Tob. Reporter, 2001,128-5, p. 56-8, ISSN.0361-5693 The hole story - Cavity filters offer considerable advantages JACCARD P. Baumgartner Papiers SA-Division Fibertec, Lab. and Res. Lausanne, Crissier, Switzerland
Bull. Spec. CORESTA Congress, Guangzhou 1988, p. 169, T-17 The cost effectiveness of automation TOCHEV G. Bulgartabac Laboratory for Automation, Plovdiv, Bulgaria During the past 10 years in the primary department, the type of equipment has been fairly stable, for example tippers, autofeeders, blending silos, silos, wetters, driers and so on. At the same time we can see considerable increase in the levels of...
Bull. Spec. CORESTA Congress, Vienna, 1984, p. 143, PP33, ISSN.0525-6240 Curing regimes for Virginia tobacco with control and automatic regulation of water contents in tobacco GENTCHEV G.; SHEHTOV H. TIC Bulgartabak, Sofia, Bulgaria The development of the technology and equipment for the control of the curing process was so far directed to improving the control and regulation of the curing agent parameters. The present report contains proof of the necessity for improving the...
Bull. Spec. CORESTA Congress, Vienna, 1984, p. 144, PP34, ISSN.0525-6240 Possibilities for evaluation of tobacco by colour indices RIBAROV H.M.; MARKOV S.M. TIC Bulgartabak, Sofia, Bulgaria It is well known that the colour of tobacco is one of the basic indices for determining its quality. In practice, the determination of this index is usually done by experts, the influence of external factors and individual properties being essential....
Tob. Sci., 1972, 16-31, p. 101-103, ISSN.0082-4523 A thin-layer chromatographic method for tobacco lipid analysis WOOLLEN B.H.; IRVINE W.J.; BROWN P.W.; JONES D.H. Carreras Limited , Research Division, Nevendon Rd., Basildon, Essex, England A method is described for the separation by thin-layer chromatography of the major lipids found in the hexane extract of tobacco. The components are separated by stepwise development in three different solvents and visualized by spraying with...
Tob. Sci., 1970, 14-26, p. 91-94, ISSN.0082-4623 A study of anatomical structure and lipid composition of Virginian type tobacco grown in an arid environment BROWN P.W. Carreras Limited, Research Division, England Anatomical studies of flue cured tobacco produced from plants grown in arid environmental conditions have shown that certain types of leaf exhibited a disorganized macrostructure particularly in the palisade mesophyll. On examination of the crop in...
Tob. Sci., 1959, 3-24, p. 103-108, ISSN.0082-4623 Some aspects of polyphenols of tobacco REID W.W. Research Department, Carreras, Ltd., London, England 1. Two of the products of the polyphenolase oxidation of chlorogenic acid occur in flue-cured tobaccos. 2. Chlorogenic acid and rutin may be estimated by chromatography and spectrophotometry or by paper chromatography followed by conversion of the...
Tob. Sci., 1959, 3-25, p. 109-112, ISSN.0082-4623 Incorporation of carbon 14 into tobacco leaves with particular reference to polyphenols. Part I. REID W.W. Research Department, Carreras, Ltd., London, England Detached leaves from tobacco plants have been labeled with 14C precursors. Methods have been studied for separating the water soluble and cell wall constituents using paper chromatography and ion exchange columns. The polyphenols and lipids are best...