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Preparation method of saturated fatty acid and medium-long chain fatty acid structured lipid

A technology of medium and long-chain fatty acids and structural lipids, applied in the direction of edible oil/fat, food science, application, etc., can solve the problems of blood lipid elevation, cardiovascular blockage, affecting calcium absorption, constipation and flatulence, etc. Effect of improving absorption rate and safety

Active Publication Date: 2020-07-03
河北康睿达脂质有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, the raw materials of the original structure are subject to the defects of special phenomena and there are potential safety hazards
Palmitic acid (C16:0) in saturated fatty acid coconut oil and palm oil has a melting point of 63°C, which is higher than human body temperature and is difficult to separate. Long-term consumption forms accumulation, which can easily lead to increased blood lipids and the risk of cardiovascular blockage. Minerals such as calcium and magnesium are prone to saponification in the acidic environment of the small intestine, forming insoluble and difficult-to-absorb saponified salts that are excreted from the body. As a result, the intestinal absorption rate of fat is reduced, and calcium absorption is also affected. Waiting for discomfort, thus affecting absorption and wasting a lot of nutrient resources

Method used

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  • Preparation method of saturated fatty acid and medium-long chain fatty acid structured lipid
  • Preparation method of saturated fatty acid and medium-long chain fatty acid structured lipid

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] (1) Put 16 parts of purified caprylic triglyceride and 16 parts of purified rapeseed oil into a closed container (with lipase collection device) reactor, and carry out transesterification at a temperature of 50°C After reaction and treatment, medium and long chain fatty acids are obtained.

[0043] (2) Put 6 parts of saturated fatty acid palmitic acid (raw coconut oil) and 6 parts of the above-mentioned medium and long-chain fatty acid triglycerides into the reverse ultrasonic enzyme reactor, add 0.2% sodium ethylate at 45 ° C under normal pressure, and react After 40 minutes, 0.4% 435 lipase was added, and transesterification was carried out for 4 hours at 60° C. and a vacuum of 300 Pa to obtain material 1;

[0044] (3) To the material 1, add 50% by weight of 99% food-grade ethanol with a concentration of 99% to mix and inactivate the enzyme activity, cool down, winterize to -5°C, transport to an ultrasonic filter for filtration, and then add 3 ‰ of ascorbyl palmitate...

Embodiment 2

[0046] (1) Put 15 parts of the purified caprylic triglyceride and 15 parts of the purified Xanthania sorbifolium oil into a closed container (with a lipase collection device) reactor, and carry out transesterification at a temperature of 40°C After reaction and treatment, medium and long chain fatty acids are obtained.

[0047] (2) Put 1 part of saturated fatty acid coconut oil and 1 part of the above-mentioned medium and long-chain fatty acid triglycerides into the reverse ultrasonic enzyme reactor, add 0.1% sodium ethylate, and react for 1 hour under normal pressure at 40 °C before adding 0.1% TL lipase, under the condition of 40°C and vacuum degree of 200pa, carry out transesterification reaction for 6h to obtain material 1;

[0048] (3) In the material 1, add 35% by weight of 95% food-grade ethanol with a concentration of 95% to mix and inactivate the enzyme activity, cool down, winterize to -2°C, and transport it to an ultrasonic filter for filtration, then add 1 ‰ of as...

Embodiment 3

[0050] (1) Put 75 parts of caprylic triglycerides after purification, 30 parts of linseed oil after purification, and 35 parts of borage oil into a closed container (with lipase collection device) reactor, at a temperature of 50°C Next, transesterification is carried out, and after treatment, medium and long-chain fatty acids are obtained.

[0051] (2) Put 11 parts of saturated fatty acid myristic acid (raw material butter) and 9 parts of the above-mentioned medium and long-chain fatty acid triglycerides into a closed container stirring reactor, add 0.5% sodium ethylate and react at 35°C under normal pressure conditions After 30 minutes, 0.5% 435 lipase was added, and the transesterification reaction was carried out for 2 hours at 85°C and a vacuum of 500pa to obtain material 1;

[0052] (3) In the material 1, add 60% by weight of 99.5% food-grade ethanol with a concentration of 99.5% to mix the passivation enzyme activity, cool down, winterize to -10°C, and transport it to an...

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Abstract

The invention belongs to the field of lipid preparation, and particularly relates to a preparation method of a structured lipid of saturated fatty acid and medium-long chain fatty acid. The method comprises the following steps: taking saturated fatty acid and high-purity medium-long chain fatty acid as raw materials; catalyzing two-stage transesterification with sodium ethoxide and an enzyme underthe conditions of temperature and pressure; mixing the obtained material with absolute ethyl alcohol for inactivating enzyme activity; and performing cooling, wintering and fine filtering to obtain the target product of the structured lipid of saturated fatty acid and medium-long chain fatty acid. The method provided by the invention can be used for preparing the lipid required by different directions. The lipid can be used as ketogenic diet / exercise nutrient, clinical nutrient, rehabilitation nutrient, cold-resistant nutrient and body temperature regulating nutrient, and has simple and convenient production process.

Description

technical field [0001] The invention belongs to the field of oil biological production, and in particular relates to a preparation method of saturated fatty acid and medium-long chain fatty acid structured lipid. Background technique [0002] As one of the main ingredients in food, fat not only provides energy, but also plays an important role in the human body. However, many studies in the past have shown that high-fat diet is closely related to obesity, hyperlipidemia, fatty liver, hypertension, cerebral thrombosis and other diseases, as well as the increased incidence of certain cancers (such as breast cancer and intestinal cancer). Therefore, for a long time, research on the role of dietary fat has mainly focused on the harm caused by excessive diet. As people's understanding of the nutritional properties of lipids improved, people began to realize the positive effects of consuming specific fats. Because these oils contain many nutritional factors necessary for human g...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A23D9/04A23D9/007
Inventor 苑海鹏刘宝华刘宪军来创业苑洪德王延荣苑海祥孙秀云
Owner 河北康睿达脂质有限公司
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