Skip to main content

Advertisement

Table 1 Growth, MVOC emissions and mycotoxin production by Stachybotrys chartarum growing on gypsum wallboard

From: Microbial volatile organic compound emissions from Stachybotrys chartarumgrowing on gypsum wallboard and ceiling tile

Stachybotrys chartarumstrain Substratea Incubation period Anisole concentration 3-octanone concentration Mycotoxin concentration CFU log10
(Days) (μg/m3) (μg/m3) (ppb) Mean ± SD
Mean ± SDb(n)c Mean ± SD (n)
ATCC 201210 W Start 0.25 ± 0.05 (2) 3.18 ± 0.88 (2) NDd 6.38 ± 6.44
   7 d 65.92 ± 22.87 (2) 1.36 (1) ND 9.34 ± 8.99
   14 d 14.71 ± 7.27 (2) 1.59 ± 0.58 (2) ND 9.96 ± 9.09
ATCC 62762 W Start 0.12 ± 0.02 (2) 0.20 ± 0.02 (2) 0.2 6.1 ± 5.91
   7 d 50.1 ± 5.35 (2) 1.43 ± 0.24 (2) < 0.2 6.59 ± 6.03
   14 d 12.26 ± 0.78 (2) 1.75 ± 0.11 (2) 0.2 7.31 ± 6.83
   21 d 5.10 ± 0.18 (2) 1.34 ± 0.11 (2) 2.0 6.90 ± 6.56
   28 d 2.52 (1) 0.46 (1) > 18 8.25 ± 7.45
ATCC 34916 W start 0.34 ± 0.12 (2) BDLe < 0.2 TFTC
   7 d 57.85 ± 5.03 (2) 1.83 ± 0.80 (2) > 18 9.45 ± 8.48
   14 d 13.10 ± 0.21 (2) 2.31 ± 0.65 (2) > 18 9.94 ± 9.31
   21 d 6.57 ± 0.08 (2) 2.23 ± 0.56 (2) > 18 10.45 ± 9.95
   28 d 3.75 (1) 0.54 (1) > 18 9.9 ± 9.19
ATCC 208877 W Start 0.62 ± 0.09 (3) 1.44 ± 0.19 (2) < 0.2 5
   7 d 105.19 ± 37.96 (3) 4.37 ± 0.71 (2) 0.2 < x < 2.0 7.99 ± 7.40
   14 d 36.58 ± 10.44 (2) 2.52 ± 0.45 (2) 18 9.55 ± 8.9
   21 d 18.72 (1) 2.45 (1) 2.0 < x < 18 9.49 ± 9.06
ATCC 46994 W Start 0.75 ± 0.05 (2) 0.28 (1) < 0.2 TFTC
   7 d 46.37 ± 6.78 (2) 2.16 ± 0.06 (2) 0.2 8.86 ± 8.83
   14 d 11.60 ± 2.31 (2) 4.16 ± 0.79 (2) 0.2 < x < 2.0 9.78 ± 9.30
   21 d 6.25 ± 0.76 (2) 3.77 ± 0.65 (2) 0.2 < x < 2.0 10.10 ± 9.52
   28 d 4.56 (1) 6.16 (1) 0.2 < x < 2.0 10.47 ± 9.32
RTI 3559 W Start 0.15 ± 0.03 (2) 0.26 ±0.15 (2) 0.2 6.22 ± 5.61
   7 d 48.15 ± 7.39 (2) 0.94 (1) 18 8.96 ± 9.07
   14 d 9.64 (1) 0.13 (1) 18 10.36 ± 9.64
   21 d 4.89 ± 0.64 (2) 0.71 ± 0.04 (2) 18 10.29 ± 9.82
   28 d 3.16 (1) 0.94 (1) > 18 9.27 ± 8.36
RTI 5802 W Start 0.58 ± 0.11 (3) 2.22 ± 1.60 (2) < 0.2 5.22 ± 4.76
   7 d 61.74 ± 12.72 (3) 1.71 ± 0.23 (2) 0.2 8.5 ± 7.53
   14 d 39.32 ± 17.57 (2) 1.40 ± 1.73 (2) 0.2 9.34 ± 8.99
   21 d 17.38 (1) 3.18 (1) 2.0 10.45 ± 9.40
  1. aW, gypsum wallboard; bSD, standard deviation; cn, number of chambers with same strain, tested during same incubation period; dND, not determined; eBDL, below detection limit.