Transfer rates of cooling agents in electrically heated cigarettes and combustible cigarettes

WANG Ziyan1,2 HAN Jingmei1 YUAN Dalin1 ZHENG Xudong1 LEI Ping1 LI Zhiqiang1 REN Dabing2 YI Lunzhao2 TANG Jianguo1

(1.Technology Center of China Tobacco Yunnan Industrial Co., Ltd., Kunming, China 650231)
(2.Faculty of Agriculture and Food, Kunming University of Science and Technology, Kunming, China 650500)

【Abstract】In order to compare the transfer rates of cooling agents between electrically heated cigarettes and conventional combustible cigarettes, we adopted the gas chromatography-mass spectrometry (GC-MS) method to determine the content of nine cooling agents (L-menthone, isomenthone, isopregol, DL-menthol, menthyl acetate, menthyl lactate, WS-3, WS-5, and WS-23) in cut tobacco/reconstituted tobacco and mainstream smoke of nine electrically heated cigarette samples and nine conventional cigarette samples, and the transfer rates of seven cooling agents were calculated. The results are as follows. ① This method had high precision and recovery, which can be used for determining the content of nine cooling agents in tobacco materials and their transfer in cigarette smoke. ② For the conventional combustible cigarettes, the content of cooling agents was 0.07–8.81 mg/g and the transfer rates were 3.80%–49.12%. For the electrically heated cigarettes, the content of cooling agents was 0.14–14.37 mg/g and the transfer rates were 4.68%–42.53%. ③ For the traditional cigarettes, the transfer rates of cooling agents had no significant relationship with the release of cooling agents in total particulate matter (TPM) of mainstream smoke. However, for the electrically heated cigarettes, the transfer rates increased with the decrease of cooling agent addition rate. ④ In the TPM of mainstream smoke of all the samples, the release of DL-menthol ranged from 0.11 to 1.28 mg/cigarette and the transfer rates were 5.68%–49.12%; the releases of the other six cooling agents were in the range of 0.01–0.19 mg/cigarette and the transfer rates were 3.80%– 41.67%. In general, the transfer rates of menthyl acetate, L-menthone, and isopregol were higher than those of menthyl lactate, WS-3, and WS-23.

【Keywords】 Electrically heated cigarette; Combustible cigarette; Menthol; Cooling agent; Transfer rate;

【DOI】

【Funds】 Project of China Tobacco Yunnan Industrial Co., Ltd. (2018XY02)

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(Translated by MENG X)

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This Article

ISSN:1002-0861

CN:41-1137/TS

Vol 53, No. 10, Pages 46-55

October 2020

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Article Outline

Abstract

  • 1 Materials and methods
  • 2 Results and discussion
  • 3 Conclusions
  • References