Method for ultrasonic-assisted extraction of olive pomace oil

A technology of olive pomace oil and olive pomace, which is applied in the direction of fat oil/fat production, fat oil/fat refining, fat production, etc. It can solve the problems of olive pomace oil quality that is easily damaged, unfriendly environment, and long extraction time, etc. To achieve the effect of improving the utilization rate of clay, good decolorization effect and short decolorization time

Inactive Publication Date: 2015-11-11
WUHAN POLYTECHNIC UNIVERSITY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In the prior art, although the leaching method has the advantages of low cost and high oil yield, its extraction time is too long, it is easy to damage the quality of olive pomace oil, and it will release more solvent gas, which is not friendly to the environment. There is a great security risk

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  • Method for ultrasonic-assisted extraction of olive pomace oil

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preparation example Construction

[0022] Step 1. Preparation of olive pomace raw material: select olive fruit and carry out cold pressing treatment, the pressing pressure is 55-60Mpa, the pressing temperature is 45-55°C, and the pressing time is 2-8 hours, until the oil content is 15-20%. Obtaining the olive pomace; drying the olive pomace at a temperature of 45-55° C. in the dark for 1-2 hours, crushing through a 30-50 mesh sieve, and continuing to dry until the moisture content is 4-6%, so as to obtain the raw material of the olive pomace;

[0023] Step 2: Add n-hexane to the raw material of olive pomace, and conduct ultrasonic-assisted extraction under the conditions of solid-liquid ratio (g / ml) 1:4-10, temperature 40-60°C, ultrasonic frequency 2KHz, ultrasonic power 400-800W 30 to 60 minutes, and separated by a rotary evaporator to obtain crude olive pomace oil and solvent, and recover the solvent at the same time, then vacuum dry the crude olive pomace oil. The vacuum drying conditions are: vacuum degree i...

Embodiment 1

[0029] Select the olive fruit for cold pressing, the pressing pressure is 55MPa, the pressing temperature is 50°C, and the pressing time is 4 hours until the oil content is 15%, and the olive pomace is obtained; the olive pomace is dried at a temperature of 45°C in the dark After 2 hours, crush through a 40-mesh sieve, and continue to dry until the moisture content is 5%, to obtain the olive pomace raw material; 1. Under the condition of ultrasonic power 400W, the ultrasonic-assisted extraction was carried out for 60 minutes, and the virgin olive pomace crude oil and solvent were separated by a rotary evaporator, and the solvent was recovered at the same time, and then the virgin olive pomace crude oil was vacuum-dried. The vacuum drying conditions were: The vacuum degree is 0.08MPa, the temperature is 50°C, and the drying time is 90 minutes to obtain olive pomace crude oil; the olive pomace crude oil is subjected to anhydrous washing long-mixing deacidification treatment, and ...

Embodiment 2

[0031] Select the olive fruit for cold pressing, the pressing pressure is 60Mpa, the pressing temperature is 45°C, and the pressing time is 6 hours, until the oil content is 20%, and the olive pomace is obtained; the olive pomace is dried at a temperature of 55°C in the dark 1 hour, crushed through a 30-mesh sieve, continued to dry until the moisture content was 4%, and obtained the raw material of olive pomace; 1. Under the condition of ultrasonic power 800W, ultrasonic-assisted extraction was performed for 30 minutes, and the virgin olive pomace crude oil and solvent were separated by a rotary evaporator, and the solvent was recovered at the same time, and then the virgin olive pomace crude oil was vacuum-dried. The vacuum drying conditions were: The vacuum degree is 0.09MPa, the temperature is 55°C, and the drying time is 60 minutes to obtain olive pomace crude oil; the olive pomace crude oil is subjected to anhydrous washing and long-mixing deacidification treatment, and th...

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Abstract

The invention discloses a method for ultrasonic-assisted extraction of olive pomace oil. The method comprises the following steps: 1, preparing an olive pomace oil raw material; 2, adding n-hexane to the olive pomace oil raw material, and carrying out ultrasonic-assisted extraction to obtain crude olive pomace oil; 3, carrying out waterless washing long-mixing depickling treatment on the crude olive pomace oil to obtain depickled olive pomace oil; 4, dehydrating the depickled olive pomace oil to obtain dehydrated olive pomace oil; 5, respectively carrying out primary decoloring and secondary decoloring treatment on the dehydrated olive pomace oil to obtain double decolored olive pomace oil; and 6, deodorizing the double decolored olive pomace oil to obtain finished olive pomace oil. The method for ultrasonic-assisted extraction of olive pomace oil has the advantages of simple process, safety, environmental protection, high efficiency, fastness, good oil quality and high oil yield, and is suitable for small-lot production of the olive pomace oil.

Description

technical field [0001] The invention relates to the technical field of oil processing, in particular to a method for ultrasonically assisted extraction of olive pomace oil. Background technique [0002] The whole body of the olive tree is full of treasures, and the oil content of the fruit is about 25%, which has high industrial value and nutritional value. The pomace produced after olive fruit processing also has multiple uses. The olive pomace oil obtained through purification and refining can be widely used in cosmetics, such as hair conditioner, shampoo, cream, castile soap, etc.; in addition, international research shows that from Masilicate acid isolated from olive pomace oil can inhibit the activity of serine protease and slow down the transfer of HIV in the body by 80%, which has great prospects for pharmaceutical development. [0003] In the prior art, although the leaching method has the advantages of low cost and high oil yield, its extraction time is too long, i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B1/00C11B1/06C11B1/04C11B3/00C11B3/04C11B3/06C11B3/16C11B3/10
Inventor 何东平胡传荣朱瑾艳刘零怡彭辉
Owner WUHAN POLYTECHNIC UNIVERSITY
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