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Table 9 Mesophilic bacteria in tobacco leaves (CFU × 103/g) collected from a tobacco manufacturing plant.

From: Identification of bacterial and fungal components in tobacco and tobacco smoke

 

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

15b

75.5a

6.5b

0.5b

680a

111a,b

0.5b

33b

10b

6.5b

30b

9b

Coryneform bacteria

35c,d

0

0

0

0

27e

0

0

0

108d,e

1f

0

Mesophilic actinomycetes

1g

4.5g

0

0

0

0

0

0

0

3.5g,h

5.5g,h

0

Total

381

102.5

8

2

680

155

1

33

11

328

556.5

9

  1. 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.
  2. aBacillus subtilis, bBacillus spp., cArthrobacter ilicis, dCurtobacterium pusillum, eSanguibacter inulinus, fArcanobacterium pyogenes, gStreptomyces albus, hStreptomyces spp.