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Natural cinnamaldehyde extraction process

An extraction process and technology of cinnamaldehyde, applied in the field of extracting natural cinnamaldehyde, can solve the problems of fusion of cinnamon oil, uneven temperature of cinnamon oil, affecting the purity of natural cinnamaldehyde and the yield of natural cinnamaldehyde, and achieve high yield. Effect

Active Publication Date: 2014-12-24
广西京桂香料有限公司
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Problems solved by technology

In order to have enough temperature to evaporate the cinnamaldehyde in the cinnamon oil, the temperature of the hot oil in the heating oil tank is generally 30°C-50°C higher than the temperature of the cinnamon oil in the raw material tower kettle. The temperature of the oil is uneven, and the temperature at the contact surface between the cinnamon oil and the raw material tower kettle is high, which can easily cause local fusion of the cinnamon oil in the raw material tower kettle due to too high temperature, thus affecting the purity of natural cinnamaldehyde finished products and natural cinnamaldehyde output rate

Method used

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[0015] The extraction of natural cinnamaldehyde is carried out in special distillation equipment, such as figure 1 with figure 2 As shown, the distillation equipment has an evaporation equipment 6, and the evaporation equipment 6 is composed of a raw material still 6-1 and a distillation tower, and a raw material heater 6-2 is installed on the raw material still 6-1, and the raw material heater 6-2 uses Bolts are fixed on the raw material distillation kettle 6-1, and the inner cavity of the raw material heater 6-2 is equipped with a heat exchange core composed of many heat exchange tubes arranged in parallel and tube sheets closed at both ends of these heat exchange tubes. The outer space of the heat exchange tube of the heat exchange core is separated by 4 partitions into a raw material channel that loops around the partition. The raw material inlet 6-2-1 is located on the top of the raw material heater 6-2, and the raw material inlet 6-2- 2-1 is connected to the outlet of ...

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Abstract

The invention discloses a natural cinnamaldehyde extraction process, and relates to the technical field of a forest product chemical industry. The process is implemented by taking natural cinnamon oil as a raw material through carrying out extraction in four stages, wherein in the first stage, the temperature of a distillation still is 110 DEG C, the temperature of the top of a distillation tower is 50 DEG C, and the reflux ratio is 0:1; in the second stage, the temperature of the distillation still is 140 DEG C, the temperature of the top of the distillation tower is 110 DEG C, and the reflux ratio is 10:1; and in the third stage, the internal temperature of the distillation still is 160 DEG C, the temperature of the top of the distillation tower is 140 DEG C, the reflux ratio is 0:1, until the collected distillate achieves the analytical calculation quantity of natural cinnamaldehyde. The process disclosed by the invention can solve the problem that in the processes of distilling cinnamon oil and extracting natural cinnamaldehyde, the cinnamon oil is subjected to partial fusion because the cinnamon oil is heated unevenly, so that the purity of natural cinnamaldehyde finished products and the output capacity of natural cinnamaldehyde are affected.

Description

technical field [0001] The invention relates to the technical field of forest product industry, in particular to a process method for extracting natural cinnamaldehyde from natural cinnamon oil as a raw material. Background technique [0002] Natural cinnamaldehyde, chemical name 3-phenyl-2-acrylic acid, also known as phenylacrylaldehyde, cinnamaldehyde, cinnamaldehyde, its formula is C6H5-CH=CH-CHO, it has two isomers of cis and trans , but both natural and synthetic cinnamaldehyde are trans structures. Natural cinnamaldehyde is a colorless to light yellow oily liquid with a strong cinnamon aroma and medicinal aroma; it is easily oxidized to cinnamic acid in the air, with a melting point of -7.5°C and a boiling point of 253°C (atmospheric pressure), insoluble in water and petroleum Alcohol, easily soluble in alcohol, ether, chloroform and benzene, slightly soluble in water. Natural cinnamaldehyde is widely used in the production of medicine, spices, food, daily cosmetics,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C07C47/232C07C45/82
Inventor 梁定宏梁伟忠梁宏飞
Owner 广西京桂香料有限公司
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