Grease with nutritional components being retained and preparation method thereof

A technology of nutrients and oils, which is applied in the field of oils and fats with retained nutrients and its treatment. It can solve the problems of microwave radiation corrosion on the equipment body, high instantaneous output energy of microwave radiation, intermittent use, etc., and shorten the deacidification treatment time. , Facilitate settlement and avoid the loss of neutral oil

Active Publication Date: 2014-11-05
WILMAR SHANGHAI BIOTECH RES & DEV CENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing problem is the corrosion of the equipment body caused by microwave irradiation and the safety of personnel. At the same time, the instantaneous output energy of microwave irradiation is high, resulting in a large thermal effect, which requires intermittent use.

Method used

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  • Grease with nutritional components being retained and preparation method thereof
  • Grease with nutritional components being retained and preparation method thereof
  • Grease with nutritional components being retained and preparation method thereof

Examples

Experimental program
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Effect test

preparation example Construction

[0060] In the present invention, the oil used for deacidification is vegetable oil or animal oil, which can also be called renewable oil, preferably vegetable oil. The oil can be obtained commercially or by conventional oil preparation methods. Specifically, non-limiting examples of vegetable oils include: rice oil, sunflower oil, palm oil, palm kernel oil, peanut oil, rapeseed oil, soybean oil, linseed oil, cottonseed oil, safflower oil, perilla seed oil, tea seed oil, castor oil, palm fruit oil, olive oil, soybean oil, tallow seed oil, almond oil, almond oil, tung oil, rubber seed oil, rice bran oil, corn germ oil, wheat germ Oil, Sesame Seed Oil, Evening Primrose Seed Oil, Hazelnut Oil, Walnut Oil, Grape Seed Oil, Flax Seed Oil, Borage Seed Oil, Sea Buckthorn Seed Oil, Tomato Seed Oil, Pumpkin Seed Oil, Macadamia Nut Oil, Coconut Oil, Cocoa Butter, Algae Oil, etc. Those skilled in the art know that all plant-derived oils contain sterols (also known as phytosterols), and s...

Embodiment 1

[0194] Example 1: After degumming crude rice oil 1 (acid value 22KOH mg / g, oryzanol content 21750ppm, total sterols 13783ppm, anisidine value 0.55) by acidification and degumming, 15% lye was added. The speed of the dynamic mixer is 2500rpm for mixing, and then the CO is controlled by the pressure regulating valve 2 The gas pressure is 0.5 bar, and enters the static mixer for further stirring. Sampling was carried out, and the particle size was detected by electron microscopy at 400-600 μm. Control the temperature of the rice oil at 25°C, control the stirring speed in the neutralization tank at 30rpm, and the residence time at 20min, then raise the temperature to 80°C for centrifugation. The obtained desoaped rice oil (acid value 0.51KOH mg / g, oryzanol content 7872ppm, total sterols 10067ppm, desoaped rice oil yield = 80.2%) had an anisidine value of 0.47.

Embodiment 2

[0195] Example 2: Crude rice oil 2 (acid value 18KOH mg / g, oryzanol content 20834PPM, total sterols 12974ppm, anisidine value 0.72), after acidification and degumming, 15.5% lye was added. The speed of the dynamic mixer is 2700rpm for mixing, and then the CO is controlled by the pressure regulating valve 2 The gas pressure is 1.5 bar, and enters the static mixer for further stirring. Sampling was carried out, and the particle size was detected by electron microscopy at 350-500 μm. Control the temperature of the rice oil at 35°C, control the stirring speed in the neutralization tank at 28rpm, and the residence time at 18min, then raise the temperature to 85°C for centrifugation. The obtained desoaped rice oil (acid value 0.87KOH mg / g, oryzanol content 14652ppm, total sterols 11312ppm, desoaped rice oil yield = 81.7%) had an anisidine value of 0.66.

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Abstract

The invention provides a processing method of grease. An inert gas is added to the grease before or during the grease being deacidified. By means of the method provided in the invention, neutral grease in the prepared grease has a high recovery ratio and a damage of beneficial components in the grease is little.

Description

technical field [0001] The invention relates to a kind of oil and its processing method, in particular, to a kind of oil and its processing method which retains nutritional components. Background technique [0002] In the traditional deacidification step, the oil is heated in a concentrated alkaline aqueous solution to neutralize the free fatty acid with the alkali to form soapstock, and then remove the soapstock to finally achieve the purpose of acid removal. But at the same time, during the deacidification process, the neutral oil and the beneficial ingredients attached to the oil will also participate in the reaction. If the neutralization reaction goes through a corresponding period of time, the neutral oil and the beneficial ingredients will also react with The lye is removed by reaction, saponification or adsorption by flocculent soapstock. For example, oryzanol is easily hydrolyzed into ferulic acid and corresponding alcohols, and its loss is quite fast during the hy...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B3/00C11B3/06A23D9/04
Inventor 王勇孙周平姜元荣周耀琦
Owner WILMAR SHANGHAI BIOTECH RES & DEV CENT
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