Tobacco description

Richter, M. Uber die gaschromatographische Bestimmung von Organochlor-Pestizidruckstandem im Tabak Beschreibung einer Analysemethode fiir Serienbestimmungen [Determination of organochlo-rine pesticides in tobacco Description of an analytical method for serial determinations] Ber. Inst. Tabakforsch. (Dresden) 23 (1976) 37 3. 

Leone A, Lopez M. Role du tabac et de la contraception orale dans l infarctus du myocarde de la femme description d un cas. [Role of tobacco and oral contraception in myocardial infarction in the female. Description of a case.] Pathologica 1984 76(1044) 493-8. 

Only recently have N -nitroso Amadori compounds been characterized chemically. The first description of an -nltroso derivative of an Amadori compound reported the formation of 1-deoxy-l-(N -nitroso-3,4-xylidino)-D-f ructose to confirm that a secondary amino group had been formed in an Amadori compound ( 6). Coughlin et al. ( 7) and Heyns et al. ( 8) described the formation of nitrosated Amadori compounds. Since Amadori compounds are weakly basic secondary amines and occur widely in Maillard browned foods and beverages ( 5) and unburned tobacco ( ), the genotoxic potential of these compounds is of interest. 

The final section of this chapter deals with a description of total systems automation in the analysis of tobacco smoke. This is used as an example partly because it is one of the few instances of large-scale laboratory automation of which full details have been published, but more importantly because it provides an example of both the benefits and the pitfalls which can be encountered when all the areas discussed previously are brought together for the solution of a specific problem. Here we give only a brief outline of the significant points a full and detailed discussion of the project can be found in Ref.48). 

In animals, THC crosses the placenta and is excreted in breast milk. There is conflicting evidence concerning teratogenicity in animals, but no definitive evidence in man. However, there have been many anecdotal reports of abnormalities. Although these were without consistent characteristics, the descriptions would readily fit the fetal alcohol syndrome (133-136) and clinical evaluation of the use of cannabis during pregnancy is complicated by the frequent concomitant use of alcohol and tobacco. 

This chapter is a review of nicotine and begins w ith some background information about its source and the ways that nicotine is consumed, followed by a history of tobacco use. We then discuss the prevalence of nicotine use and the mechanisms of its pharmacological action. We also review the acute and chronic effects of nicotine. The chapter concludes w ith a description of professional services available to help individuals stop smoking. 

Synonyms Nicotiana tabacum (cultivated tobacco) Nicotiana rustica Methylpyridylpyrrolidine Description Tobacco products contain dried tobacco leaves, which are used to take advantage of the psychoactive effects of the alkaloid nicotine. Snuff has a pH of 7.8-8.1. Cigarettes are acidic. Chewing tobacco has alkali added and is basic Chemical Formula C10H14N2 (nicotine)... 

A form of substance abuse of increasing interest is the recreational use of inhalants. Taken literally, this classification is useless, as it may be construed to include use of tobacco, crack cocaine, or marijuana (Sharp 1992). A better designation may be "volatile substance" abuse, a more accurate description of an important drug abuse pattern. Volatile substances that are commonly abused include glues, aerosols, anesthetics, cleaning agents, and solvents (Sharp 1992). Abuse of inhalants has been associated with a variety of toxicologies... 

These research programmes involve the housefly, Musca domestica, and the tobacco whitefly, Bemisia tabaci. Both are based in the laboratory in the firm belief that for these and many other pests, much of the data needed for such descriptive modelling can be collected more quickly and with greater precision under laboratory conditions than in the field. There is, however, a very important proviso to this statement, since for laboratory experiments to be of direct practical relevance they must simulate closely both the ecology and control of insects under field conditions (.7). The purpose of this paper is to outline the philosophy and objectives of these two programmes and to highlight some achievements to date. 

At the 55th Tobacco Science Research Conference (TSRC), Purkis et al. (3007) in their description of the rehabUity of measurements of smoke analytes discussed the measurement of 44 Hoffmann analytes. Their TSRC presentation was published in 2003. 

Later, Rustemeier et al. (3370) in their description of the chemistry of MSS from ingredient-treated tobacco cigarettes noted ... 

The investigation of a disease begins with a description of its occurrence in a population. The basic information required is the time (day, month, season or year) of onset of the disease, place (country, city, urban or rural residence) and various personal characteristics such as age, sex, race, ethnic group, educational background, socioeconomic status, occupation, biological characteristics such as biochemical levels and cellular constituents of blood, and personal living habits such as tobacco usage, alcohol consumption and diet. 

An acute lateral-wall myocardial infarction was reported in a 55-year-old woman with a 1-year history of use of a weight loss product containing 300 mg Citrus aurantium (no other description provided) as well as 30 mg caffeine (misidentified as guararanine [sic]) and 30 mg green tea (no other description). The patient also reported a nearly 40-year tobacco-smoking habit (IVl packs per day), high caffeine intake from cola, coffee, and tea, and a preexisting heart murmur (Nykamp et al. 2004). 

One of the queerest facets of pyrotechnics is the use of potassium chlorate with pipe tobacco as a substitute for hashish Canmbis sativa) a drug similar to marijuana. Since the publication of Modern Pyrotechnics, the author had occasion to study the original article, The description of the symptoms experienced by the students and hospital... 

The potential effects of exfrinsic factors such as use of tobacco and alcohol. If these are needed for the product, a description of the analyses planned to evaluate the impact of these factors on safety could be provided. 

This chapter is not intended to include a detailed description of all possible methods of alkaloid analysis in tobacco nor provide a comprehensive review of the literature. Certain methods of historical or practical significance have been highlighted with the most pertinent papers cited for each method. The methods of alkaloid analysis discussed are applicable to all classes of tobacco. 

The final section, AUelocherrUcals as Plant Disease Control Agents, looks at black shank fungus in tobacco, suppression of Fusarium Wilt and other fungi microorganisms, antifungal and antibacterial compounds in Peruvian plants, and the description of a countercurrent chromatographic separation of complex alkaloids in tall fescue. 

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