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Table 3 Effects of different raw materials on the spore yields of B. amyloliquefaciens BS-20 detected by the fluorometric assay

From: Rapid optimization of spore production from Bacillus amyloliquefaciens in submerged cultures based on dipicolinic acid fluorimetry assay

Concentration (g/L) Fluorescence intensity (AU)
Corn meal Soybean meal Wheat bran Molasses
0 304.5 ± 19.1a 304.5 ± 19.1a 304.5 ± 19.1 304.5 ± 19.1
5 392.0 ± 35.4b 395.0 ± 29.7b 305.0 ± 15.6 316.0 ± 12.7
10 525.0 ± 41.0c 505.0 ± 17.0c 325.0 ± 19.8 308.0 ± 15.6
15 483.0 ± 25.5c 468.0 ± 25.5c 309.0 ± 18.4 298.0 ± 8.5
  1. Mean values in the same column with different letters (a, b, c) are significantly different (P < 0.05). The final results are expressed as the mean ± standard deviation (n = 3) of 1000-fold diluted spore samples