Method for extracting refined plant sterol from deodorizing distillate

A technology for deodorizing distillate and phytosterol, which is applied in the field of phytosterol ester preparation, can solve the problems of long time consuming and low black spots for purifying phytosterol, and achieves the effects of low production cost, few black spots and high yield

Active Publication Date: 2017-07-25
FUJIAN GLANNY BIO ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The object of the present invention is to solve the problems of long time-consuming purification of phytosterols, low yield, purity and whiteness, and many black spots, and to provide a simple, environmentally friendly, low-cost, high-yield, high-purity, whiteness Method for purifying phytosterols from deodorized distillates with high quality and few black spots reaching export standards

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036](1) Take 1000g of DD oil, add 10ml of potassium methoxide solution with a solubility of 25%, stir and reflux at 65°C for 3 hours, then place and cool to room temperature around 25°C.

[0037] (2) Add 20 g of lipase, then add 150 ml of methanol with a volume fraction of 99.9%, and stir at room temperature for 4 hours.

[0038] (3) After the reaction, start cold analysis. When the temperature drops to 0-5°C, keep the temperature for 9 hours and filter to obtain a filter cake that is crude sterol.

[0039] (4) Weigh the crude sterol, add 4 times the volume of ethanol solvent, fully stir and rinse, filter, and repeat the rinse 3 times.

[0040] (5) Weigh the sterol after rinsing, add 4 times the volume of ethanol solvent, dissolve and filter at 82°C, cool the filtrate to 0-5°C, keep this temperature for 9 hours, filter to obtain a filter cake, put Put it into an oven, dry and pulverize, weigh, and detect that the refined sterol content is 96.1%, the yield is 92.2%, and the ...

A Embodiment 2

[0042] (1) Take 1000g of DD oil, add 13ml of potassium methoxide solution with a solubility of 25%, stir and reflux at 65°C for 3 hours, then place and cool to room temperature around 25°C.

[0043] (2) Add 20 g of lipase, then add 150 ml of methanol with a volume fraction of 99.9%, and stir at room temperature for 4 hours.

[0044] (3) After the reaction, start cold analysis. When the temperature drops to 0-5°C, keep the temperature for 9 hours and filter to obtain a filter cake that is crude sterol.

[0045] (4) Weigh the crude sterol, add 4 times the volume of ethanol solvent, fully stir and rinse, filter, and repeat the rinse 3 times.

[0046] (5) Weigh the sterol after rinsing, add 4 times the volume of ethanol solvent, dissolve and filter at 82°C, cool the filtrate to 0-5°C, keep this temperature for 9 hours, filter to obtain a filter cake, put Put it into an oven, dry and pulverize, weigh, and detect that the refined sterol content is 97.1%, the yield is 93.5%, and the...

Embodiment 3

[0048] (1) Take 1000g of DD oil, add 15ml of potassium methoxide solution with a solubility of 25%, stir and reflux at 65°C for 3 hours, then place and cool to room temperature around 25°C.

[0049] (2) Add 20 g of lipase, then add 150 ml of methanol with a volume fraction of 99.9%, and stir at room temperature for 4 hours.

[0050] (3) After the reaction, start cold analysis. When the temperature drops to 0-5°C, keep the temperature for 9 hours and filter to obtain a filter cake that is crude sterol.

[0051] (4) Weigh the crude sterol, add 4 times the volume of ethanol solvent, fully stir and rinse, filter, and repeat the rinse 3 times.

[0052] (5) Weigh the sterol after rinsing, add 4 times the volume of ethanol solvent, dissolve and filter at 82°C, cool the filtrate to 0-5°C, keep this temperature for 9 hours, filter to obtain a filter cake, put Put it into an oven, dry and pulverize, weigh, and detect that the refined sterol content is 97.1%, the yield is 92.2%, and the...

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PUM

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Abstract

The invention discloses a method for extracting refined plant sterol from deodorizing distillate. The method comprises the following steps: adopting little low-solubility alkali liquor for pre-treating and removing impurities; adding methyl alcohol at low ratio under a low temperature condition; adopting an enzymatic method for performing esterification reaction; growing grains for a short period of time and then acquiring high-yield rough plant sterol; and repeatedly rinsing, growing the grains again and filtering, thereby acquiring the refined plant sterol. According to the invention, the esterification-after-saponification method is adopted for converting all the sterol esters into free sterols, so that the yield and output of the sterols are increased; a simple physical purification method is adopted by the invention, the solvent ratio is low and the production cost is low; the purified refined sterol is high in purity, the content can reach up to 95% or above and the refined sterol is high in yield, high in whiteness and few in dark spots and meets the export standard; according to the invention, no concentrated sulfuric acid is added for performing acidolysis effect, the technical process is simple, the production environment is clean, the method is environment-friendly and low-carbon, the time consumption is less and the production efficiency is higher.

Description

technical field [0001] The invention relates to the technical field of preparation of phytosterol esters, in particular to a process for extracting and refining phytosterols from plant deodorized distillates. Background technique [0002] Phytosterols are obtained through physical purification from corn and soybeans, and have the characteristics of high nutritional value and strong physiological activity. This product is white powder, and can also be dissolved in oil in the form of ester. Phytosterols have good antioxidant properties and can be used as food additives (antioxidants, nutritional additives); they can also be used as raw materials for animal growth agents to promote animal growth and animal health. Studies have shown that phytosterols have anti-tumor, cholesterol-lowering and anti-cancer effects. With the rapid development of life science, oil science and engineering technology, sterols are highly valued and concerned in the fields of medicine, food, chemical ...

Claims

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Application Information

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IPC IPC(8): C07J75/00C07J9/00
CPCC07J9/00C07J75/00
Inventor 邱建国翁庆水苏绍洋梁玉龙
Owner FUJIAN GLANNY BIO ENG
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