Not AvailableIn order to generate information on a broad
spectrum of leaf chemical constituents and smoke
constituents in HDBRG tobacco, leaf samples were
collected during 2009-10 and 2010-11 seasons from
bulk crop grown at CTRI Research Station, Guntur,
Andhra Pradesh for analysis. Carbonyls ranged from
590.8 to 770.5 mg/100 g with an overall mean of
678.3 mg/100 g. The mean carotenoid content was
in the range of 0.55 to 0.68 mg/g. The levels of
chlorogenic acid (5.66 mg/g) and rutin (6.01 mg/g)
were on a par and the total polyphenol content was
~1.2%. Total volatile bases (TVB) content was higher
(1.05%) and comparatively total volatile acids (TVA)
content was lower (0.68%). Malic acid (2.75%) was
the important non-volatile acid followed by oxalic
(2.30%) and citric (1.87%) acids. Among the volatile
acids, isovaleric acid (47.66%) and β-methyl valeric
acid (24.92%) were the major acids. Palmitic,
linolenic and linoleic acids accounted for 81% of
the fatty acid fraction. The proportion of saturated
and unsaturated fatty acids was 55 and 45%,
respectively. In the smoke, tar, nicotine and carbon
monoxide values were 19.42, 3.05 and 15.02 mg/
cig, respectively. Higher carbonyl content compared
to other non-FCV tobacco types, higher proportion
of isovaleric acid and β-methyl valeric acid and lower
citric acid level in the non-volatile acid fraction can
be considered as the positive attributes of HDBRG
tobacco smoking quality.Not Availabl
