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Secondary fractionation product of palm oil and preparation method thereof

A palm oil and palm olein technology, which is applied in the direction of fat oil/fat separation and fat production, can solve the problems of poor quality and low yield, and achieve the effect of strong anti-oxidation performance and stable products

Inactive Publication Date: 2009-12-02
SHINING GOLD FOODSTUFFS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is precisely because of the complexity of the crystallization process that the existing palm oil fractionation products often have low yield or poor quality

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Embodiment 1, fractionate the super palm olein of IV65 and the super palm stearin of IV47 with the palm olein of IV56:

[0038] 1) Raw material oil crystal breaking: Heat the raw material oil to 65°C with a hot water coil at a temperature of 85.0-90°C to ensure that all the original crystal nuclei in the raw oil are melted away; then the raw material oil is rapidly cooled under high-speed stirring To 30°C (gradient cooling, 45°C-38°C-35°C-30°C, the stirring rate is 9.5r / min);

[0039] 2) Crystallization: The crystallization tank is INVOICE. In the supersaturated stage of the raw material oil, the oil temperature is slowly cooled to 22°C (stirring at a low speed, the stirring rate is 6.5r / min); in the crystal nucleus generation stage, cool the oil with 17°C cooling water Slowly lower the oil temperature to 18±0.5°C; then cool slowly with cooling water at 16°C until a large number of crystal nuclei appear, which takes 10 hours (stirring at low speed, stirring rate is 6.5r...

Embodiment 2

[0045] Embodiment 2, fractionate the super palm olein of IV63 and the super palm stearin of IV48 with the palm olein of IV56:

[0046] 1) Raw material oil crystal breaking: Heat the raw material oil to 65°C with a hot water coil at a temperature of 85.0-90°C to ensure that all the original crystal nuclei in the raw oil are melted away; then the raw material oil is rapidly cooled under high-speed stirring To 30°C (gradient cooling, 45°C-38°C-35°C-30°C, the stirring rate is 9.5r / min);

[0047] 2) Crystallization: The crystallization tank is: INVOICE, the supersaturated stage of the raw material oil, the oil temperature is slowly cooled to 22°C (stirring at low speed, the stirring rate is 6.5r / min); the crystal nucleus generation stage, use 17.5°C cooling water Slowly lower the oil temperature to 18±0.5°C; then cool slowly with cooling water at 15.5°C until a large number of crystal nuclei appear, which takes 10 hours (stirring at low speed, stirring rate is 6.5r / min); in the cry...

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Abstract

The invention relates to a secondary fractionation product of palm oil and a preparation method thereof. In the method, palm olien of 24 degrees is taken as the raw oil and respectively undergoes four steps including crystal breaking, crystallizing, crystal growing and filter pressing to directly obtain the secondary fractionation product of palm oil, namely super palm stearin / olien. The super palm stearin / olien obtained by the method has wide application: the super palm olien can be directly used for producing blend oil, has strong oxidation resistance under high temperature, does not become hazy under low temperature and can be used for producing cocoa butter replacers after hydrogenation; the super palm stearin can be directly used as frying oil, has stable products and is frying-resistant; the super palm stearin can be re-fractionated to produce cocoa butter equivalents which have no trans acid and are more nutritious and healthier.

Description

technical field [0001] The invention relates to an oil fractionation product, in particular to a palm oil secondary fractionation product-super palm oil stearin / liquid oil. The invention also relates to a preparation method of the palm oil secondary fractionation product. Background technique [0002] Palm oil is a fat produced from palm pulp. Super olien is obtained after a fractionation of 24 degrees palm olein (palm olein with an iodine value of 56) as a raw material. Extraction technology, controlling the fractionation temperature and time, etc. to recrystallize the liquid part of palm olein after fractionation, its physical properties are different from 24-degree palm olein, and its melting point is usually 6-10 ° C lower than that of 24-degree palm olein. It is completely liquid at room temperature, and the composition range of glyceride is narrow, which can be well blended with any vegetable oil. Super palm olein stearin is the solid part of the secondary fractionat...

Claims

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Application Information

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IPC IPC(8): C11B7/00
Inventor 李向阳唐国平
Owner SHINING GOLD FOODSTUFFS
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