Method for producing pomegranate seed oil

A production method and technology of pomegranate seeds, which are applied in the production of fat/fat and fat production, can solve the problems of chemical residues, large equipment investment, and high extraction cost, and achieve the preservation of health-care nutrients, easy-to-obtain production equipment, and simple production equipment. Effect

Inactive Publication Date: 2015-01-07
ZAOZHUANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The patent shows that although the oil is centrifugally deoiled after pressing, the final oil yield is only 7% to 11%, and the oil squeezed out of the patent has to wait for a long time (2 to 5 days) to stand still before being filtered; the second is high temperature Pressing, the oil yield is about 9% to 13%. Although the oil yield has increased, some components of pomegranate seed oil are damaged, which reduces the health value; the third is organic solvent extraction, and the oil yield can reach 19%. (Study on the ultrasonic extraction process

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] (1) Roast 10 kg of pre-treated pomegranate seeds with a roaster at a temperature of about 210°C for 4 minutes, so that the pomegranate seeds emit a strong sesame aroma; (2) Use the roasted pomegranate seeds Grinding machine (general-purpose crushing equipment) crushing, adjust the machine so that the crushed particle size is about 2.5mm; (3) after crushing, mix the seed kernels and crushed shells together, put them in 50kg of saturated brine (NaCl) and soak for 20 minutes, the seed kernels It will float on the surface of the salt water, and the seed kernels will be floated out. After the salt water is filtered to remove the seed shells, it can be reused. The obtained seed kernels are dried with a water content of 6.5%, and the seed kernels are 4.2kg; (4) The dried seeds The kernels are squeezed in a screw press (15kg / hour), the temperature is controlled at 60-70°C, and the pressure is 2kg; (5) The squeezed crude oil is processed by a centrifugal oil filter for 5 minutes ...

Embodiment 2

[0030](1) Roast 20kg of pre-treated pomegranate seeds with a roasting machine. The baking temperature is controlled at about 200°C for 5 minutes to make the pomegranate seeds exude a strong sesame aroma; (2) Grind the roasted pomegranate seeds using Machine (general-purpose crushing equipment) crushing, adjust the machine so that the crushed particle size is about 3mm; (3) After crushing, the seed kernels and broken shells are mixed together, soaked in 110kg of saturated brine (NaCl) for 25 minutes, and the seed kernels will float On the surface of the salt water, bleach the seed kernels, and the salt water can be reused after filtering to remove the seed shells. The obtained seed kernels are dried with a moisture content of 7%, and 8.5kg of seed kernels are obtained; (4) The dried seed kernels are placed Press in a screw press (14kg / hour), the temperature is controlled at 60-70°C, and the pressure is 2.2kg; (5) The squeezed crude oil is processed by a centrifugal oil filter fo...

Embodiment 3

[0032] (1) After the pre-treated pomegranate seeds are fully dried, weigh 15kg with a water content of 8%; (2) Use a grinder (general-purpose crushing equipment) to grind the dried pomegranate seeds, and adjust the machine so that the crushed particle size is about 2.8mm; (3) The crushed seed kernels and crushed shells are mixed together, soaked in 120kg of saturated brine (NaCl) for 30 minutes, bleached to select the seed kernels and dried to obtain 6.3kg of dried seed kernels with a moisture content of 7 %; (4) Put the dried seed kernels into a hydraulic oil press and press at a temperature of 50-60°C; (5) The extracted crude oil is processed by a centrifugal oil filter for 8 minutes at a speed of 2200 rpm Minutes to get the finished essential oil. Obtain 2.9kg of seed kernel oil altogether.

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Abstract

The invention relates to a method for producing pomegranate seed oil. The method comprises the following process steps of (1) roasting preprocessed clean pomegranate seeds at the temperature of 200-220 DEG C in a roaster for 3-5 minutes till the pomegranate seeds send out thick sesame fragrance; (2) breaking hulls to take kernels, and pulverizing the roasted pomegranate seeds by a pulverizer, wherein the pulverizer is adjusted to ensure that the particle size of the pulverized seeds is 2mm-3mm; (3) as the kernels and the broken hulls are mixed together after pulverizing, winnowing with saturated salt water to remove the broken hulls, and airing or drying the obtained kernels, wherein the water content of the kernels is 5-8 percent, and the rate of the obtained kernels is 38-42 percent; (4) squeezing the dried kernels in a squeezer, wherein the temperature is controlled within 40-80 DEG C; and (5) processing squeezed crude oil by a centrifugal oil filter, and removing impurities to obtain the finished refined oil product. The producing method has the advantages of simple and easily available production equipment, cleanness, environmental protection, high oil extraction rate and the like. The pomegranate seed oil has thick sesame fragrance, does not contain an organic solvent, and retains original healthy nutrient content.

Description

technical field [0001] The invention relates to a production method of vegetable oil, in particular to a production method of pomegranate seed oil. Background technique [0002] The oil content of pomegranate seeds is 15%-20%. The unsaturated fatty acid content of pomegranate seed oil is extremely high, and the content of conjugated trienoic acid exceeds 80%. Therefore, it has a strong antioxidant capacity and can eliminate free Long-term consumption can help prevent the occurrence of cardiovascular and cerebrovascular diseases, improve joint elasticity and skin elasticity, and also have an auxiliary therapeutic effect on retinal inflammation caused by diabetes. Because pomegranate seeds are small in size and have a hard shell, this shell is actually a layer of inner seed coat of pomegranate seeds, which is closely combined with the inner seed kernel (seed embryo), so it is very difficult to remove the "seed shell" and take out the seed kernel. Difficulty, so, known from pu...

Claims

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Application Information

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IPC IPC(8): C11B1/04C11B1/06
Inventor 张立华孙蕾赵登超
Owner ZAOZHUANG UNIV
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