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Preparation method of pomegranate seed oil

A pomegranate seed oil and pomegranate seed technology, which is applied in the field of pomegranate seed oil preparation by pressing, can solve the problems of severe isomerization of punicic acid, affecting the nutritional value of products, and difficult control of processing temperature, etc., achieving less impurities and low production costs , to control the effect of decomposition

Active Publication Date: 2013-08-07
SANMARK CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] CO 2 Although the supercritical process retains the natural substances of pomegranate seed oil, it is difficult to be accepted by consumers due to its inherent pungent acidic smell
At the same time CO 2 Supercritical equipment requires large investment, high technical requirements, and high product costs, making it difficult to scale up
[0006] In the conventional machine pressing process, due to the hard pomegranate seed shell and repeated friction with the pressing chamber, the processing temperature is difficult to control, the oil yield is low, the anisidine value is high, and the isomerization of punicic acid is serious, which greatly affects the product. nutritional value

Method used

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  • Preparation method of pomegranate seed oil
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  • Preparation method of pomegranate seed oil

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] (1) Select high-quality and qualified fresh pomegranate seeds to remove impurities, moldy and deteriorated pomegranate seeds;

[0036] (2) Grind the screened pomegranate seeds with a machine to remove 15% of the epidermis to obtain the peeled pomegranate seeds;

[0037] (3) Sprinkle pure water evenly into the peeled pomegranate seeds, and adjust the moisture content of the pomegranate seeds to 10wt%;

[0038] (4) Put the moisture-adjusted pomegranate seeds into the preheated screw press for pressing, adjust the adjusting screw of the press, slowly adjust the thickness of the cake to 2-3mm, and start the cooling water cycle of the press to reduce the pressing temperature Control at 70°C to obtain crude oil;

[0039] (5) Add 1% diatomaceous earth accounting for the total weight of the crude oil to the crude oil, stir to disperse evenly in the crude oil, pump it into the plate and frame filter, and carry out circulating filtration until clarification, the filter pressure ...

Embodiment 2

[0042] (1) Select high-quality and qualified fresh pomegranate seeds to remove impurities, moldy and deteriorated pomegranate seeds;

[0043] (2) Grind the screened pomegranate seeds with a machine to remove 40% of the epidermis to obtain the peeled pomegranate seeds;

[0044] (3) Sprinkle pure water evenly into the peeled pomegranate seeds, and adjust the moisture content of the pomegranate seeds to 5wt%;

[0045] (4) Put the moisture-adjusted pomegranate seeds into the preheated screw press for pressing, adjust the adjusting screw of the press, slowly adjust the thickness of the cake to 2-3mm, and start the cooling water cycle of the press to reduce the pressing temperature Control at 80°C to obtain crude oil;

[0046] (5) Add 1.5% diatomite accounting for the total weight of the crude oil to the crude oil, stir to disperse it evenly in the crude oil, pump it into the plate and frame filter, and carry out circulating filtration until clarification, the filter pressure is 0....

Embodiment 3

[0049] (1) Select high-quality and qualified fresh pomegranate seeds to remove impurities, moldy and deteriorated pomegranate seeds;

[0050] (2) Grind the screened pomegranate seeds with a machine to remove 25% of the epidermis to obtain the peeled pomegranate seeds;

[0051] (3) Sprinkle pure water evenly into the peeled pomegranate seeds, and adjust the moisture content of the pomegranate seeds to 15wt%;

[0052] (4) Put the moisture-adjusted pomegranate seeds into the preheated screw press for pressing, adjust the adjusting screw of the press, slowly adjust the thickness of the cake to 2-3mm, and start the cooling water cycle of the press to reduce the pressing temperature Control at 90°C to obtain crude oil;

[0053] (5) Add 2% diatomaceous earth accounting for the total weight of the crude oil to the crude oil, stir it to disperse evenly in the crude oil, pump it into the plate and frame filter, and carry out circulating filtration until clarification, the filter pressu...

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Abstract

The invention discloses a preparation method of pomegranate seed oil. The method comprises the following steps: taking fresh pomegranate seeds, removing impurities and rotten and bad pomegranate seeds, and grinding to remove 10-40% of pomegranate seed peel; uniformly spreading pure water to the pomegranate seeds subjected to peel grinding to adjust the water content of the pomegranate seeds to 5-15 wt%; squeezing the pomegranate seeds in a squeezer to obtain raw oil, wherein the squeezing temperature is controlled at 40-100 DEG C; and adding a filter aid, which accounts for 0.5-2 wt% of the raw oil, into the raw oil, stirring uniformly, and filtering to obtain the pomegranate seed oil. The preparation method has the advantages of simpleness, favorable effect, fewer impurities in the product, and low production cost, effectively controls the decomposition of punicic acid, lowers the generation of harmful substances, does not need the high-temperature refinement processes of decolorization, deacidification, deodorization and the like, and is convenient for industrial production.

Description

technical field [0001] The invention relates to a method for preparing edible oil, in particular to a method for preparing pomegranate seed oil by pressing. Background technique [0002] Pomegranate seed oil is a new type of oil that is widely used in medicine and light industry. The main fatty acid in pomegranate seed oil is punicic acid, the structure is cis-9, trans-11, cis-13-octadecatriene, and it is a polyunsaturated fatty acid with a conjugated structure. The content in pomegranate seed oil can reach 70 %above. [0003] Pomegranate seed oil contains a large amount of conjugated triene fatty acids (namely: punicic acid), which is very active in nature. It is a very unique and effective antioxidant that can resist inflammation and oxygen free radical damage. It has the functions of delaying aging and preventing atherosclerosis Hardening, anti-cancer, hypoglycemic and anti-diarrheal effects. With people's continuous understanding of pomegranate seed oil, Europe and th...

Claims

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Application Information

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IPC IPC(8): C11B1/04C11B1/06C11B3/16
Inventor 李燕杰甄成于光明乔路孙婷婷
Owner SANMARK CORP
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