Method of extracting decapterus maruadsi oil through low-temperature continuous phase transition

A low-temperature continuous phase change, blue round trevally technology, applied in the direction of fat oil/fat production, fat production, etc., can solve the problem that the research on blue round trevally oil components has not been reported, and achieves reduction of the loss of low-boiling point components, convenient operation, batch processing, etc. High-volume effects

Active Publication Date: 2016-06-15
SOUTH CHINA AGRI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] However, the application of low-temperature continuous phase-change extraction technology in the field of natural products is still mainly focused on the extraction of plant volatile oils and pigments, and there is no report on the use of low-temperature continuous phase-change extraction of the oil components of blue round trevally

Method used

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  • Method of extracting decapterus maruadsi oil through low-temperature continuous phase transition
  • Method of extracting decapterus maruadsi oil through low-temperature continuous phase transition
  • Method of extracting decapterus maruadsi oil through low-temperature continuous phase transition

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Embodiment 1

[0046] The present embodiment provides the preparation of blue round trevally oil, and the preparation method comprises the following steps:

[0047] S1. Wash the fresh blue squid, dry other tissue parts except the viscera at 56°C, take out the viscera and use vacuum freeze-drying, crush to make the water content of 10-13%, and obtain the powdery raw material of blue squid;

[0048] The vacuum freeze-drying can refer to the prior art. Preferably, the vacuum freeze-drying conditions adopted in this embodiment are heating plate temperature 45°C, material thickness 5mm, drying chamber pressure 50pa, and pre-freezing temperature -20°C.

[0049] S2. Weigh 300g of the processed blue scad powder raw material, put it into the extraction kettle of the continuous phase change extraction device, and flow it at a flow rate of 120L / h under the conditions of extraction temperature 50°C and extraction pressure 0.6Mpa Continuously extract for 50 minutes through the extraction tank, after ext...

Embodiment 2

[0052] The present embodiment provides the preparation method of blue round trevally oil, comprises the following steps:

[0053] S1. Wash the fresh blue carp, dry other tissue parts except the internal organs at a temperature of 52° C., take out the viscera and use vacuum freeze-drying, crush to make the water content 10-13%, and obtain the powdery raw material of blue carp; Vacuum freeze-drying can refer to prior art. Preferably, the vacuum freeze-drying conditions adopted in this embodiment are heating plate temperature of about 48°C, material thickness of 6mm, drying chamber pressure of 55pa, and pre-freezing temperature of -18°C.

[0054] S2. Weigh 300g of the treated trevally powder raw material, put it into the extraction kettle of the continuous phase change extraction device, and flow through the extraction at a flow rate of 110L / h under the conditions of extraction temperature 45°C and extraction pressure 0.5Mpa Kettle, continuous extraction for 70min. After extract...

Embodiment 3

[0057] The present embodiment provides the preparation method of blue round trevally oil, comprises the following steps:

[0058] S1. Wash the fresh blue carp, dry other tissue parts except the viscera at 48°C, take out the viscera, use vacuum freeze-drying, crush to make the water content 10-13%, and obtain the blue carcass powder raw material; Vacuum freeze-drying can refer to prior art. Preferably, the vacuum freeze-drying conditions adopted in this embodiment are heating plate temperature 40°C, material thickness 4mm, drying chamber pressure 50pa, and pre-freezing temperature -20°C.

[0059] S2. Weigh 300g of the treated trevally powder raw material, put it into the extraction kettle of the continuous phase change extraction device, and flow through the extraction at a flow rate of 100L / h under the conditions of extraction temperature 60°C and extraction pressure 0.3Mpa Kettle, continuous extraction for 110min, after the fish oil is extracted, it flows into the analysis k...

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Abstract

The invention discloses a method of extracting decapterus maruadsi oil through low-temperature continuous phase transition and decapterus maruadsi oil.The method includes: placing decapterus maruadsi powdery raw materials in an extraction kettle; under conditions of extraction temperature of 40-60 DEG C and extraction pressure 0.3-1.0 Mpa, compressing an extraction agent into liquid, enabling the liquid to flow through the extraction kettle at a flow rate of 100-150 L/h for continuous extraction of 30-110 min, and after decapterus maruadsi oil is extracted, enabling the liquid to enter an analysis kettle with analysis temperature of 50-80 DEG C and analysis pressure of 0.1-0.4 Mpa; performing phase transition on the extraction agent to form gas, immediately compressing the gas into liquid, enabling the liquid to flow through the extraction kettle, extracting materials again, enabling the materials to carry oil to enter an analysis tank through a solvent of an extraction tank, and obtaining a decapterus maruadsi oil product after analysis.Compared with conventional extraction methods, the method is accurate and stable in process, the decapterus maruadsi oil is high in quality, extraction rate is increased remarkably, and efficient extraction of ocean low-value decapterus maruadsi oil is realized, so that cost can be saved, product yield can be increased, and economic benefit of production enterprises can be improved.

Description

technical field [0001] The invention relates to extraction and separation technology, in particular to the technical field of oil extraction by using marine low-value fish resources, and more specifically, to a method for extracting blue trevally oil by continuous phase transition at low temperature and the obtained blue round trevally oil. Background technique [0002] Blue round trevally (Decapterus Maruadsi), also known as Balang fish, sticky fish, pond fish, and pond fish, belongs to the family Carangidae (Carangidae) and belongs to the middle and pelagic migratory fishes. It is widely distributed in Japan, South Korea, East China Sea and Taiwan waters. In the past ten years, the annual catch of blue squid in the world has basically exceeded 5 million tons, and the output ranks third among all single fish species in the world. Due to the low direct edible value, it is generally used to make animal feed, or even discarded directly, resulting in a great waste of resources...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11B1/10
CPCC11B1/10
Inventor 周爱梅杨小斌
Owner SOUTH CHINA AGRI UNIV
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