Analysis and reconstitution of characteristic aromas in Tie Guanyin tea based on sensory-oriented separation and its application in cigarette flavoring was written by Cao, Xiaoliang;Zhang, Feng;Chai, Guobi;Liu, Jiazeng;Hong, Zucan;Zhou, Peichen;Sun, Shihao;Hu, Jun;Mao, Zhongyi;Ji, Lingbo;Fu, Yingjie;Xi, Hui. And the article was included in Zhongguo Yancao Xuebao in 2021.Application In Synthesis of 5-Hexyldihydrofuran-2(3H)-one This article mentions the following:
[Objective] This study aims to establish a method of natural flavor aroma reconstruction and style enhancement and applied it to cigarette flavoring. [Methods] With Tie Guanyin tea extracts as the object, characteristic aroma groups of Tie Guanyin tea were collected by sensory-oriented gel chromatog. separation Qual. and quant. anal. was conducted by HS-SPME combined with GC/MS anal. The olfactory thresholds of the 41 aroma components in ethanol were determined by three-alternative forcedchoice method, and their odor activity values (OAVs) were calculated on the basis of their mass fraction. On this basis, their contributions to the aroma of tea were estimated Organoleptic evaluation of the key aroma components based on OAV was verified by recombining reconstitution of the key aroma components in tea extracts, comparative evaluation based on aroma profile method and enhancement of characteristic aromas. [Results] 1) 117 streams were collected by sensory-oriented Gel chromatog. separation, in which 28 characteristic aroma streams of Tie Guanyin tea were separated and enriched. 2) 41 characteristic aroma components in Tie Guanyin tea extract were identified by screening, among which 22 aroma components, such as linalool, nerolidol, phenethyl alc., geraniol, citral, indole, Me jasmonate, and Et caproate, contribute the most to the sensory effects. 3) The aroma profile of the recombinant of key aroma components was basically consistent with that of Tie Guanyin tea extracts, so it could reproduce the aroma characteristics style of tea better. 4) The combination of tea aroma recombinants and tea extracts could enhance the tea flavor in cigarettes, enhance the floral scent, delicate fragrance, fruity fragrance significantly, increase the aroma intensity significantly and improve the smoking quality of cigarettes. In the experiment, the researchers used many compounds, for example, 5-Hexyldihydrofuran-2(3H)-one (cas: 706-14-9Application In Synthesis of 5-Hexyldihydrofuran-2(3H)-one).
5-Hexyldihydrofuran-2(3H)-one (cas: 706-14-9) belongs to esters. Carboxylic acid esters of low molecular weight are colourless, volatile liquids with pleasant odours, slightly soluble in water. Acyl chlorides and acid anhydrides alcoholysis is another way to produce esters. Acyl chlorides and acid anhydrides react with alcohols to produce esters. Anydrous conditions are recommended since both acyl chlorides and acid anhydrides react with water.Application In Synthesis of 5-Hexyldihydrofuran-2(3H)-one
Referemce:
Ester – Wikipedia,
Ester – an overview | ScienceDirect Topics