TSRC, Tob. Sci. Res. Conf., 2022, 75, abstr. 00 (Symposium) Changes in the tobacco industry: 75 years of TSRC WILLIAMSON F. Global Laboratory Services, Wilson, NC, USA Abstract not available....
TSRC, Tob. Sci. Res. Conf., 2019, 73, abstr. 058 USP elemental impurities: limit test for metals in nicotine by ICP-MS LOTFI H.; ARROYO M. Global Laboratory Services, Wilson, NC, USA Nicotine included in e-cigarette formulations usually originates as a 90%+ solution, which is purified further prior to use. While the FDA oversees the tobacco industry, there is currently little regulation regarding the quality of raw materials or...
TSRC, Tob. Sci. Res. Conf., 2018, 72, abstr. 109 An improved method for the determination of sodium propionate in tobacco products WILLIAMSON F.; BAILEY J. Global Laboratory Services, Wilson, NC, USA Sodium propionate is a preservative with fungicidal properties that is often added to tobacco, primarily smokeless tobacco products, to prolong shelf life. Several regulatory agencies, including Health Canada and ANVISA, require the testing of sodium...
CORESTA Meeting, Agronomy/Phytopathology, 2015, Izmir, Turkey, AP 32 CPA residue levels in consecutive C48 cases of Oriental tobacco WESTBERG H.; SPENCER A. Global Laboratory Services, Wilson, NC, U.S.A. Crop protection agents (CPA) can be applied to tobacco at various stages of the production cycle and if CPA residues are present in the product, they can be topic of concern. After tobacco is processed it is normally packed into cases or bales for...
TSRC, Tob. Sci. Res. Conf., 2015, 69, abstr. 48 Method development and validation of selected metals in e-liquid samples BROWN J. Global Laboratory Services, Inc., Wilson, NC USA Over the past several years, the use of electronic cigarettes and devices has increased. Analysis of Harmful and Potentially Harmful Constituents is at a forefront in both the conventional and electronic cigarette industries. The analysis of various...
TSRC, Tob. Sci. Res. Conf., 2013, 67, abstr. 08 Comparison of auto analyzer methods: discrete vs continuous flow. THURSTON D. Global Laboratory Services, Inc., Wilson, NC, USA Chloride, Sugar, Alkaloids, and Nitrate results were compared using a discrete analyzer and a continuous flow auto analyzer. The new generation discrete analyzers are more automated than the continuous flow auto analyzers. In our initial assessment,...
TSRC, Tob. Sci. Res. Conf., 2009, 63, abstr. 10 TSNA method comparison using UHPLC-MS/MS MATHIS J.A.; PO YING YEUNG Global Laboratory Services, Wilson, NC, USA. Method development and optimization was performed for the quantification of tobacco specific nitrosoamines (TSNAs) in tobacco leaf. The objective was to shorten run time and compare the new method to the previous method. The evaluation of method...
Tobacco Science & Technology, 2009, 5, p. 57-9, ISSN.1002-0861 Studies on producing iris spice from fresh rhizome of Iris Pallida by fungi fermentation GUO SHI-PING; ZENG SHU-HUA; ZHANG LING-QI Tobacco Leaf Dept. of Sichuan Province Tobacco Company, Chengdu, China. 25 strains of fungus were isolated from the slice of dry aged iris rhizomes. The fungi were cultured by solid-state fermentation, and the fermentive extraction was analyzed by GC/MS. The results showed that one of the strains, YW-29, has the ability...
CORESTA Meeting, Agronomy/Phytopathology, Krakow, 2007, AP 10 A genetic linkage map of the flue-cured tobacco (Nicotiana tabacum L.) and QTL analysis of several agronomic traits using a doubled haploid population XIAO Bingguang; LU Xiuping; BAI Yongfu; LI Yongping; SUN Yuhe; GUO Zhaokui; ZHU Jun China Tobacco Breeding (Southern) Center, Yunnan Institute of Tobacco Science, Yuxi, China For constructing a genetic linkage map and genetically dissect quantitative trait loci (QTLs) for agronomic traits, an F1-derived doubled haploid (DH) population of 137 lines was developed from a cross between the flue-cured tobacco cultivars Speight...
Bull. Spec. CORESTA Congress, Brighton, 1998, p. 170, ST22 Studies on chemistry and mutagenicity of cigarette smoke condensate from cigarettes containing the natural plant extract AML-1 added to the tobacco YAO J.-H.; CAI R.; CHEN H.-M.; NI C.-M. Yunnan Institute of Tobacco Industry, Kunming, China Previous research has concluded that cigarette smoke condensate (CSC) is mutagenic. At present, medical authorities believe that reduction in tar content of cigarette smoke is the most important method for improving the safety of cigarettes. However,...