Coconut oil extraction method

An extraction method, coconut oil technology, applied in the direction of fat oil/fat production, fat production, etc., can solve the problems of high moisture content of coconut oil, low extraction rate of coconut oil, unfavorable coconut oil preservation, etc., and achieve good application prospects, extraction method Simple, safe, and low-cost effects

Inactive Publication Date: 2015-12-09
HAINAN UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Generally, the pressing method is divided into dry pressing method and cold pressing method; dry pressing is to squeeze the coconut meat after drying, but when using this method, the coconut meat will turn brown after drying, and the extracted coconut oil is very dark in color; cold pressing The method is to directly squeeze fresh coconut meat to produce coconut oil. Although the coconut oil is clear and rich in coconut fragrance by this method, the extraction rate of coconut oil is low, and the extracted coconut oil has a high moisture content, which is not conducive to the preservation of coconut oil.
The organic solvent extraction method not only costs a lot, but also pollutes the environment, and the organic solvents used are also harmful to human health.

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A kind of extraction method of coconut oil, comprises the following steps:

[0028] 1) Refining 100g of coconut meat and 300g of water to obtain coconut milk I

[0029] 2) Put the coconut milk I into an ultrasonic and microwave co-extractor for processing for 10 minutes, then cool to 25°C to obtain coconut milk II;

[0030] 3) Add 1 g of compound enzyme to the coconut milk II, enzymatically hydrolyze it in a water bath for 24 hours, the temperature of the enzymolysis in the water bath is 40° C., and carry out an enzymatic treatment for 30 minutes after the enzymolysis in a water bath to obtain coconut milk III;

[0031] The compound enzyme is prepared from 1g of cellulase, 3g of papain and 1g of beta-glucanase;

[0032] 4) The coconut milk III is centrifuged, the centrifugal speed is 3000r / min, and the centrifugation time is 10min, and the upper layer of clear oil is absorbed to obtain the coconut oil.

Embodiment 2

[0034] A kind of extraction method of coconut oil, comprises the following steps:

[0035] 1) Refining 100g of coconut meat and 400g of water to obtain coconut milk I

[0036] 2) Put the coconut milk I into an ultrasonic microwave synergistic extractor for processing for 5 minutes, then cool to 40°C to obtain coconut milk II;

[0037] 3) Add 2g of compound enzyme to the coconut milk II, enzymatically hydrolyze it in a water bath for 36 hours, and the temperature of the enzymolysis in the water bath is 55° C. After enzymolysis in a water bath, carry out an enzymatic treatment for 30 minutes to obtain coconut milk III;

[0038] The compound enzyme is prepared from 1g of cellulase, 1g of papain and 1g of beta-glucanase;

[0039] 4) The coconut milk III is centrifuged, the centrifugal speed is 5000r / min, and the centrifugation time is 20min, and the upper layer of clear oil is absorbed to obtain the coconut oil.

Embodiment 3

[0041] A kind of extraction method of coconut oil, comprises the following steps:

[0042] 1) Refining 100g of coconut meat and 500g of water to obtain coconut milk I

[0043] 2) Put the coconut milk I into an ultrasonic and microwave synergistic extractor for processing for 15 minutes, then cool to 50°C to obtain coconut milk II;

[0044] 3) Add 3g of compound enzyme to the coconut milk II, enzymatically hydrolyze it in a water bath for 36 hours, the temperature of the enzymolysis in the water bath is 60°C, and carry out an enzymatic treatment for 30 minutes after the enzymolysis in a water bath to obtain coconut milk III;

[0045] The compound enzyme is prepared from 3g cellulase, 2g papain and 2g beta-glucanase;

[0046] 4) The coconut milk III is centrifuged, the centrifugal speed is 8000r / min, and the centrifugation time is 30min, and the upper layer of clear oil is absorbed to obtain the coconut oil.

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Abstract

The invention discloses a coconut oil extraction method, which comprises the following steps of grinding coconut flesh into pulp; performing microwave ultrasonic processing on the coconut pulp; performing enzymolysis and centrifugation; taking upper layer clean oil to obtain coconut oil. When the coconut oil extraction method provided by the invention is used, under the conditions of not using organic solvents or not adopting high-temperature processing, the damage to nutrition substances is reduced; the method is simple and safe; the oil yield is high; the cost is low; the energy consumption is low; residue liquid after the oil and grease extraction contains rich protein and polypeptide and can be recovered and reused; the residue solid contains rich dietary fiber and polysaccharide, and can be used as animal feed or can provide carbon sources for microorganism fermentation; waste water can be easily processed; substances harmful to environment cannot be generated; the prepared coconut oil is clear and transparent, has intense coconut fragrance and has good application prospects.

Description

technical field [0001] The invention relates to the field of food, in particular to a method for extracting coconut oil. Background technique [0002] Raw coconut oil is a kind of vegetable oil extracted from fresh mature coconut meat by mechanical or natural methods, with or without heating. It is composed of medium-carbon chain fatty acids. The medium-chain fat molecules are smaller than the long-chain fat molecules of other foods, and are easily digested and absorbed by the human body. The digestion of dietary coconut oil does not require the use of human pancreatic digestive enzyme system, which exerts little pressure on the body's enzyme and hormone systems. Moreover, the liver is more inclined to use medium-chain fatty acids as a fuel source for energy production, thereby improving the efficiency of metabolism. Coconut oil has the functions of lowering bad cholesterol, increasing good cholesterol, easy to digest, helping to lose weight, preventing metabolic syndrome c...

Claims

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Application Information

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IPC IPC(8): C11B1/00C11B1/04
Inventor 白新鹏武林贺杨慧强张宇翔
Owner HAINAN UNIVERSITY
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