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Extra-grade palm olein and industrialized production method thereof

A palm olein and super olein technology, applied in the fields of edible oil/fat, food science, application, etc., to achieve the effect of increasing the content of oleic acid

Active Publication Date: 2010-07-21
TIANJIN LONGWIT OILS & GRAINS IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, palm olein products or industrial production methods with lower melting point and better frost resistance have not been reported

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] First, the preparation of palm super olein: Add 40 tons of palm olein into the crystallization tank, heat it to 60°C, and keep it for 30min; under the condition that the stirring frequency is 35Hz, first lower the temperature to 55°C, and then press The temperature gradients of 25°C, 10°C, 5°C, and 4°C are cooled to 11°C, and the cooling time required for each gradient is 45min, 90min, 600min, and 900min respectively; finally, the palm olein is continuously cooled for 400min, and the temperature at this time is 8°C , the iodine value of the detected liquid oil is 66g / 100g, pumped into the plate and frame filter for pressure filtration, and the liquid part obtained is palm super liquid oil.

[0014] Second, the preparation of extra-grade palm olein: pump the palm super olein prepared in the first step into another crystallization tank, heat it to 55°C, and keep it for 30min; under the condition that the stirring frequency is 35Hz, first The temperature is lowered to 55°C...

Embodiment 2

[0017] First, the preparation of palm super olein: add 40 tons of palm olein into the crystallization tank, heat it to 70°C, and keep it for 15min; under the condition that the stirring frequency is 40Hz, first lower the temperature to 55°C, and then press The temperature gradients of 25°C, 10°C, 5°C, and 4°C are cooled to 11°C, and the cooling time required for each gradient is 90 minutes, 45 minutes, 900 minutes, and 600 minutes respectively; finally, the palm olein is continuously cooled for 310 minutes, and the temperature at this time is 10°C , the iodine value of the detected liquid oil is 65.6g / 100g, pumped into the plate and frame filter for pressure filtration, and the liquid part obtained is palm super liquid oil.

[0018] Second, the preparation of extra-grade palm olein: pump the palm super olein prepared in the first step into another crystallization tank, heat it to 65°C, and keep it for 15min; under the condition that the stirring frequency is 45Hz, first The te...

Embodiment 3

[0021] First, the preparation of palm super olein: Add 40 tons of palm olein into the crystallization tank, heat it to 65°C, and keep it for 20min. Under the condition that the stirring frequency is 40Hz, first lower the temperature to 55°C, and then press the The temperature gradients of 25°C, 10°C, 5°C, and 4°C are cooled to 11°C, and the cooling time required for each gradient is 65 minutes, 70 minutes, 750 minutes, and 780 minutes respectively; finally, the palm olein is continuously cooled for 320 minutes, and the temperature at this time is 10.8°C , the iodine value of the detected liquid oil is 66g / 100g, pumped into the plate and frame filter for pressure filtration, and the liquid part obtained is palm super liquid oil.

[0022] Second, the preparation of extra-grade palm olein: pump the palm super olein prepared in the first step into another crystallization tank, heat it to 60°C, and keep it for 25min; under the condition that the stirring frequency is 40Hz, first Th...

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Abstract

The invention relates to extra-grade palm olein and an industrialized production method thereof. The extra-grade palm olein is characterized in that: the iodine value is 68 to 72 g / 100g, the acid value is less than 0.2 mg / g, the oxidation value is less than 5.0 mnol / Kg, the freezing test time is more than 5.5 hours, the oleic acid mass content is 5o to 52 percent, and the trans fatty acid mass content is less than 0.5 percent. The palm olein is adopted as the raw material, the environment-friendly dry fractionation process which is free from additives such as high-temperature fragmentation, cooling crystallization, crystal growing at a relaxation condition and the squeezing and filtering is adopted to separate the high-melting-point components and the low-melting-point components in the palm olein so as to finally obtain the low-melting-point component through filtering, i.e. the liquid part is the target product extra-grade palm olein. The entire process flow is simplified into two parts, wherein firstly the palm olein is fractionated to obtain the palm extra olein; and then the palm extra olein is fractionated to obtain the target product - extra-grade palm olein. The process realizes the industrialized production.

Description

【Technical field】 [0001] The invention belongs to the technical field of oil processing, and in particular relates to an extra-grade palm olein and an industrial production method thereof. 【Background technique】 [0002] Palm oil is the fruit oil extracted from the palm fruit on the palm tree. The fatty acid composition is mainly palmitic acid (C16:0) and oleic acid (C18:1). It is mainly used in public catering industry and cooking of ordinary household food. system. As the world's largest oil trade variety, palm oil plays a pivotal role in the global oil trade. Its output has surpassed that of soybean oil, and it is widely used in food, chemical and other fields. At present, global palm oil production is mainly concentrated in tropical regions such as Malaysia and Indonesia. my country is a big importer and consumer of palm oil. According to statistics, in 2008, my country's palm oil import volume was 5.282 million tons, and the import volume in 2009 is expected to reach 5...

Claims

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Application Information

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IPC IPC(8): A23D9/04
Inventor 廖少华雷文忠孙健张宏杰孟娜娜
Owner TIANJIN LONGWIT OILS & GRAINS IND CO LTD
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