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Table 2 The final yield of TTMP and HB of endophytic B. subtilis

From: High tetramethylpyrazine production by the endophytic bacterial Bacillus subtilis isolated from the traditional medicinal plant Ligusticum chuanxiong Hort.

  LB3 LB3-2-1 LB6-2 LB4 LB5
TMP (g/L) 9.536 8.505 8.181 10.24 10.69
HB (g/L) 36.70 30.26 44.46 43.16 51.31
  1. Data were obtained after 144 h fermentation by GC analysis, the conditions of fermentation and GC analysis were shown in the text