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Low temperature method for cold pressing sesame oil

A technology of sesame oil and sesame oil, which is applied in the directions of fat oil/fat production and fat generation, can solve the problems of limited use range, dark color of sesame oil, etc., and achieves the effects of clear color, light smell and simple process

Active Publication Date: 2009-10-28
合肥燕庄食用油有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Sesame oil produced by traditional techniques is darker in color and has a strong fragrance, which limits its scope of use

Method used

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  • Low temperature method for cold pressing sesame oil
  • Low temperature method for cold pressing sesame oil

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Experimental program
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Effect test

Embodiment 1

[0020] Appropriate amount of sesame seeds are removed through cleaning equipment to remove various impurities. After cleaning, the raw materials do not contain stones and iron substances, and the impurity content is less than 0.5%. Hot air drying, sesame temperature is 40 ℃ when drying. Water was removed from the sesame seeds to reduce the moisture content to 7% (W / W). Then enter the screw press machine to extract oil, the temperature of the sesame oil for feeding is 30°C, the screw speed is 20 rpm, and the oil outlet temperature is 45°C. The pressed oil is precipitated and finely filtered at 35°C to become pure natural edible sesame oil. The pressed cake can be further developed and utilized as food raw materials. The oil yield of this embodiment is 46.6%, the residual oil in the cake is 13.3%, and the production capacity is 5.55kg / h.

Embodiment 2

[0022] Appropriate amount of sesame seeds are removed through cleaning equipment to remove various impurities. After cleaning, the raw materials do not contain stones and iron substances, and the impurity content is less than 0.5%. Hot air drying, sesame temperature is 40 ℃ when drying. Water was removed from the sesame seeds to reduce the moisture content to 7% (W / W). Then enter the screw press machine for oil extraction, the temperature of the sesame oil fed into the feed is 35°C, the screw speed is 40 rpm, and the oil outlet temperature is 45°C. The pressed oil is precipitated and finely filtered at 30°C to become pure natural edible sesame oil. The pressed cake can be further developed and utilized as food raw materials. The oil yield of this embodiment is 43.0%, the residual oil in the cake is 16.1%, and the production capacity is 7.36kg / h.

Embodiment 3

[0024] Appropriate amount of sesame seeds are removed through cleaning equipment to remove various impurities. After cleaning, the raw materials do not contain stones and iron substances, and the impurity content is less than 0.5%. Hot air drying, sesame temperature is 40 ℃ when drying. Water was removed from the sesame seeds to reduce the moisture content to 8% (W / W). Then enter the screw press machine for oil extraction, the temperature of the sesame oil fed into the feed is 10°C, the screw speed is 20 revs / min, and the oil outlet temperature is 40°C. The pressed oil is precipitated and finely filtered at 10°C to become pure natural edible sesame oil. The pressed cake can be further developed and utilized as food raw materials. The oil yield of this embodiment is 40.5%, the residual oil in the cake is 21.1%, and the production capacity is 5.45kg / h.

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Abstract

The invention provides a low-temperature cold-pressing method for sesame oil. The cold-pressing method for sesame oil is simple and easy, and the nutritive components, active substances in the oil and the fragrance of the sesame itself are not lost during the pressing process, and the pressed sesame oil is rich in fragrance and clear in color. The method is to firstly clean the sesame and remove the slag, and then dry it with hot air in a drying equipment. The temperature of the sesame is less than 50°C, and the moisture content of the sesame is reduced to 6wt%-10wt%. ~35°C, the oil output temperature is below 50°C; the final squeezed oil is precipitated and finely filtered at 20°C~40°C to obtain pure natural edible sesame oil. The invention has the advantages of simple process, scientific and reasonable, and no pollution to the environment; the protein in the cold-pressed cake is not denatured and can be further developed and utilized.

Description

technical field [0001] The invention relates to a vegetable oil and a processing method thereof, in particular to a new technology of low-temperature cold pressing of sesame oil. Background technique [0002] Sesame, also known as flax, belongs to Sesamaceae and is an annual herb. It is an ancient oil crop and one of the four major edible oil crops in my country. The sesame oil that people eat at present is mostly the sesame oil with strong fragrance through roasting. The production method of the traditional water substitution method is: cleaning, moistening seeds, frying seeds, raising smoke, grinding seeds, blending pulp, stirring oil and finally oscillating oil separation and other basic processes. Sesame oil produced by traditional techniques is darker in color and has a strong fragrance, which limits its range of use. Contents of the invention [0003] The invention provides a low-temperature cold-pressing method of sesame oil. The cold-pressing process of sesame oi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C11B1/06
Inventor 杜仲镛徐英
Owner 合肥燕庄食用油有限责任公司
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