Ultrasonic-assisted rubber seed oil extraction method

A rubber seed oil, auxiliary extraction technology, applied in the direction of fat oil/fat production, fat oil/fat refining, fat production, etc., can solve the problems of easily damaged olive pomace oil quality, long extraction time, unfriendly environment, etc., to shorten Enzymolysis and hydration flocculation time, convenient preparation, good oil quality

Inactive Publication Date: 2017-06-30
WUHAN POLYTECHNIC UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

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

Method used

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  • Ultrasonic-assisted rubber seed oil extraction method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Select the rubber seed kernels for cold pressing until the oil content is 10%, and obtain the rubber seed cake; continue to dry the rubber seed cake until the moisture content is 4%, to obtain the rubber seed cake raw material; add n-hexane to the rubber seed cake raw material Ultrasonic-assisted extraction, and separation to obtain crude rubber seed oil, then vacuum-dry the crude rubber seed oil to obtain crude rubber seed oil. %, the phospholipid content is 2318.85mg / Kg; heat the rubber seed crude oil to 80°C in a water bath, add 0.13% of the oil weight and citric acid with a concentration of 40%, and after being homogeneously mixed, stir under the assistance of ultrasonic waves And insulated and retained for acidification reaction for 10 minutes, after the rubber seed crude oil was acidified, acidified rubber seed oil was obtained; the pH of the acidified rubber seed oil was adjusted to 4.5, and phospholipase A1 of 0.008% of the acidified rubber seed oil quality was a...

Embodiment 2

[0033] Select the rubber seed kernels for cold pressing until the oil content is 12.5% ​​to obtain the rubber seed cake; continue to dry the rubber seed cake until the moisture content is 5% to obtain the rubber seed cake raw material; add n-hexane to the rubber seed cake raw material Ultrasonic-assisted extraction, and separation to obtain crude rubber seed oil, then vacuum-dry the crude rubber seed oil to obtain crude rubber seed oil. %, the phospholipid content is 3426.10mg / Kg; heat the rubber seed crude oil to 75°C in a water bath, add 0.115% of the oil weight and citric acid with a concentration of 45%, and after being homogeneously mixed, stir under the assistance of ultrasonic waves And insulated and retained for acidification reaction for 15 minutes, after the rubber seed crude oil was acidified, acidified rubber seed oil was obtained; the pH of the acidified rubber seed oil was adjusted to 4.9, and phospholipase A1 of 0.010% of the acidified rubber seed oil quality was...

Embodiment 3

[0035] Select rubber seed kernels for cold pressing until the oil content is 15% to obtain rubber seed cake; continue to dry the rubber seed cake until the moisture content is 4.5% to obtain rubber seed cake raw material; add n-hexane to the rubber seed cake raw material Ultrasonic-assisted extraction, and separation to obtain crude rubber seed oil, then vacuum-dry the crude rubber seed oil to obtain crude rubber seed oil. %, the phospholipid content is 2872.48mg / Kg; heat the rubber seed crude oil to 85°C in a water bath, add 0.10% of the oil weight and citric acid with a concentration of 35%, and after homogeneous mixing, stir under the assistance of ultrasonic waves And keep it warm for acidification reaction for 10 minutes. After the rubber seed crude oil is acidified, the acidified rubber seed oil is obtained; the pH of the acidified rubber seed oil is adjusted to 4.7, and phospholipase A1 of 0.009% of the acidified rubber seed oil quality is added for ultrasonication. Aux...

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Abstract

The invention discloses an ultrasonic-assisted rubber seed oil extraction method which comprises the following steps: step one, preparation of rubber seed cake raw materials; step two, preparation of rubber seed crude oil; step three, acidizing: the rubber seed oil is subjected to acidizing, and acidized rubber seed oil is obtained; step four, first enzymolysis, first rubber seed oil is prepared; step five, second enzymolysis, second rubber seed oil is obtained; step six, third enzymolysis, third rubber seed oil is obtained; step seven, vacuum drying: the third rubber seed oil is subjected to vacuum drying treatment, and the finished product rubber seed oil is obtained. According to the ultrasonic-assisted rubber seed oil extraction method, the phospholipid content in the rubber seed oil ranges from 5.28 mg/Kg to 9.42 mg/Kg, the rubber seed oil is safe and environment-friendly, the preparation is convenient, and the oil quality is good.

Description

technical field [0001] The invention relates to the technical field of rubber seed oil, in particular to a method for ultrasonically assisted extraction of rubber seed oil. Background technique [0002] Rubber seed is the seed of the capsule of Hevea brasiliensis, an arbor tree in the Euphorbiaceae family. It is oval, brown with silver-gray markings, and consists of a seed shell and a kernel. The kernel is covered with a soft film layer. It is a kind of to-be-developed Oil of tropical woody plants. The oil content of rubber seed kernels is as high as 50% / (dry basis), and the unsaturated fatty acid content in the oil is about 84% (including 25% oleic acid, 35% linoleic acid, and 24% linolenic acid), which are especially necessary for the human body and cannot The content of the synthesized α-linolenic acid (18:3) is very high, which is 3 to 4 times that of soybean oil and rapeseed oil. After the human body ingests it, it can be converted into EPA and DHA to play a role; it l...

Claims

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Application Information

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IPC IPC(8): C11B1/04C11B1/10C11B3/00C11B3/16C11B3/04
CPCC11B1/04C11B1/106C11B1/108C11B3/001C11B3/003C11B3/04C11B3/16
Inventor 何东平胡传荣刘零怡郭雄
Owner WUHAN POLYTECHNIC UNIVERSITY
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