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Research hotspots of high temperature resistant industrial flavor purification chemical in recent years
Author: Dongguan Wante source: http://fatheroye.com date: 2018-12-03 Clicks:
With the rapid development of fine chemical industry, daily chemical industry and food industry, not only the demand for spices increases year by year, but also the requirements for flavor types are getting higher and higher. ( ) 及缩硫醛 ( ) 类香料近几年来发展很快,已较多地应用于各种调味品和食品加工。 Heterocyclic acetal ( ketone ) and thiol ( ketone ) flavors have developed rapidly in recent years, and have been widely used in various condiments and food processing. ( 硫醛 ) 类香料,具有原料易得、香势强、阈值低、香气好、类型多、特征性强等特点,特别能适应当前人们食品和日用消费个性化、多样化、时尚化的需要,成为研究的热点。 In particular, furfural acetal ( thioaldehyde ) flavors have the characteristics of easy-to-obtain raw materials, strong aroma, low threshold, good aroma, many types, and strong characteristics. They are especially suitable for the current personalized and diverse food and daily consumption of people. The need for modernization and fashion has become a research hotspot.
( 庚醛、辛醛、壬醛、苯甲醛、月桂醛、柠檬醛、香茅醛、糠醛等 ) 和酮 (2- 庚酮、 2 3- 丁二酮、苯乙酮、麝香酮、环十五酮等 ) 都可以作为香料。 In fragrance chemistry, aldehydes ( heptanal, octanal, nonanal, benzaldehyde, lauraldehyde, citral, citronellal, furfural, etc. ) and ketones (2 -heptanone, 2 , 3 -butanedione, acetophenone , Muscone, cyclopentadecanone, etc. ) can be used as perfume. However, because of the chemical properties of carbonyl functional groups, especially aldehydes, they are prone to reactions such as oxidation, addition, and condensation. As a perfume, they are easily deteriorated in alkaline media and gradually lose their aroma. / 硫醇发生缩合生成缩醛 ( )/ 缩硫 ( ) ,则稳定性大大提高,在碱性介质中稳定、不变色,其香味也比缩合前的醛、酮淡雅,有时香气还可改变,甚至完全不同,并有香味优异持久、别具风格等特点,因而缩醛 ( ) 类香料研究很受关注,其产量和新品种的数量也在迅速增加。 If a carbonyl group is condensed with an alcohol / thiol to form an acetal / ketone , the stability is greatly improved, and it is stable and does not change color in an alkaline medium. Sometimes the aroma can be changed, even completely different, and has the characteristics of excellent and long-lasting fragrance, unique style and so on. Therefore, research on acetal ( ketone ) flavors has attracted much attention, and its yield and the number of new varieties have also increased rapidly. At the same time, these compounds are rich in synthetic raw materials and simple in manufacturing process. They have shown important applications in fine chemical synthesis, paint, pharmaceutical and other industries, and have great development potential.

The added amount is small, the cost is low, and the added value of the product is high. Compared with other flavoring methods, the use of flavor and fragrance powder can withstand high temperature and long fragrance. Its greater advantage is that it is easy to apply and the volatility of the fragrance is also ideal. Liquid flavors, powders, and masterbatches are used to process fragrant plastic products. Although the cost increases slightly, it can make the products more beautiful, durable and hygienic.
( ) 类香料具有多种香气香韵,如:乙醛二乙缩醛、苯乙醛二甲缩醛、柠檬醛二乙缩醛、月桂醛乙二醇缩醛等,具有玫瑰、风信子、百合、柠檬、柑桔等香气; l- 乙氧基 -1- 苯乙氧基乙烷、 1- 丙氧基 -1- 苯乙氧基乙烷、 1- 乙氧基 -1- 苯甲氧基乙烷等具有很强的清香和风信子香韵; 2- 己基 -1 3- 二氧茂烷,具有花香和清香气息; 2(1- 乙基戊基 )-1 3- 二氧茂烷,具有强烈的木香香气; 4- 庚基 -l 3- 二噁烷,具有花香香气和茉莉香韵; 2- 己基 -4 7- 二氢 -1 3- 二氧庚烯,具有温柔的花香和茉莉气息,对叔丁基环己酮乙二醇缩酮,具有麝香 - 木香香气;苹果酯,具有新鲜青苹果香味。 Acetal ( ketone ) flavors have a variety of aromas, such as: acetaldehyde diacetal, phenylacetaldehyde dimethyl acetal, citral diacetal, lauryl glycol acetal, etc. Aroma of hyacinth, lily, lemon, citrus; l- ethoxy- 1 -phenethoxyethane, 1 -propoxy- 1 -phenethoxyethane, 1- ethoxy- 1- Benzyloxyethane has strong fragrance and hyacinth aroma; 2- hexyl- 1 , 3- dioxane, with floral and fragrance aroma; 2 (1 -ethylpentyl ) -1 , 3- Dioxane, with strong woody aroma; 4- heptyl- l , 3 -dioxane, with floral aroma and jasmine aroma; 2- hexyl- 4 , 7 -dihydro- 1 , 3- dioxane Heptene, with a gentle floral and jasmine aroma , p-tert-butylcyclohexanone glycol ketal, with a musk - woody aroma; malate, with a fresh green apple aroma.

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