Suresh Ralapati, batf/National Laboratory Center


:430-3. 16 Cundiff RH, Markunas PC. Determination of nicotine nornicotine and total alkaloids in tobacco. Anal Chem 1955; 27


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22:430-3.

16 Cundiff RH, Markunas PC. Determination of nicotine nornicotine and total alkaloids in tobacco. Anal Chem 1955; 27:1650-3.


17 Griffith RB. The rapid determination of total alkaloids by steam distillation. Tob Sci 1957; 1:130-7.


18 Sadler WW, Chesson RR, Schoenbaum AW. Automated procedure for determining the nicotine content of steam distillates. Tob Sci 1960; 4:208-12.


19 Harvey W R, Badgett CE, Resnik F E. Nicotine alkaloids in tobacco leaf, cigarette filler, and particulate matter of smoke by acid-methanol extraction. Tob Sci 1967; 11:84-6.


20 Collins P F, Sarji N M, Williams J F. Determination of nicotine alkaloids in tobacco using the Autoanalyzer. Tob Sci 1969; 13:79-81.


21 Lyerly L A, Greene G H. Determination of nicotine in low-nicotine tobacco. Beitr Tabakforsch 1976; 8(6):359-61.


22 McClure W F, Hamid A, Weeks W W, Whitaker, TB. Design and development of a computerized spectrophotometric instrument for measuring the chemical composition of tobacco. Tobacco Chem Res Conf (TCRC) 31st; 1977; Greensboro (NC).


23 Sisson VA, Saunders JA. Qualitative and quantitative alkaloid screening of the USDA tobacco introduction by high performance liquid chromatography. Tobacco Chem Res Conf (TCRC) 33rd; 1979; Lexington (KY).


24 Severson R F, McDuffie K L, Arrendale R F, Gwynn G R, Chaplin J F, Johnson A W. Rapid method for the analysis of tobacco nicotine alkaloids. J Chromatogr 1981; 21(1):111-21.


25 Blume DE. Radioimmunoassay (RIA) for measuring low levels of nicotine in tobacco root suspension cultures and tobacco tissues. Tobacco Chem Res Conf (TCRC) 38th; 1984; Atlanta (GA).


26 Ralapati S. Capillary electrophoresis as an anlaytical tool for monitoring nicotine in ATF regulated tobacco products. J Chromatogr B 1997; 695(1):117-29.


27 Snyder L, Levine J, Stoy R. Conetta A. Anal Chem 1976; 48(12):942A-956A.


28 Harvey WR, Stahr HM, Smith WC. Automated determination of reducing sugars and nicotine alkaloids on the same extract of tobacco leaf. Tob Sci 1969; 13:13-5.


29 Charles JL, Stahr HM, Ikeda RM. Automated determination of nicotine in total particulate matter of cigarette smoke. Tob Sci 1969; 13:54-8.


30 Harvey WR, Palmer AM. Field test estimation of reducing sugars and nicotine alkaloids in tobacco leaf. Tobacco Chem Res Conf (TCRC) 24th; 1970; Montreal, CAN.


31 Derrick JC, Wilson WL, Hussey TA. The routine estimation of nicotine alkaloids and total sugars in flue-cured tobacco using dual channel autoanalyzers and electronic data handling systems. Tobacco Chem Res Conf (TCRC) 24th; 1970; Montreal, CAN.


32 Davis RE. A combined automated procedure for the determination of reducing sugars and nicotine alkaloids in tobacco products using a new reducing sugar method. Tob Sci 1976; 20:139-44.


33 Harvey WR, Handy BM. On-line generation of cyanogen chloride as a replacement for cyanogen bromide in the total alkaloids determination. Tob Sci 1981; 20:131-3.


34 CORESTA (Co-operation Centre for Scientific Research relative to Tobacco Association) Standard Method No. 35: Determination of total alkaloids (as nicotine) in tobacco by continuous flow analysis. Final Approval, November 1994. CORESTA Inf. Bull. 1994 (3-4): 39-46.


35 Bowman DT. History of the regional minimum standards program for the release of flue-cured tobacco varieties in the United States. Tob Sci 1996; 40:99-110.


36 Gordon B M, Greene G H. Determination of nicotine nornicotine and other secondary amine alkaloids in tobacco. Tobacco Chem Res Conf (TCRC) 35th ; 1981; Winston-Salem (NC).


37 Cundiff RH, Markunas PC. Modification of the extraction procedure for the determination of alkaloids in tobacco. J Assoc Off Agr Chem 1960; 43(3):519-24.


38 Leffingwell JC, Young HJ, Bernasek E. Tobacco flavoring for smoking products. Winston-Salem,NC: RJ Reynolds Tobacco Co., 1972.


39 Tso TC. Interrelated factors among plant production, leaf usability and smoke characteristics. In: Tso TC. Production, physiology, and biochemistry of tobacco plant. Beltsville, MD: IDEALS, Inc.,1990:3-134.


40 Voges E, editor. Tobacco encyclopedia. Mainz, Germany: Tobacco Journal International, 1984.


41 Bacon CW, Wenger R, Bullock JF. Chemical changes in tobacco during flue-curing. Ind Eng Chem 1952; 44(2):292-6.


42 Browne CL. The design of cigarettes. 3rd rev ed. Charlotte, NC, Hoechst Celanese Corp.,1990.


43 Frankenburg WG, Gottscho AM. Nitrogen compounds in fermented cigar leaves. Ind Eng Chem 1952;


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