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Preparation method of canned pears rich in dietary fibers

A technology of dietary fiber and production method, which is applied in the production field of canned pears, can solve the problems of environmental pollution, low utilization rate, and waste of nutritional resources, and achieve the effects of saving and protecting the environment, saving resources, and promoting digestion and absorption

Pending Publication Date: 2019-11-19
HEFEI UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For a long time, pear dregs have been used as animal feed, or fermented as fuel or even landfilled. The utilization rate is extremely low, which not only wastes rich nutrient resources, but also pollutes the environment

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Embodiment 1: A kind of preparation method of canned pears rich in dietary fiber

[0032] A canned pear rich in dietary fiber and a manufacturing method thereof comprise the following technical steps.

[0033] (1) fresh pears

[0034] The pears are ripe, fresh, disease-free and non-rotten Dangshansu pear fruits. Washing the pears, peeling and removing the pits to obtain pulp; collecting the peels and pits to obtain pear dregs.

[0035] (2) Ultra-high pressure treatment of pear dregs

[0036] Put the pear dregs into a food-grade plastic bag, heat-seal the mouth in an environment with a vacuum gauge pressure of -0.09 to -0.10MPa, and then put it into a food ultra-high pressure equipment. High pressure treatment, holding time 10min.

[0037] (3) Ball milling of pear pomace

[0038] Put the ultra-high pressure treated pear pomace into a food-grade stainless steel ball mill, and fully grind it to a fineness of 50 mesh to obtain fine pear pomace.

[0039] (4) Preparatio...

Embodiment 2

[0059] Embodiment 2: A kind of preparation method of canned pears rich in dietary fiber

[0060] A preparation method of canned pears rich in dietary fiber, comprising the following steps:

[0061] Step 1: After cleaning the pears, cut them to obtain pulp, pear skin and pear core, and mix the pear skin and pear core to obtain pear residue;

[0062] Step 2: The product obtained in step 1 is subjected to ultra-high pressure treatment, and the pressure holding time is 8 minutes to obtain pear residue after ultra-high pressure treatment;

[0063] Step 3: Grinding the ultra-high pressure treated pear residue to a fineness of 40 mesh to obtain refined pear residue;

[0064] Step 4: Mix the refined pear residue and purified water at a mass ratio of 1:4, then add cellulase with 0.5% of the mass of the refined pear residue, enzymolyze it at 49°C for 80 minutes, and then raise the temperature to boiling to inactivate the enzyme to obtain enzymatic solution;

[0065] Step 5: Centrifug...

Embodiment 3

[0081] Embodiment 3: A kind of preparation method of canned pears rich in dietary fiber

[0082] A preparation method of canned pears rich in dietary fiber, comprising the following steps:

[0083] Step 1: After cleaning the pears, cut them to obtain pulp, pear skin and pear core, and mix the pear skin and pear core to obtain pear residue;

[0084] Step 2: Carry out ultra-high pressure treatment to the product obtained in step 1, and hold the pressure for 12 minutes to obtain pear residue after ultra-high pressure treatment;

[0085] Step 3: Grinding the ultra-high pressure treated pear residue to a fineness of 60 mesh to obtain refined pear residue;

[0086] Step 4: Mix the refined pear residue and purified water at a mass ratio of 1:6, then add cellulase with 1.0% of the mass of the refined pear residue, enzymolyze it at 51°C for 100 minutes, then heat up to boiling to inactivate the enzyme, and obtain enzymatic solution;

[0087] Step 5: Centrifuge the enzymatic hydrolyz...

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Abstract

The invention relates to a preparation method of canned pears rich in dietary fibers. The method comprises the following technical steps: (1) fresh pear cutting; (2) ultra-high pressure treatment of pear pomace; (3) ball milling and crushing of the pear pomace; (4) preparation of water-soluble pear pomace dietary fibers; (5) color protection of pear blocks; (7) sugar liquid preparation; (8) canning; and (9) sterilizing. The method uses the pear pomace to prepare the dietary fibers, provides a new and effective solution for solving by-products in the processing of pear products, improves the resource utilization rate, and plays a beneficial role in saving resources and protecting the environment.

Description

technical field [0001] The invention belongs to the technical field of food processing and relates to a method for preparing canned pears rich in dietary fiber. Background technique [0002] With the improvement of living standards, people's diet is becoming more and more refined. The intake of high-calorie and high-fat foods has greatly increased, while the intake of dietary fiber has relatively decreased, ignoring the balance of dietary nutrition. Dietary fiber is considered by nutritionists to be the seventh largest nutrient after water, carbohydrates, protein, fat, vitamins, and minerals. It can reduce the risk of people suffering from high blood pressure, obesity, constipation, diabetes, rectal cancer, and colon cancer. dangerous. For a long time, pear dregs have been used as animal feed, or fermented as fuel or even landfilled. The utilization rate is extremely low, which not only wastes rich nutrient resources, but also pollutes the environment. It is an effective w...

Claims

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Application Information

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IPC IPC(8): A23L19/00A23L5/30A23L33/21
CPCA23L19/03A23L19/09A23L5/30A23L33/21A23V2002/00A23V2200/3202A23V2200/324A23V2200/328A23V2200/326A23V2300/46A23V2250/5116A23V2250/032A23V2300/14
Inventor 吴学凤陈明鑫陈小举李兴江郑志穆冬冬罗水忠姜绍通
Owner HEFEI UNIV OF TECH
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