Xi'an Prius Biological Engineering Co.,Ltd
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At present, the tomato lycopene is extracted from tomato. Do you know tomato lycopene extraction procedures? The main methods are direct solvent extraction, enzymatic reaction, microwave extraction, supercritical extraction of carbon dioxide, and ultrasonic extraction.
Solvent direct extraction
Tomato lycopene is not soluble in water, but can be dissolved in diethyl ether, petrol ether, hexaneacetone, and easily soluble in organic solvents such as chloroform, carbon disulfide, and benzene. To take advantage of this chemical characteristic of lycopene, a less polar organic solvent is used to extract lycopene. The direct solvent extraction method does not require complicated equipment. It is a good method for the industrial production of crude lycopene products such as lycopene oleoresin. And it has a larger volume ratio in a single process, which is simple and fast. In order to improve the extraction amount and the purity of the product, it is usually necessary to pre-treat the guava skin or purify the oleoresin before dipping.
Enzymatic reaction method
The enzymatic reaction method mainly utilizes the enzyme reaction to extract lycopene. Under alkaline conditions, the tomatoes are beaten and crushed or the by-products of tomato processing are used to react the pectinase and cellulase in the tomato skin, decompose pectin and cellulose, and make the lycopene protein complex from the cells. Dissolve. This tomato lycopene extraction procedure can shorten the extraction time. Compared with the organic solvent extraction method, the enzymatic reaction method greatly shortens the extraction time, and the lycopene extraction rate is greatly improved.
Microwave Extraction Method
Microwave extraction is a method that utilizes ultra-high frequency electromagnetic waves with strong electromagnetic penetration. It can achieve uniform and rapid heating at the same time inside and outside the particles. Microwave extraction of lycopene is beneficial to the penetration of organic solvents through the cell walls and membranes of lycopene, and it can better dissolve the extract from the cells, so as to obtain a higher lycopene extraction rate. This tomato lycopene extraction procedure can not only reduce production time, save energy and operating costs, obtain a relatively high extraction rate, but also meets the requirements of environmental protection.
Carbon dioxide supercritical extraction method
Carbon dioxide supercritical extraction method is an emerging separation technology in the food industry. It utilizes the relationship between the solubility of a supercritical fluid and its density, that is, the solubility of a supercritical fluid is affected by its pressure and temperature. Compared with the traditional chemical solvent extraction method, it has unparalleled advantages. This technique uses supercritical carbon dioxide as an extractant to extract and refine lycopene la] from the material. The advantage of this method is that it does not require the use of chemical solvents, there is no pollution, and the extraction conditions are very mild. It is very suitable for the extraction of lycopene and other heat-sensitive materials. It has a better extraction effect on lycopene.
Ultrasonic extraction method
The ultrasonic extraction method uses the cavitation and vibration of ultrasonic waves to completely rupture the tomato cell wall, and the entire rupture process is completed in a very short time, which not only accelerates the lycopene in tomatoes, but also is conducive to the retention of active ingredients. The production equipment used in the ultrasonic extraction method is very simple and easy to operate. Therefore, the extraction of lycopene by ultrasonic extraction method can not only improve the extraction efficiency, shorten the extraction time, but also is simple and easy to implement. It is a very effective lycopene extraction method. In addition, lycopene can be produced by microbial fermentation, chemical synthesis, and high-performance liquid chromatography. The production and application of lycopene has become an increasingly hot topic in the academic world.