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Process for extracting non-pectin soluble pomace dietary fibers

A dietary fiber and extraction process technology, applied in the field of extraction process of non-pectin soluble apple pomace dietary fiber, can solve problems such as waste of raw materials, and achieve the effects of full utilization, improvement of biological activity and physiological adjustment function, and improvement of physicochemical properties

Active Publication Date: 2010-03-10
YANTAI ANDRE PECTIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the above-mentioned deficiencies in the prior art, and provide a kind of extraction process of non-pectin soluble apple pomace dietary fiber, mainly solve the problem that the existing apple pomace that has extracted pectin is simply neutralized and dried, Cause waste of raw materials and other problems

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Example 1, add the waste apple pomace that has extracted pectin to 9% NaOH solution of 10 times the weight of the pomace, keep the temperature at 80° C., extract for 2.5 hours, and carry out ultrafine pulverization of the alkali extraction solution through a colloid mill. The gap between the stator and the rotor is set to 20 μm, the ultrafine pulverized extract is centrifuged through a centrifuge, the supernatant is collected, and the obtained supernatant is vacuum concentrated, the concentration temperature is 82.5 ° C, the concentration pressure is 0.75 atmospheres, and the concentrated The multiple is 3.4 times, and then the concentrate is precipitated with ethanol with a concentration of 75%, and washed twice, and the precipitate is dried by a fluidized bed drying method, the drying temperature is 70°C, and the drying time is 142.5min. The substance is ground to a size below 250 μm to obtain soluble apple pomace dietary fiber.

Embodiment 2

[0017] Example 2, add the waste apple pomace that has extracted pectin to 9% NaOH solution of 10 times the weight of the pomace, keep the temperature at 80°C, extract for 2.5h, and carry out ultrafine pulverization of the alkali extraction solution through a colloid mill, and the colloid mill The gap between the stator and the rotor is set to 20 μm, the ultrafine pulverized extract is centrifuged through a centrifuge, the supernatant is collected, and the obtained supernatant is vacuum concentrated, the concentration temperature is 82.5 ° C, the concentration pressure is 0.75 atmospheres, and the concentrated The multiple is 3.4 times, and then the concentrate is precipitated with ethanol with a concentration of 75%, and washed 3 times, and the precipitate is dried by a fluidized bed drying method, the drying temperature is 65°C, and the drying time is 150min. Grind to below 250 μm to obtain soluble apple pomace dietary fiber.

Embodiment 3

[0018] Example 3, add the waste apple pomace that has extracted pectin to 9% NaOH solution of 10 times the weight of the pomace, keep the temperature at 80°C, extract for 2.5h, and carry out ultrafine pulverization of the alkaline extraction solution through a colloid mill. The gap between the stator and the rotor is set at 20 μm. The ultrafine pulverized extract is centrifuged through a centrifuge, the supernatant is collected, and the obtained supernatant is vacuum concentrated. The concentration temperature is 82.5 ° C, and the concentration pressure is 0.75 atmospheres. The multiple is 3.4 times, and then the concentrate is precipitated with ethanol with a concentration of 75%, and washed twice, and the precipitate is dried by a fluidized bed drying method, the drying temperature is 75°C, and the drying time is 135min. Grind to below 250 μm to obtain soluble apple pomace dietary fiber.

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PUM

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Abstract

The invention discloses a process for extracting non-pectin soluble pomace dietary fibers, which adopts an alkaline extraction-ultra-fine pulverization method to modify dietary fibers so as to convertpart of IDF into SDF, and then performs processes of concentration, sediment cleaning, drying, grinding and the like on an extracted solution so as to prepare the soluble dietary fibers of pomace. The extraction process sufficiently utilizes the pomace after extracting pectin, and reduces environmental pollution simultaneously.

Description

Technical field: [0001] The invention relates to the technical field of apple deep processing, in particular to a process for extracting non-pectin-soluble apple pomace dietary fiber. technical background: [0002] Dietary fiber has a variety of physiological functions. It can prevent cardiovascular disease, prevent gallstones, prevent diabetes, prevent constipation and obesity, prevent skin diseases, and reduce the chance of rectal cancer and colon cancer. The "seventh nutrient" after protein, fat, vitamins, minerals and water. [0003] According to the different solubility, dietary fiber is divided into two categories: soluble dietary fiber (SDF) and insoluble dietary fiber (IDF). Wherein IDF may include pectin and other non-pectin dietary fibers. SDF and IDF in dietary fiber have different physiological functions and health effects in the human body, which are closely related to their physical and chemical properties. Balanced dietary fiber composition requires SDF to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L1/28A23L1/212A23L1/29A23L1/307A23L33/21
Inventor 张安明房德胡晓燕周建民刘冰许磊杜启印
Owner YANTAI ANDRE PECTIN
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