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Method for preparing insoluble dietary fiber from olea europaea pomace

A technology for soluble dietary fiber and olive fruit, applied in the field of food processing, can solve the problem of low utilization rate of waste pomace, and achieve the effects of easy industrial operation, high whiteness and good sensory quality

Inactive Publication Date: 2016-06-29
INST OF CHEM IND OF FOREST PROD CHINESE ACAD OF FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to provide a preparation method of olive pomace insoluble dietary fiber in view of the low utilization rate of waste pomace in the current olive processing process, to provide reference for the deep processing of olive pomace and to extend the olive industry chain to increase its economic benefits

Method used

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  • Method for preparing insoluble dietary fiber from olea europaea pomace
  • Method for preparing insoluble dietary fiber from olea europaea pomace
  • Method for preparing insoluble dietary fiber from olea europaea pomace

Examples

Experimental program
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Effect test

Embodiment 1

[0029] (1) Pretreatment: take 500g of olive processing waste pomace, dry at 60°C for 6h~12h, until the moisture content is lower than 8%, crush and pass through a 60-mesh sieve to obtain olive pomace powder;

[0030] (2) Degreasing: take 100g of olive pomace powder obtained in step (1), add petroleum ether according to the ratio of material to liquid 1:5 (g / ml), extract three times, each time for 1h, concentrate and recover petroleum ether, and obtain olive pomace Oil 10.1g and olive degreased pomace a85g;

[0031] (3) Alkaline extraction: take 30 g of olive degreased pomace a in step (2), add a 3% sodium hydroxide solution at a material-to-liquid ratio of 1:20 (g / ml), and perform alkaline extraction at 50°C 1h, filter and wash the obtained solid phase part with water to neutrality, and dry to obtain the filter residue b;

[0032] (4) Decolorization: take the filter residue b obtained in step (3), add an alkaline hydrogen peroxide solution with a pH of 11 and a mass fraction ...

Embodiment 2

[0035] (1) Pretreatment: Take 250g of olive processing waste pomace, dry at 40°C for 6h~12h, until the moisture content is lower than 10%, crush it through an 80-mesh sieve, and obtain olive pomace powder;

[0036] (2) Degreasing: take 80g of olive pomace powder obtained in step (1), add petroleum ether according to the ratio of material to liquid 1:10 (g / ml), extract three times, each time for 2h, concentrate and recover petroleum ether, and obtain olive pomace Oil 7.4g and olive degreased pomace a69.6g;

[0037] (3) Alkaline extraction: take 10 g of olive degreased pomace a in step (2), add 5% sodium hydroxide solution at a material-to-liquid ratio of 1:25 (g / ml), and perform alkaline extraction at 80°C 1.5h, filter and wash the obtained solid phase with water to neutrality, and dry to obtain filter residue b;

[0038] (4) Decolorization: take the filter residue b obtained in step (3), add an alkaline hydrogen peroxide solution with a pH of 12 and a mass fraction of 5% acco...

Embodiment 3

[0041] (1) Pretreatment: Take 100g of olive processing waste pomace, dry at 70°C for 6h~12h, until the moisture content is lower than 5%, crush it through a 60-mesh sieve, and obtain olive pomace powder;

[0042] (2) Degreasing: take 30g of olive pomace powder obtained in step (1), add petroleum ether according to the ratio of material to liquid 1:20 (g / ml), extract three times, each time for 1.5h, concentrate and recover petroleum ether, and obtain olive fruit 2.6g of residual oil and 25.1g of olive degreased pomace;

[0043] (3) Alkaline extraction: take 20 g of olive degreased pomace a in step (2), add 8% sodium hydroxide solution at a material-to-liquid ratio of 1:10 (g / ml), and perform alkaline extraction at 70°C 1h, filter and wash the obtained solid phase part with water to neutrality, and dry to obtain the filter residue b;

[0044] (4) Decolorization: Take the filter residue b obtained in step (3), add an alkaline hydrogen peroxide solution with a pH of 11 and a mass...

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Abstract

The invention discloses a method for preparing insoluble dietary fiber from olea europaea pomace, and belongs to the field of food processing. The method comprises the steps that olea europaea pomace oil and degreased olea europaea pomace are obtained by taking the olea europaea processing waste pomace as a raw material through the processes of smashing, degreasing and the like, and then the degreased olea europaea pomace is prepared into the high-purity insoluble dietary fiber through the processes of alkaline extracting, decoloring, washing, drying, smashing the like. According to the preparation method, the high-quality insoluble dietary fiber is prepared from the olea europaea pomace, therefore, waste utilization of the olea europaea pomace is achieved, and an olea europaea industry chain is lengthened to increase the added economic value of the products of the olea europaea pomace.

Description

technical field [0001] The invention belongs to the field of food processing, in particular to a preparation method of olive pomace insoluble dietary fiber. Background technique [0002] Olive belongs to the Oleaceae family, also known as foreign olive and olean fruit. It is a world-renowned woody edible oil economic tree species, mainly distributed along the Mediterranean coast. Since the 1960s, my country began to introduce olives, mainly planted in Gansu, Sichuan, Yunnan and other regions. [0003] Olive pomace is the waste residue of olives after being pressed and processed. Except for some used as feed and fertilizer, most of them are directly discarded, which not only causes a waste of resources, but also pollutes the environment. In fact, olive pomace is rich in dietary fiber, and also contains various active ingredients such as triterpenoids and flavonoids. At present, the research focus on olive pomace at home and abroad is mainly to extract and separate polypheno...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L33/22
CPCA23V2002/00A23V2200/046
Inventor 黄立新丁莎莎张彩虹谢普军张琼邓叶俊
Owner INST OF CHEM IND OF FOREST PROD CHINESE ACAD OF FORESTRY
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