Gardenia fruit oil and subcritical fluid preparation method thereof

A technology of gardenia fruit and gardenia oil, which is applied in the directions of edible oil/fat, fat oil/fat production, and fat production, can solve the problem that there is no industrialized gardenia oil supply market, gardenia fruit oil is not valued, and extraction technology little research, etc.

Active Publication Date: 2015-01-14
王志远 +2
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Problems solved by technology

[0003] Gardenia fruit oil has not been valued for a long time, there is no ind...

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] Embodiment 1, extract gardenia fruit oil

[0024] Gardenia fruit oil was extracted from shelled Gardenia jasminoides kernels by subcritical butane method, the particle size of the raw material was 40 mesh, the control pressure was 0.5Mpa, the temperature was 40°C, and the extraction time was 30min. Since butane, the extraction fluid used, is a gas at normal temperature and pressure, gardenia oil and butane can be directly separated after depressurization and gasification, and the recovered butane is compressed and liquefied for recycling. The yield of the obtained gardenia fruit oil (mass ratio of gardenia fruit oil and shelled gardenia nuts) is 19.2%, and the Soxhlet extraction method oil assay method is the standard, and the extraction rate of the present embodiment ( The ratio of gardenia fruit oil to the theoretical oil content in shelled gardenia nuts) is 92.2%.

[0025] The gardenia fruit oil prepared in this example, the main fatty acids were determined by ester...

Embodiment 2

[0029] Embodiment 2, extract gardenia fruit oil

[0030] Gardenia fruit oil was extracted from shelled Gardenia jasmine kernels by subcritical petroleum ether method, and the particle size of the raw material was 40 mesh. The control pressure is 10Mpa, the temperature is 100°C, and the extraction time is 15min. The extract leaves the extraction chamber with the solvent and enters the recovery chamber. The solvent was concentrated and recovered under reduced pressure, and the yield of the obtained Gardenia fruit oil (mass ratio of Gardenia fruit oil to shelled Gardenia nuts) was 20.2%. The extraction rate of the embodiment (the ratio of the gardenia fruit oil to the theoretical oil content in the shelled gardenia nuts) is 95.2%.

[0031] The gardenia fruit oil prepared in this example, the main fatty acids are determined by the esterification-GC / MS method for measuring oil, the mass content is as follows: palmitic acid 15.26%, stearic acid 1.27%, oleic acid 24.12%, linoleic a...

Embodiment 3

[0034] Embodiment 3, extract gardenia fruit oil

[0035] Use the whole fruit of gardenia jasminoides to extract the residue of the pigment by water percolation method (the steps of extracting pigment by water percolation method: crush the gardenia jasmine, put it into the percolation irrigation, add deionized water slowly from top to bottom, and carry out percolation) raw material, particle size is 40 mesh. Gardenia fruit oil was extracted with subcritical petroleum ether as a solvent. The control pressure was 10Mpa, the temperature was 100°C, and the extraction time was about 15 minutes. The extract left the extraction chamber with the solvent and entered the recovery chamber. After concentrating and recovering the solvent under reduced pressure, the yield of the obtained Gardenia fruit oil (the mass ratio of Gardenia fruit oil to the whole fruit of Gardenia jasminoides) is 18.6%; it is based on the Soxhlet extraction method for oil determination, and the present embodiment ...

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Abstract

The invention discloses a gardenia fruit oil and a preparation method thereof. The method is characterized in that subcritical extraction is carried out on full gardenia fruits, shelled gardenia fruits, or gardenia residues obtained after pigment extraction through a water percolating technique to obtain gardenia fruit oil. The gardenia fruit oil contains carotenoids characterized by natural crocin; the content of total carotenoids is about 50-250mg/kg by determining through spectrophotometry (440-460nm); and the total carotenoids contain crocin, xanthin, zeaxanthin and other oxygen-containing carotenoids. The gardenia fruit oil contains carotenoids characterized by natural crocin, so the gardenia fruit oil can be developed to form many healthy products with high health values and added values. The subcritical fluid preparation method has the potential to become one of the ways to solve the lack of edible oil in China.

Description

technical field [0001] The invention relates to a gardenia fruit oil and a preparation method of a subcritical fluid thereof. Background technique [0002] Gardenia (Gardenia), which is native to China, is identified by the Chinese Pharmacopoeia as having the effect of "purging fire and relieving restlessness". The Ministry of Health has also determined that gardenia is a plant that is both medicine and food. As a raw material for the traditional Chinese medicine industry, about 3% of geniposide is used as the quality standard; as a raw material for the food additive and pigment industry, the main extraction target is to extract gardenia yellow pigment represented by about 1% of crocin. . In fact, the gardenia fruit of the woody fruit also contains 18-25% gardenia oil. China is currently seriously short of edible oil and needs to import a lot from abroad. The development of woody oil is a strategic measure to solve China's oil shortage. [0003] Gardenia fruit oil has n...

Claims

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Application Information

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IPC IPC(8): C11B1/10C11B1/04A23D9/007A23D9/02
CPCA23D9/007A23D9/02C11B1/04C11B1/10
Inventor 王志远张有做胡润淮王立高前欣
Owner 王志远
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