Table 9

Mesophilic bacteria in tobacco leaves (CFU × 10³/g) collected from a tobacco manufacturing plant.

V-1

V-2

V-3

B-1

B-2

B-3

K-1

K-2

K-3

SM-1

SM-2

SM-3

Gram-negative bacteria

325

20

0

0

0

17

0

0

0

200

510

0

Gram-positive cocci

5

2.5

1.5

1.5

0

0

0.5

0

1

10

10

0

Endospore-forming bacilli

15^b

75.5^a

6.5^b

0.5^b

680^a

111^a,b

0.5^b

33^b

10^b

6.5^b

30^b

9^b

Coryneform bacteria

35^c,d

0

0

0

0

27^e

0

0

0

108^d,e

1^f

0

Mesophilic actinomycetes

1^g

4.5^g

0

0

0

0

0

0

0

3.5^g,h

5.5^g,h

0

Total

381

102.5

8

2

680

155

1

33

11

328

556.5

9

V = Virginia; B = Burley; K = Kentucky; SM = Skroniowski Mocny; 1 = air-dried leaves; 2 = leaves after curing; 3 = leaves after curing and storage > 1 year.

^aBacillus subtilis, ^bBacillus spp., ^cArthrobacter ilicis, ^dCurtobacterium pusillum, ^eSanguibacter inulinus, ^fArcanobacterium pyogenes, ^gStreptomyces albus, ^hStreptomyces spp.

Larsson et al. Tobacco Induced Diseases 2008 4:4   doi:10.1186/1617-9625-4-4