rocF affects the production of tetramethylpyrazine in fermented soybeans with Bacillus subtilis BJ3-2

BMC Biotechnology

Table 6 Quantitative detection of acetoin and tetramethylpyrazine

Strain	Acetoin content		Tetramethylpyrazine content
Strain	Concentration (mg/g)	AVG ± SD	Concentration (mg/g)	AVG ± SD
BJ3-2	55.793	54.749 ± 0.702	0.418	0.425 ± 0.0046
	53.695		0.432
	54.76		0.425
BJ3-2ΔrocF	55.793	55.884 ± 0.061	0.446	0.4617 ± 0.0104^*
	55.968		0.477
	55.891		0.462
BJ3-2ΔrocF + Arg	81.372	65.631 ± 10.493	0.492	0.504 ± 0.0177^*
	57.571		0.488
	57.953		0.530

ISSN: 1472-6750