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Determination of Water-soluble Synthetic Colorants in Cigarette Tipping Paper by High Performance Liquid Chromatography
Received:May 06, 2023  
DOI：10.11980/j.issn.0254-508X.2023.12.013
Key Words:cigarette tipping paper  synthetic colorants  microwave-assisted extraction  high performance liquid chromatography
Fund Project:云南中烟工业有限责任公司2022年度科技项目（2022ZK03）。
Author NameAffiliationPostcode
LI Xiangli Technology Center of China Tobacco Yunnan Industry Co.， Ltd.， Kunming， Yunnan Province， 650231 650231
FAN Duoqing Technology Center of China Tobacco Yunnan Industry Co.， Ltd.， Kunming， Yunnan Province， 650231 650231
LI Chao Technology Center of China Tobacco Yunnan Industry Co.， Ltd.， Kunming， Yunnan Province， 650231 650231
ZHANG Chengming Technology Center of China Tobacco Yunnan Industry Co.， Ltd.， Kunming， Yunnan Province， 650231 650231
WANG Lu Technology Center of China Tobacco Yunnan Industry Co.， Ltd.， Kunming， Yunnan Province， 650231 650231
CHEN Jianhua Technology Center of China Tobacco Yunnan Industry Co.， Ltd.， Kunming， Yunnan Province， 650231 650231
WANG Lan Technology Center of China Tobacco Yunnan Industry Co.， Ltd.， Kunming， Yunnan Province， 650231 650231
GUO Lijuan Technology Center of China Tobacco Yunnan Industry Co.， Ltd.， Kunming， Yunnan Province， 650231 650231
LIU Xiuming* Technology Center of China Tobacco Yunnan Industry Co.， Ltd.， Kunming， Yunnan Province， 650231 650231
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Abstract:In this study， a high performance liquid chromatography-photo-diode array（HPLC-PDA） method was develpoed for the simultaneous determination of 10 colorants in cigarette tipping paper， including Allura Red， Amaranth， Carmosine， Carmine， Erythrosin， Quinoline Yellow， Indigotine， Brilliant Blue， Tartrazine， and Sunset Yellow. Water-soluble synthetic colorants were extracted from 10 kinds of tobacco paper with the aid of microwave with methanol/acetonitrile/water as solvent. The extraction effect of solvent， microwave power， temperature and time was investigated by single factor and orthogonal experiment. The results showed that the best extraction conditions were that volume ratio of methanol/acetonitrile/water=1∶1∶3， microwave power of 300 W， extraction time for 3 min with solid-liquid ratio of 1∶100. The target compounds were well separated within 15 min and could reach baseline separation with a good linear relationship in the concentration range of 0.5~20.0 μg/mL. The correlation coefficient were all greater than 0.999， the recoveries were 92.6%~100.3%， and the relative standard deviation （n = 5） was 0.5%~6.7%. The limit of detection was 0.95~3.21 μg/g and the limit of quantitative was 3.16~10.72 μg/g. This method could quickly analyze the comtent of 10 water-soluble synthetic colorants in cigarette tipping paper at the same time， and provide technical support for the safety evaluation of cigarette exploding.
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