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Method for removing odor of lutein extract

A technology of lutein and extract, which is applied in the field of refining food additives, can solve the problems of cumbersome operation, lack of reach, and removal of lutein extract, etc., and achieve the effects of simple process, improved purity, and good odor removal effect

Inactive Publication Date: 2019-05-31
CHENGUANG BIOTECH GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The inert gas injection method is to inject the inert gas into the lutein extract, and the inert gas will bring out the odorous substances under heating conditions, because the odorous substances in the lutein extract are closely combined with the lutein extract , the inert gas can only remove a very small amount of odor substances; the activated carbon adsorption method can only absorb a small amount of odor substances, and the supercritical gas method is slightly better than the first two methods, but the supercritical gas method is not only cumbersome to operate, Also can not reach the effect of completely removing the peculiar smell in the lutein extract

Method used

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  • Method for removing odor of lutein extract

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Mix the lutein extract extracted from marigold flowers (the purity is measured by lutein content, and the lutein content in liquid phase detection is 12.1%) and sesame oil at a weight ratio of 1:0.2, and then add it to the molecular distillation equipment , adjust the distillation temperature to 50°C, adjust the vacuum degree to 300Pa, obtain the heavy phase substance after distillation for 1h; add the heavy phase substance to the molecular distillation device, adjust the temperature to 190°C, adjust the vacuum degree to 80Pa, and obtain no The yield of the peculiar smell lutein extract is 99.3%, the purity of the lutein extract is 15.3%, and the chromatographic detection results show that the peak of the peculiar smell substance completely disappears.

Embodiment 2

[0028] Mix the lutein extract extracted from marigold flowers (the purity is measured by the lutein content, and the lutein content in liquid phase detection is 20.3%) and sunflower oil at a ratio of 1:1, and then add it to the molecular distillation equipment , adjust the distillation temperature to 60°C, adjust the vacuum to 200Pa, and obtain the heavy phase substance after distillation for 1.5h; add the heavy phase substance to the molecular distillation device, adjust the temperature to 160°C, adjust the vacuum degree to 5Pa, and obtain after distillation for 1h The lutein extract has no peculiar smell, the content yield is 99.1%, the purity of the lutein extract is 21.2%, and the chromatographic detection results show that the peak of the peculiar smell substance completely disappears.

Embodiment 3

[0030] The lutein extract extracted from marigold flowers (the purity is measured by the lutein content, and the lutein content detected by liquid phase is 15.7%) is mixed with palm oil at a ratio of 1:10 and then added to the molecular distillation equipment. Adjust the distillation temperature to 70°C, adjust the vacuum degree to 400Pa, obtain the heavy phase substance after distillation for 2 hours; add the heavy phase substance to the molecular distillation device, adjust the temperature to 150°C, adjust the vacuum degree to 50Pa, and obtain no The peculiar smell lutein extract has a content yield of 99.2%, and the purity of the lutein extract is 17.6%. Such as figure 1 as shown, figure 1 The waveform diagram at the top is the peak diagram of the odorous substances in the lutein extract, each peak in the figure is the characteristic peak of the odorous substances, and the peak area corresponding to the peak position of the odorous substances in the lower figure is zero, i...

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Abstract

The invention discloses a method for removing odor of lutein extract, belonging to the technical field of refining lutein extract. The method comprises first adding a blending agent into lutein extract and then performing molecular distillation. The method can completely remove the odor in the lutein extract, and does not affect the health care effect of the lutein extract, and the lutein extractafter the odor removal can be directly applied as a food pigment or food additive. In addition, according to the method, the lutein extract content is 99% or more, and the purity of the lutein extractis also improved.

Description

technical field [0001] The invention relates to lutein extract, in particular to a method for removing peculiar smell from lutein extract, and belongs to the technical field of food additive refining. Background technique [0002] Lutein is an oxygen-containing carotenoid that is widely found in plants such as pumpkins, spinach, cabbage, and marigold flowers. Among them, it has the highest content in marigold. Studies in recent years have shown that free lutein has poor stability in vitro and is prone to oxidative degradation, while the stability of lutein in the form of lutein esters is significantly better than free lutein. The study also found that lutein esters are more easily absorbed by the human body. It can be converted into free lutein in the human body. Free lutein has the functions of anti-oxidation, eliminating free radicals, anti-cancer, and reducing the incidence of cardiovascular diseases. effect. However, after the lutein ester in the marigold extract is e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L33/105A23L5/20
Inventor 王浩亮安晓东连运河高伟田洪
Owner CHENGUANG BIOTECH GRP CO LTD
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