiber can prevent coronary heart disease, arteriosclerosis, hyperlipidemia, diabetes, obesity and other "civilization" Dietary fiber can also reduce the incidence of dental caries, delay the residence time of food in the stomach, shorten the time for food to pass through the intestinal tract, prevent colorectal cancer and i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L1/29A23L1/308A23L1/212A23L1/28A23L33/105A23L33/22
Inventor 曾凡崖蔡新民
Owner 曾凡崖
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